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

what is H.T?specify the range?

6 Answers  

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why do we need to use 3c+3e cable, normally i select only 3c+e cable and i think it is enough. pls explain the usefull of 3e cable ( in this project the earthing system is well done)

0 Answers  

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What is the accepted limit to increase the choosen transformer capacity over the load and why ?

2 Answers   Asec,

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we have a lot of model of rectifier but thyristor rectifier is the most rectifier that use in power system. Do you know why this rectifier is used?

0 Answers  

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Send the control circuit digram of a star delta stater?

1 Answers   L&T,

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wat is the first thing dat is needed, 2 lay a cable in some area??

0 Answers  

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Explain M Var? Which types of problem occurs when reactive power increase at the time of full load of plant and at the time of synchronize of plant?

0 Answers  

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The knee point of a current transformer is normally unique and known.So why in the nameplate of a CT they put the minimum value like this Vk> 400v.

0 Answers  

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what is the difference between PLC and embedded system

3 Answers  

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what will be fault level of 11 KV , 2000 A ELECTRICAL SYSTEM?

4 Answers  

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what is power factor for any engineering equipment?? what should be its value?

3 Answers   ETA,

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I am a electrical engg. diploma holder,applied for junior engineer (electrical),Kolkata RRB. Have I to attend all electrical,mechanical&civil portion in written exam.???

0 Answers   RRB,

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