Answer / siddu r

earthing problem.
so we connect earthing for body

Answer / interview023

There will be some problem in connection of rccb because rccb is trip when you got shock from any apperatus

Answer / harishdarade563

Minimum magnitude of current to feel shock is just 1mA(in case of AC).
when you are not earthing equipment properly you will get shock.

There are different classes of protections in power plants.class a,b,c are clear..is there any class d and e r there..and elaborate class b protection.

0 Answers   GMR,

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why there is no short circuit when any resistance is used between phase and neutral?

3 Answers  

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i want prepare power grid exam what are book we want refer for electrical ?

5 Answers  

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Can anybody tell me how to calculate(formula) earth flat size(for copper and aluminium).

3 Answers  

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Simultaneous trip of incoming and outgoing breakers of 400kv/220kv trnasformer. What are the probable causes?

2 Answers  

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What is the difference between circuit breaker and isolator

0 Answers  

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During a temperature rise test of a bus duct, it is fed with 415 volts at 2000 amperes. Why dont we get an electric shock if we touch the bus bars?

7 Answers   ABB, SDBL,

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why the rating of a transformer in kva not in kw.

9 Answers  

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HT and LT cables can be laid on same cable tray

1 Answers  

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we have 400kv/6.6kv transformer ,it has total 9 taps on HV side with normal tap on tap no 5.when we took the ratio test we observed that ratio was decreasing from tap 1 to tap 5 and was found increasing from tap 5 to tap 9.What is the reason?if anyone have related document then please send me on the email id ankushbahale@gmail.com......plz plz

1 Answers  

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why does in transformer the v/f ratio constant?

2 Answers   TATA,

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In a synchronous motor. if start is running at high speed.  What will be the starting torque : Higher Lower Zero

0 Answers  

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