what is ideal insulator. what are its parameter. Is poecelain insulator comes under this category.

3 Answers  

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In case of legging current of 20°, pf is .94 and leading of 20°,pf is .94 , in mathematicaly both are same but in realy how it is differ ?

3 Answers  

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what is meant by impedance & transient protection?

0 Answers  

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200-100/1-1A – Transformer Knee point voltage

1 Answers   AAPT,

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1.generator rated as 1000 mva,11kv .8 pf what will 0.8 pf will indicate? 1.max pf it can supply 2.min pf it can supply like this 4 options there what is answer.explain

5 Answers   Power Grid,

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dielectric strength of vacuum is greater than SF6 but for 132Kv uses sf6 breaker & for 33kV uses vaccum breaker why such a contradiction?

2 Answers   MSETCL Maharashtra State Electricity Transmission Co Ltd,

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Name the different control schemes of electric rive.

1 Answers   DVC,

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Which type of air compressor is used now a days in the market. Keeping in mind of energy efficiency and maintenance points. Relevant documents may also be sent on mentioned email ids.

0 Answers   DAE,

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define IDMT relay?

15 Answers   APGenco, Bhel, L&T, Shriram Finance,

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Is it mandatory statutory requirement of transformer oil filtration annualy despite oil is withstanding required dieelectrical strenth and all others parameters

5 Answers  

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When i went to a interview the interviewer ask me a question for that i cant able to answer him if anyone knows answer me How will you design a capacitor bank for a plant? if my p.f is 0.6 i have to improve it to 0.9 or 1 what kind of steps i have to do? and is there any formula for calculating this?

2 Answers  

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What is Lockout Relay and what is use of it in electrical installation

1 Answers  

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