which bridge is used to measure frequency?

2 Answers  

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why earth fault current is always less than the o/c

2 Answers  

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what happens if DG N earthing fails while running and N Earthing fails while Transformer on load ???what will be the impact ???????/

2 Answers  

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What is the distance b/w R&Y phase in 33kv T.line,11kv &440v

1 Answers   NTPC,

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I want to know if it is possible to use Variable Frequency Drive to reduce the current required for starting a motor?

3 Answers   Descon,

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why burdens of VTs is more than CTs?

0 Answers  

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how much battery need for 2kv online ups for 2hr backup

3 Answers   Eaton, Emerson,

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Q-1 what are the structural and operational difference between a distribution and a power transformer? Q-2 what is skew in motors? Q-3 draw equivalent circuit of transformer Q-4 explain with phasors how pf is improved with loading in induction motors Q-5 DIFFERENT METHODS OF CABLE LAYING(interviewer asked if i heard new chemical based earthing system next) Q-6 pi model of medium length trans line Q-7 v/f control?why Q-8 vacuum circuit breaker operates in?

1 Answers   Vijai Electricals,

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Why we use mho Relay in long transmission line?

0 Answers  

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If we impress a dc voltage of 230 V on an unloaded 230 V, 50 Hz transformer it wi A give high secondary voltage B burn out C give secondary voltage as per K D none of these

1 Answers  

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What is your acheivements

0 Answers  

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How many percent of power are not being registered if we bypass one side of the meter base terminal using #8 cu wire on 1-phase kwhr meter. 

1 Answers  

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