Answer Posted / jasmin

RCCB means residual current circuit breaker. This is used 
to trip the circuit in case of earth faults to prevent 
electrical shocks.Different sensitivity ratings are 
30ma,100 ma, 300 ma.These are used for Domestic, commercial 
and Industrial electric loads respectively. 

Define settling time.

1177

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previous year paper of ntpc bhel for degree in electrical enng

3217

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Why slip ring ind. motor power consumption is low compare to induction motor .same 90 kw motor used same load output

1852

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In siemens PLC, why do we want to move the data ?

2338

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

1932

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Write the analogous electrical elements in force voltage analogy for the elements of mechanical translational system.

1363

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I am a possesor of c licence from 1993. I forgot to renew during the year 1998. During that time I was working at TNEB to till date. Is there any possibility to get renewed? or to apply for a new one?

2047

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Please tell me in DETAIL about the following 3 types of fuses or recommend me a good power system protection book or a website link ? 1.Dropout Fuse 2.Striker Fuse 3.Empulsive fuse (not sure if its impulsive or explosion fuse , sorry)

2118

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Please tell me the formulaes while designing a substation for power Calculations in designing a 33 KV Substation?????

1829

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What are the different power system losses and how can it be eliminated?

2086

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what is the use of vcb & isolator in substation?

2396

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how to find number of run cable laying[LT side] for transformer & alternator secondary side? [above condition for getting output power transformer to main panel side] give the example.

2087

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how you will decide the distance between the power transformer and its fencing

1985

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how desiel generate sart fail of eb?

2214

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What is deference between MCB & MCCB & ISOLATOR

2134

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