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 purpose of shunt trip in ACB function?

1 Answers  

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when we have to purchase the transformer by own i.e how much load will preferred HT connection?

0 Answers   Power Square,

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When geneartor is running in poor lagging side power factor its excitation current increases then it is running in improved lagging side.Kindly tell me when gen is running in leading side what will happen

3 Answers  

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america 60hz electric supply is used; but india it is 50hz; why? and if we use 60 hz supply what changeg has to be done or all the equipment has to be thrown which has rating of 50hz frequincy

1 Answers  

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Why are calling leading power factor is a capacitive load?

1 Answers  

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What are the protections used in a HT breaker to protect the HT motors.

2 Answers  

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what is use of substation? Any book on how to instal or construction of substations?

6 Answers   Siemens,

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Write down the brushes of a de machine.

0 Answers  

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WHAT IS SEMICONDUCTOR? EXPLAIN DETAIL. FOR EXAMPLE TAKE A PENCIL.THE LEAD IS MADE UP OF GRAPHITE IT IS A CONDUCTOR.THE OUTER COVER IS MADE UP OF WOOD IT IS INSULATOR.PENCIL IS A SEMICODUCTOR MATERIAL.

5 Answers  

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How to identify the whether its an isolator or Breaker in MDB

5 Answers  

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What will happen if the generator turns in a wrong direction?

2 Answers  

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why Current is lead 90 degree and voltage is lag 90 degree in a capacitor.? why Current is lag 90 degree and voltage is lead 90 degree in an inductor.?

0 Answers  

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