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

can any one suggest paper presentation topies for electrical engg?

0 Answers  

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why transmission line 11Kv OR 33KV,66Kv not in 10kv 20kv?

43 Answers   A2Z Group, Baiji Power Plant Gas, Electrical, HCL, Kirloskar, Mepco, NEPC, OAMC, UNI, University of Lahore,

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ELECTRICAL MACHINE

2 Answers   Bhel, HPC, NHPC,

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How to set an overload in a motor?

3 Answers  

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effect of single phase transformer on full load current?

2 Answers  

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what size of copper busbar use for 11kv 630A

3 Answers   ABB,

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Why the Motor takes High Current in Starting time?

5 Answers  

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What is Long rod insulator and it's applications..? merits over the disc insulator ..?

0 Answers  

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what is the working principle of UPS?

2 Answers  

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while running ,synchronous generator is being turned off.what will happen to the current flow??

1 Answers  

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for testing busbar (33kv) hi-pot .whether we can apply DC r not.and what is the test volt for that .explain

4 Answers   WGPSN,

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A.V.R maintains the voltage of a generator when it is in island mode but when the generator is synchronised with grid it maintenance the P.F,how it happens please any body explain it in detail.

2 Answers   TATA,

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