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

Wtat is vaccum currcuit breaker.define with cause of used.and where be use it Devise .

1 Answers  

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hw the cable size can be calculated when we have watss, volts, pf, i need the forula

2 Answers  

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what is the purpose of fuse?

7 Answers  

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what was the function of the auxillary relay?

3 Answers  

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How do determine the Size of a Droop Current Transfomer for Paralleling of Two Generators, Say I need a Droop Current transformer for a 600 kW generator need to be parallel with a 800 kW generator, etc.

2 Answers   JK Cement, MPPGCL Madhya Pradesh Power Generating Company Ltd, PNG Power,

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what are the types of basic earthing?and why we are doing that?

3 Answers   Bharti,

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What is the suitable rating of MCB used for 1.5 Ton A.C & why?

4 Answers  

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how does capacitor oppose sudden chane in voltage? how does inductor oppose sudden change in current?

4 Answers   AAA, Iqra University,

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In a running D.G set engine and Alternator is revolving at 1500RPM but no output in the terminal>>>>what to do?? someone told excitation problem ....please advice

3 Answers  

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how can we check a fully charged battery?

2 Answers   KSEB,

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1. what is the meaning of bus? 2. what is the dc transformer? How it work 3.what is the function of the serge absorber? 4.How the CT and PT rating calculate/

1 Answers  

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Is single load(eg: three phase motor) having all the components like positive,negative,zero sequence components during fault condition?

0 Answers  

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