Answer Posted / kalyan

condition for max efficiency of 3-ph transformer,when core
loss=cupper loss.
condition for max efficiency of d.c.motor,back e.m.f=supply
voltage/2

please suggest some good universities with low cost iam in totally full confusion so please help me my profile gre 283 and ielts 5.5

1648

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What is expention fastener (Fan)

2092

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11kv/433v delta/star distribution transformer primary side full load Ht current is 83.33A in , but input side VCB rating 800A.why?

1732

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What si the d/f b/w KVA & KWH, kvarh & kvar, kwh & kvar phase voltage & line voltage

6227

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USE OF 8 WAY PAN ASSEMBLY

2030

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what kind of quetions will ask in BHEL in interview? Plz help me?

2157

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how define the torque in ac drive. from electrical side in the drive friquency ,voltage and current three factor is there.

2281

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we have earthmat at 110KV substation.we would like to take earth resistance.b some says that by connecting earth megger terminals (C1,P1) at middile point of earthmat (at riser) will cause voltage gradient at other earthmat nods and dont get exat earth resistance.when connecting at end nods will get exat value . is it correct .please explain

2274

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how did the testing of protection relays done through current injection

2146

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what will be project cost for 100 kv transformer connection under oyt scheme.

3000

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What are the causes of having an rmu explode after installation? And how do u treat the bushings of an rmu?

2576

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sir pls send the je exam - 2008 and other model question papers..

2119

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why do we have spikes enough to burn electronic boards, when generators are not grounded

1862

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What is the Nyquist criterion regarding control systems?

1141

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what causes contact chatter when there is no demand on the air conditioning unit?

2091

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