what is the dis-advantage of 3 phase 3 wire energy meter?

1 Answers   Exide, Nelco,

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What can be a rating of a transformer(KVA) if the load is about 1000KW?illustrate by showing formula?

2 Answers  

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if ELCB and RCCB connected in series,what wiil be the result

2 Answers   BEC,

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why m and c are shorted in wattmeter

1 Answers  

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in transformers for ex. 100mva and 400kv the secondary current is about 420 amps but for selection of bushing the capacity of selected bushing is 2000A why there is such big difference ?

2 Answers   ABB,

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What is difference between wire and cable ?

3 Answers   Havells,

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which one cable has a more resistance.A big or small

2 Answers  

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How many straight through joint is permissible in single core 33kv XLPE cable for a length of 985 mtr.

3 Answers   DMRC,

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WHY CFL can't made in shape of bulb.

5 Answers  

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why should we connect the no load components in a equivalent circuit of transformer in parallel?why cant it be in series.

3 Answers  

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why we step up voltage for reducing the loss, even if voltage and current are proportional anr resistance remains same

12 Answers   Sarhad University,

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what is the physical phenomenon because of which skin effect occurs ??

6 Answers   Power Grid,

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