Answer / pillay

There is no formula.A carefully collected sample oil is
tested in a specially designed tester.

Answer / mgalalkhedr

According to the insulation class for the transformer
winding you should select the equevlent oil. avarage
between 30 to 60 KV

What is the difference between ELCB and RCCB. Please define the working of both.

6 Answers  

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How can decide the MVA rating of power transformer for substation like 220/132, 132/66, 66/33kv etc or even higher kv rating of substation???? Send me the strictly technical answer that shows your strong technical aptitude.

6 Answers  

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why vaccum circuit breakers are preferred over m.o.c.b

2 Answers  

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difference between ac series and parallel circuit

0 Answers  

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what is exact meaning of CT core saturation or simply saturation of core.

1 Answers  

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how does electrical train works and what type of motors are used to drive the train? which level of supply voltage is used?

22 Answers   Alstom, Infotech,

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plz tell me the potential difference between phase and netrul

2 Answers   CGL,

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WHAT IS FAULT CAPACITY OF HT MOTOR TERMINAL BLOCK? ANY BODY HAVE ANSWER PLZ....POST IT.

0 Answers   Birla,

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what convarts RRA in alternator ,AC to DC or DC to AC,

1 Answers   Birla,

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what is the basic principle of TV camera?

0 Answers   BZU,

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what is stacking factor?

1 Answers  

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what is the main function of contactor?????

9 Answers  

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