Answer Posted / dharmaraj

I am electrician two year expriance.. .

HOW DOES THE ELECTRONIC ENERGY METER WORKS?

1617

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it is in our knowledge tht right plug of supply of residential suppy system is phase n other is neutral...howevr the battery charger of mobile works in both ways...i mean it is not restricted in only one direction.ny of the holder of charger can hav phase .so y is it not lik tht phase of supply must b connected 2 phase of charger...?

1559

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whati s the sludge current in ups

1699

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What is the simplest formula to calculate the rotor diameter of a synchronous generator?

1909

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can i use 4 number of circuit breaker as single phase manual change over switch? if yes then how plz also send ckt diagram at nazimzamurad@gmail.com

1617

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What is step signal?

633

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what is the safe meggar values for motor, transformer HT, LT and Cables? IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace. why we generally use 3.5 core cable or in other word 1/2 core for neutral and also confirm me that in balance conditiob(3 phase)current in neutral will zero

1807

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how to set the time in digital timer ?

1559

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when the time of backcharging the transformer three phases only enough or three phase with neutral is must.from these which one is the best one.

1580

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Define active and passive network?

665

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defination of transistor controlled series capacitor

2201

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What are the advantages and disadvantages of the dc motors?

622

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I have 4 busbar of 1000 ampere. we use 4 busbar to make 4000 ampere in one phase.my problem is that when we applied 60% load on that then busbar produced high noise.what is the reason of that and how can i minimize that noise.

1289

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how to deside the capacity of chock for drive?

1620

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What are the advantages & disadvantages of a group electrive drive?

1657

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