Answer Posted / k.prakashchandra

Resistance of dog conductor is 0.28 ohm /KM at 20'C.Find the current and use the formula W = I^2 R

Dear friends, i would like to know that what is the exact function of 'exciter winding' & 'aux winding' in Alternator?

1436

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15hp motor wound by 0.9mm & 0.95mm magnet wire. at no load test it draw 4.2A current. Another motor with same condition draw 9.2A current. How can that occur? pls help

1102

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What is the difference between the transmission line and distribution line?

655

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WHat is the general checks required for Dry type transformers

1645

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Purpose of providing neutral isolation panel for parallel operation of diesel generator

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what is RFID? thire application;

1523

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why high speed tripping relay is used in protection circuit why not normal relay

842

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what is residuel magnetism. and how order lead acid batteries for 24 volt. emergency lighting system.

1561

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A 3-phase IM is supplied from 50 Hz system. It runs at speed of 1440 rpm and slip equal to 4 %. Calculate number of pole pairs. A 1 B 6 C 2 D 3

1575

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explain the Trip supervision circuit

1654

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What is the most accurate way of testing ELCB?ELCB is better than RCD?

2871

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What is the formula to calculate the rating of power cable for three phase current.

1659

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State the types of distortions in amplifier?

674

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What is the rate of WCT on the Electrical Contracts comprising of DG Sets and Civil Works in Delhi ?

1620

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1.what is mean by 8/20 micro sec waveshape

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