Answer / satish a

RCCB ( Residual current circuit breaker )provides protection
against Earth fault/leakage current and isolation of the circuit

Answer / ankush miglani 09718151073

rccb basicaly works when there is sm difference in i/p and
o/p current
it is an advanced version of elcb
mostly it is used in 3 no.s i.e. 1 for each phase
for single phase supply rcbo is used

it provides protection from earth leakage

he compression ratio for a petrol engine generally lies between

0 Answers   Caterpillar,

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Enlists the applications of sampled data systems?

0 Answers  

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On which side, taps are provided in tap changing transformers and why?

2 Answers  

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Give me the calculation steps to design an electromagnet to be work in 230V 50 Hz AC Supply. Also give force that is created by that electromagnet when it gets energized.

0 Answers   GE,

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what is meant by Hrc fuses.?In the distribution system different rating hrc fuses are used for tranformer(which is 3k,6k,10k,15k etc).what is k?.plz any brother tell me about k?

1 Answers  

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TRANAFORMER RATING 500 KVA,33KV/433, SECONDARY SIDE SWITCHED ON ONLY CAPACITOR LOAD 140 AMS, PRIMARY SIDE HOW MUCH VOLTS INCREASE?

1 Answers   BPL,

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Why iron core transformers not used in high frequency applications ?

3 Answers  

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Why MS rod or flat are used in stead of GI rod or flat in switchyard earth mat ?

2 Answers  

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What is the main uses of VCB & ACB?

2 Answers  

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what is dead tank CT AND what is live tank CT

2 Answers   TATA,

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Which motor runs on both ac and ac? a) dc series motor b) reluctance motor

2 Answers  

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How you take care of a motor from over loading and what are the different overloading ratings of different motors?

4 Answers  

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