why the power factor is low at no load?
Because at no load, the only significant current component is Excitation current which is 90 degree out of phase with the supply voltage. Since pf = cos(@) and @ is around 90 here, power factor is very low.
| Is This Answer Correct ? | 3 Yes | 0 No |
The iron loss in a 100kva transformer is 1 kw and full load copper losses are 2 kw, then what is maximum efficiency occure at a load?
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what happens if commutator is removed in an dc machine?
how many kw = one ton air condition?
what is induction motor
what is difference between MCB & MCCB
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I am an electrical contractor in noida, I am registereg in noida vat. i got a contract in Delhi State, my party told me that we shall deduct WCT @4% & reimburse Service tax all in composite scheme. Now Problem is this, 1 Can i able to purchase outside the delhi? 2 Can i produce a c form to our vendors? 3 What is limitation of purchase from outside the Delhi? 4 What % of tax Govt will levied upon me? 5 How can i take credit of tax paid upon purchase made by us. So, like these type questions i have in my mind if any person know the right answer please write to sksproj@gmail.com or contact me on - 8010076534 / 9212758177 / 9718378190. Thanks with Best Regards, S.K.Saxena
How can i calculate the Breaking capacity of molded case circuit breaker, is the breaking capacity of CB for Diesel generator shall be less than grid supply's breaker ?
Why 11kv to be generated in generation station
0 Answers TNEB Tamil Nadu Electricity Board,
what is inter connected dc generator?
0 Answers Lovely Professional University,
The specific heats of the gas at constant pressure and constant volume are respectively 1.0 kJ/kg K and 0.72 kJ/kg K; the value of R for the gas is
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