Answer / kundan kumar

no- load losses of the transformer depend on flux density
of the core and frequency.no load loss is equql to the
summation of hysterisis loss and eddy current loss.

Answer / arb555

By no load test, i.e

The O C test using w/m , a/m & v/m.

The W/M reading gives no load losse, W

Why two phase welding machine is used instead of three phase welding machine.

0 Answers   Merck,

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ho can we calculate the conductor insulation value according to their ratings like voltage,current etc.how insulation value related with voltage,current and power of amachine

0 Answers  

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in small capacitor we use uf( micro farad) and in big quantity we used kvar. i want to know that in 1 kva how much will b uf(micru farad).

2 Answers  

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What mean power grid fail. why power grid fail.

1 Answers   Intas, Tech Mahindra,

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why fuse not recomended to neutral

10 Answers  

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sourse is 66 KV / 350 MVA, transfarmer is 1000 KVA 6.6 / 0.415 kv, iF fault is 28.75 MVA on 0.415 KV Bus then calculat the Transfarmer Impidance

0 Answers  

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1.why is +1+1=+2 why cant it be +3 2.Why is +1*-1=-1 why cant it be something else 3.why are the hilly areas more cooler than the ordinary areas?

5 Answers   ThyssenKrupp,

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resistivity of copper

1 Answers  

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what are types of ups?

1 Answers  

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if 2 coil of 1000W connect in series and 200 v is applied across it . then what is the total power of coil when coil have only resistive load .

0 Answers   BSNL,

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At which time Synchronous generator act as a Synchronous Condenser?

4 Answers  

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for a 33/11kv transformer, after step down what happens to the balance 22kv.

2 Answers  

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