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

My requirement is 1VA,50/5A Current Transformer for Metering .If I select 15VA , 50/5A CT.Is there any possibility of Technical Problem ?

6 Answers  

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how is efficincy of the transformer is predermined

3 Answers  

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What is the fullform of NS fuse

2 Answers   Google, JAL International,

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Why high voltage lines (overhead ) are called high tension lines?

8 Answers  

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What products have you designed which have entered high volume production?

0 Answers   Intel,

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Which one is easy to control AC or DC Machine?

2 Answers   BARC,

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i work as a technician at a private company.. i used to take amp reading for certain appliances such as air con.. the problem is when i clamp the neutral, wire there is a current reading.. from my understanding for single phase system neutral should not have current unless if the circuit is not complete.. yet the air con still work

3 Answers  

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What is the Polarisation index value ? (pi value)and simple definition of polarisation index ?

15 Answers   Essar,

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some times voltage does not built in small generators why ?

2 Answers  

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What power factor maintain you maintain at u r organisation

14 Answers   Wheels India,

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Why current transformer is earthed??

2 Answers  

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Require Generator Capcity ( KVA ) for 3 Phase Motor having 4.7Kw with starting current of 16amps?

1 Answers  

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