Answer / poornima

ELCB(Earth Leakage Circuit Breaker) is a safety device used
in electrical installations with high earth impedance to
prevent shock.

Answer / ishwar bandhe

the abbrevation of elcb is earth leakage circuit breaker
and its function is to protect or to beak the circuit in
case of earth leakage of prescribed value such 30mA,100mA
etc

what is the minimum dielectric stregth of transformer oil.

25 Answers   HP,

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Residual voltage & residual current used in which protection?

5 Answers   Qatar Gas, Reliance, Transformers and Electricals,

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what is the capacitance of a single conductor

6 Answers   Bhel,

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difference b/w semiconductor and dielectric

2 Answers  

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how can see the ac indoor or out door ac which Tr

0 Answers   Wipro,

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1.what is use of isolation transformer. 2.Differance between KWH,KVAH,KVARH,KVA. 3.Main use of the CT and PT.

1 Answers  

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If two transformers same rating(11KV / 440V)connected in the same primary line(11KV), can we connect(bus coupler) secondary side directly or need a synchronization????

3 Answers  

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when we megger is not damaged when we are measuring very low resistance? high d.c. voltage is produced in megger so according to i=V/R. current will be high so what is the reason ?

1 Answers  

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Why generating power limited to 11kv?

4 Answers   PSU,

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what is ht breaker

8 Answers  

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can any one tell me the formula for calculating the power and unit consumpetion

9 Answers   Avalon,

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why effective resistance should be more than static resistance in transmission line?

0 Answers  

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