0% found this document useful (0 votes)
178 views28 pages

(Reaffirmed 2016) : IS 2026 (Part 1) : 2011

This document provides an overview of the Indian Standard IS 2026 (Part 1) (Second Revision) for power transformers. Some key points: - The standard was first published in 1964 and covers naturally cooled oil-immersed transformers. It has since been amended several times. - Requirements for power transformers are covered in eight parts, including temperature rise limits, insulation levels, terminal markings and connections, and ability to withstand short circuits. - Tests are conducted according to Indian Environment and tests standards. The temperature of ambient air and cooling oil is as per Indian conditions.

Uploaded by

DIBYENDU DAS
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
0% found this document useful (0 votes)
178 views28 pages

(Reaffirmed 2016) : IS 2026 (Part 1) : 2011

This document provides an overview of the Indian Standard IS 2026 (Part 1) (Second Revision) for power transformers. Some key points: - The standard was first published in 1964 and covers naturally cooled oil-immersed transformers. It has since been amended several times. - Requirements for power transformers are covered in eight parts, including temperature rise limits, insulation levels, terminal markings and connections, and ability to withstand short circuits. - Tests are conducted according to Indian Environment and tests standards. The temperature of ambient air and cooling oil is as per Indian conditions.

Uploaded by

DIBYENDU DAS
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
You are on page 1/ 28

Free Standard provided by BIS via BSB Edge Private Limited to Helix Energy -

Kalyani(dibyendu.das@helixenergy.co.in) 103.249.39.70 [for non-commercial use only].


IS 2026 (Part 1) : 2011
(Reaffirmed 2016) 

  

 (Reaffirmed 2015) 

 
 
(Reaffirmed 2014) 
 
 

(Reaffirmed 2013) 

 

(Reaffirmed 2012) 

 

(Reaffirmed 2011) 

  (Reaffirmed 2010) 

(Reaffirmed 2009) 

(Reaffirmed 2008) 

(Reaffirmed 2007) 

(Reaffirmed 2006) 

(Reaffirmed 2005) 

 
   
         


   


Free Standard provided by BIS via BSB Edge Private Limited to Helix Energy -
Kalyani(dibyendu.das@helixenergy.co.in) 103.249.39.70 [for non-commercial use only].










                    

                 




 
 
 
 
 
 
 

 
 
  
  
  
  
 

 
 
 
 

 
 
 
 
 

   


Free Standard provided by BIS via BSB Edge Private Limited to Helix Energy -
Kalyani(dibyendu.das@helixenergy.co.in) 103.249.39.70 [for non-commercial use only].








 
       
     
 
 
  
      
 

     
  
   
              
       
  
        
      
 

         
      
          
 
 

          
 
     

        
   
        
 
          
  
           
 
       
 
      
 
        
       
 
      
 

       


Free Standard provided by BIS via BSB Edge Private Limited to Helix Energy -
Kalyani(dibyendu.das@helixenergy.co.in) 103.249.39.70 [for non-commercial use only].


        


 
 

 
  
             
             
  
   
  
       

          
 
      
  

       
 

   


 
 

      
 

        
 
 
 
           
          
   
     
   

             
 
         
           
        


                


       
 
 
        

 
        
          
       
 






Free Standard provided by BIS via BSB Edge Private Limited to Helix Energy -
Kalyani(dibyendu.das@helixenergy.co.in) 103.249.39.70 [for non-commercial use only].


         


    
 
    
 
     
        
 

          
          

 

       
 



        
 
 
 






   

       


 
   
         
 
   

   


  
 
 

         
             
       


         
   


                  


        
        
 
 


       
 

         

         
     



           
    
       


Free Standard provided by BIS via BSB Edge Private Limited to Helix Energy -
Kalyani(dibyendu.das@helixenergy.co.in) 103.249.39.70 [for non-commercial use only].


    



  
           
        
            
 
          


 
        
 

    
          
  
 
        
        
 
         
             


           
                         
              
 

  
      

  
 
      
         


                    
       
 
      
 
         
 
         
       
 
 

  



 

 
      
  
  
 
          

         
 


Free Standard provided by BIS via BSB Edge Private Limited to Helix Energy -
Kalyani(dibyendu.das@helixenergy.co.in) 103.249.39.70 [for non-commercial use only].


 
   
     
         


 
  
             
 
            

 


 
 
 

 
   

  
                  
  
   
       
       
        
 
 
 

     
                 
     
       

      



     
 







        


 


 
           
           

       
       
            
       
     
 


 
       
 
 



Free Standard provided by BIS via BSB Edge Private Limited to Helix Energy -
Kalyani(dibyendu.das@helixenergy.co.in) 103.249.39.70 [for non-commercial use only].


                
        
        
        
 
        
         
       
 
      
     
      

 




          

        
         


 
      
 

 
 
             
        
 


         
                
 
       
 
 
      
 
        
        

 

     
           



                
         

     
         


 
      

 
 

 


 


Free Standard provided by BIS via BSB Edge Private Limited to Helix Energy -
Kalyani(dibyendu.das@helixenergy.co.in) 103.249.39.70 [for non-commercial use only].


 
 
       


         
       
 
 
 
  
 

    



 

  

 
  


           
       
 
  

 

      
            
              
       
  

     




       
     
 
      

        
 

    
  
   
 
 
    
              
 

 
        
 
 
        

         
 


Free Standard provided by BIS via BSB Edge Private Limited to Helix Energy -
Kalyani(dibyendu.das@helixenergy.co.in) 103.249.39.70 [for non-commercial use only].


   


 
        
      
  

     
      
     

       
   

      
        
        


 
 

  


Free Standard provided by BIS via BSB Edge Private Limited to Helix Energy -
Kalyani(dibyendu.das@helixenergy.co.in) 103.249.39.70 [for non-commercial use only].




  

                
        
 
       
  
        
       
        
       
       
        
       
              
        
     
 
        
               
     
          
     
       
 
       
           
 

Free Standard provided by BIS via BSB Edge Private Limited to Helix Energy -
Kalyani(dibyendu.das@helixenergy.co.in) 103.249.39.70 [for non-commercial use only].


         
        

      
  
 

                  
       
            


 
         
 
 
 
 
  
       
      
        
      
       
 
 
        
 
       
 
    
         
 
              
       
      
   
 
 
       
      
 
        
 
 
 
                   
 
 
 
          
  

        
   


        



Free Standard provided by BIS via BSB Edge Private Limited to Helix Energy -
Kalyani(dibyendu.das@helixenergy.co.in) 103.249.39.70 [for non-commercial use only].


       


        
 

 

       
         
  
       
 

 
        
        
 

 

             
              
       
 
       
               
        
        
 
 

        
  

   


Free Standard provided by BIS via BSB Edge Private Limited to Helix Energy -
Kalyani(dibyendu.das@helixenergy.co.in) 103.249.39.70 [for non-commercial use only].


 


       



  
 

 
  
   
   
     
       
    
      
  
       

    
  
      
 

        
  
      
         

     
 





          
       
 
        
 
 

   
       
 
       
     
      
      
  
  
       
      
     
 
   
        
  
  
 
       


Free Standard provided by BIS via BSB Edge Private Limited to Helix Energy -
Kalyani(dibyendu.das@helixenergy.co.in) 103.249.39.70 [for non-commercial use only].


           


       
    
 
 
  
 
      
        
       
       
    
      
 

 
      
        


    


  

      
 



 
 
    
  
 
      
       

 

      
     
        

     
      
 
 
         
 

 
      
       




     
       
      




 
        


Free Standard provided by BIS via BSB Edge Private Limited to Helix Energy -
Kalyani(dibyendu.das@helixenergy.co.in) 103.249.39.70 [for non-commercial use only].




  

  
    
  

   
  
  
                   

   
  
 

 

    



    



  
 
 

   
   
    
  



  



              



               
          
  
         
             
 
 
 

 
       
       

       
       



Free Standard provided by BIS via BSB Edge Private Limited to Helix Energy -
Kalyani(dibyendu.das@helixenergy.co.in) 103.249.39.70 [for non-commercial use only].


 

    
  
      
 

 
 
       
  
         

     




         
 

 
          
 

 
          
 
 
     



           
 
      
  
   
  
       
  
 
 
      
       
     
        
      
         
 
 
        
 
         
       

 
 
               
 
 


Free Standard provided by BIS via BSB Edge Private Limited to Helix Energy -
Kalyani(dibyendu.das@helixenergy.co.in) 103.249.39.70 [for non-commercial use only].


  



        

       


         
        

 
     
       
      
 


 
 
       
 


              
  
 
      
        

  
  
 


           
         
         
       
 
         
 

 
       
         
  
       
           

          
              
         
        
                 
 
         
          




    
                  
        
       
      


        
 
       


Free Standard provided by BIS via BSB Edge Private Limited to Helix Energy -
Kalyani(dibyendu.das@helixenergy.co.in) 103.249.39.70 [for non-commercial use only].


        


        
    

        
 



        
 
          
           
       
 
 
       
       
 
 


      

     
        
       
 
 
    
      
       

 
 
 
 

  



       
 
 
 
        
        
         
 
 


Free Standard provided by BIS via BSB Edge Private Limited to Helix Energy -
Kalyani(dibyendu.das@helixenergy.co.in) 103.249.39.70 [for non-commercial use only].






   


   
  
        
  
      
     
     
  
     
 





  
 

 
      
  
      
       
            
 
       

 
   
            
       
       
 
   
  
   
      
      
         
      
     
        
  


Free Standard provided by BIS via BSB Edge Private Limited to Helix Energy -
Kalyani(dibyendu.das@helixenergy.co.in) 103.249.39.70 [for non-commercial use only].


      


       
      
     
          
            
       
 
  
      
 
 
   
 
      
  
 
        
     
           
            
      
  
  

 
              
        
 

 
       
  
  
       
            
      
 
       
 
       
 


      

       
      
  
      


Free Standard provided by BIS via BSB Edge Private Limited to Helix Energy -
Kalyani(dibyendu.das@helixenergy.co.in) 103.249.39.70 [for non-commercial use only].






 
 
       
       
  
        
 
         
     
          
   
 
  
  


 
  



     
     
       
       


       
 
       
 
        
      
 
         
   
  
   
         
 
 
  
   
          
 
 
 

   



Free Standard provided by BIS via BSB Edge Private Limited to Helix Energy -
Kalyani(dibyendu.das@helixenergy.co.in) 103.249.39.70 [for non-commercial use only].






           
       
       


      
       

        


Free Standard provided by BIS via BSB Edge Private Limited to Helix Energy -
Kalyani(dibyendu.das@helixenergy.co.in) 103.249.39.70 [for non-commercial use only].












Free Standard provided by BIS via BSB Edge Private Limited to Helix Energy -
Kalyani(dibyendu.das@helixenergy.co.in) 103.249.39.70 [for non-commercial use only].






 


Free Standard provided by BIS via BSB Edge Private Limited to Helix Energy -
Kalyani(dibyendu.das@helixenergy.co.in) 103.249.39.70 [for non-commercial use only].


     




          


 


Free Standard provided by BIS via BSB Edge Private Limited to Helix Energy -
Kalyani(dibyendu.das@helixenergy.co.in) 103.249.39.70 [for non-commercial use only].






  



  

  
      
  

        
      

  
   
   
    
      
      
      


      

       
  
   
            
 
            
   
 

   
       
     

    
       

   
   


Free Standard provided by BIS via BSB Edge Private Limited to Helix Energy -
Kalyani(dibyendu.das@helixenergy.co.in) 103.249.39.70 [for non-commercial use only].



               
            




                  
                  
              








 





  




    

 
   
 
   
 
   

   

   
 
 
      
     



You might also like