Answer Posted / sinnadurai

readers please provide

what is meant by class 1 E in electrical power supply?

2118

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what is the vvvf in the dumbwaiter?? or lift. what is the actual process?/

2096

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If only R Phase is connected in 2 pole elcb, n is not connected than it will work or not in ground fault.

1440

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what is rocking arrangement in arc heating

2138

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Following test should be conducted to find out relative polarity of transformenr terminals A no load test B back to back test C phasing out test D none of above

2224

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Cb closed condition if there is a tcs fail whether cb will trip or not

1836

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what is the purpose of slope in the differential relay?why we are using two slope?but in busbar differential we are using only one slope.why?

2915

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71ohm,111ohm,95ohm,179ohm in calculate the total ohm in series circuit

1686

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Earth leakage relay basic knowledge principle

2191

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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.

2081

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What is cross over distortion? How it can be eliminated?

1293

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what is the power factor used by the PHCN in nigeria? 2. what is the difference between an alternator and generator. 3. Generation of poweris in KV but how is transmission is in MW. 4.If the transmission of power is 20,000MW how can it be increaesed to 80,000MW

8622

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Can we indroduce the principle of single phase induction mator to Transformer? i.e. by Producing rotating flux in the transformer.

2311

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if two transformers are placed parallel & both have fault impedance of 50KA will it increase or decrease show example?

2007

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What is difference between safe PLC and normal PLC

1612

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