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Reliability Selectivity Fastness of Operation Discrimination Protection Zones

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Sonu Kumar Bairwa
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41 views1 page

Reliability Selectivity Fastness of Operation Discrimination Protection Zones

Uploaded by

Sonu Kumar Bairwa
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as DOCX, PDF, TXT or read online on Scribd
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The principles of power system protection include:

 Reliability: The protective system should be reliable.


 Selectivity: The protective system should be selective.
 Fastness of operation: The protective system should operate quickly.
 Discrimination: The protective system should be able to discriminate.
 Protection zones: The power system should have defined protection zones
for different equipment, such as generators, transformers, buses, and
transmission lines.
 Overlapping zones: Adjacent protection zones should overlap to provide full
coverage and avoid blind spots.
 Backup protection: If primary protection fails, backup protection should take
over.
 Fault detection: The system should detect problems in power system
components.
 Fault isolation: The system should isolate faulty equipment.
Some key elements of a protection system include:

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