What is basic impulse insulation level? And how it is calculated for sub- station?

2 Answers  

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Greeting to all members, How to calculate spill current when we have different ratio CT and Class for REF(Low Imp) I have 500/1A 5P20 @line side n 400/1A CL.X @ Neutral.

0 Answers   DEWA,

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what is meant by crawling??

10 Answers  

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Difference between field rheostat and armature rheostat.

0 Answers  

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What is the range of the stator resistance of 3 phase induction motor?

1 Answers  

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What Is Connection APFC Panel In Compony.

0 Answers  

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what is the surge arrestor?how it operates?what is the range for it?

4 Answers  

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What current position are you holding in your current company?

0 Answers  

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what is meant by poly phase induction motor ? how its operating by single phase or three phase?

0 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?

6 Answers   APNPDCL,

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what is the procedure for three phase motor differential relay testing can it do with single phase test kit?

1 Answers   ABB,

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what is potentiometer & rheostat

3 Answers  

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