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WWW - Manaresults.Co - In: Electrical Distribution Systems

This document contains questions for an Electrical Distribution Systems exam. It includes 8 questions covering topics like: 1. The components of distribution planning systems and load classification. 2. The differences between low voltage and high voltage distribution systems and how circuit parameters are used for analysis. 3. Deriving expressions for voltage drop and power loss in distribution lines and calculating total voltage drop. It provides guidance on fault calculation procedures, circuit enclosure operation, insulation coordination, fuse classification, capacitor types, voltage control equipment, distribution feeder types, and the relationship between load factor and loss factor.

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39 views1 page

WWW - Manaresults.Co - In: Electrical Distribution Systems

This document contains questions for an Electrical Distribution Systems exam. It includes 8 questions covering topics like: 1. The components of distribution planning systems and load classification. 2. The differences between low voltage and high voltage distribution systems and how circuit parameters are used for analysis. 3. Deriving expressions for voltage drop and power loss in distribution lines and calculating total voltage drop. It provides guidance on fault calculation procedures, circuit enclosure operation, insulation coordination, fuse classification, capacitor types, voltage control equipment, distribution feeder types, and the relationship between load factor and loss factor.

Uploaded by

mocharla sandeep
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Code No: H4307/R13

M. Tech. II Semester Regular/ Supplementary Examinations, July-2016


ELECTRICAL DISTRIBUTION SYSTEMS
(Common to PE, P & ID, PE & ED, PE & D and EM &D)
Time: 3 Hours Max. Marks: 60
Answer any FIVE Questions
All Questions Carry Equal Marks
1. a Explain about each block in distribution planning system. 6
b Explain how the electrical loads are classified. 6

2. a Bring out the differences between LVDS and HVDS systems 6


b Explain how the general circuit parameters are useful in analyzing distribution 6
networks
3. a Derive the expression for voltage drop and power loss in 3 phase primary lines. 6
b A single phase 50 Hz ac distributor AB 300m long is fed from one end and is loaded as 6
under:
1. 100A at 0.707 pf lag 200m fed from one end A
2. 200A at 0.8 pf lag 300m fed from one end A
The total resistance and reactance of the distributor is 0.2 ohms and 0.1 ohm per
kilometer. Calculate the total voltage drop in the distributor AB.
4. a Explain the procedure for fault calculation of the most common fault. 6
b Discuss about operation of circuit enclosures. 6

5. a Explain the procedure for insulation coordination between enclosure and circuit breaker. 6
b Explain the classification of fuses. 6

6. a Discuss about different types of capacitors. 6


b Explain the differences between fixed and switched type capacitors. 6

7. a What are the various types of voltage control equipment used in distribution system? 6
b How does the capacitor location influence economy? 6

8. a Write short notes on types of distribution feeders. 6


b Write short notes on relationship between the load factor and loss factor. 6

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