i need to calculate high voltage line power factor daily basics but there is meter reading kwh and kvah while calculating power factor kwh/kvah formula was right. for examble there is point c=13kwh c=1.8 lag c=1.2 lead and c=14.5kvah like that i know that p.f =kwh/kvah but c=1.8lag kvarh and c=1.2lead kvarh points i dont know if u know please reply

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what is reactive power?

2 Answers   Vestas,

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Hello everyone, somebody knows what is a "surplice power" ? The hole phrase is: "This rating is appropriate for a generator set paralleled with an infinite bus e.g. a national electrical supply network or grid where the generator set is run at 100% load, 24 hours a day, 365 days a year and any surplice power is exported into the grid" Thanks in advance.

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What is mean by retrofitting of machine tool please brief.

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If oil and air can withstand a high MeV when used as an insulator in a transformer, what are the values of how high for each material?

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without name plate detail of blower how we can find out the HP & Rpm ? the input voltage is 230v single phase

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Which device is used for the source of emission of electrons in a crt?

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How do we calculate tranmission line losses of a 132 KV tranmsission line. Please give some quick tips?

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can we use engine degreaser for electrical motors?

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in 33/11kv stepdown transfomer, transformer will stepdown to 11kv & remaining 22kv where it will go..

3 Answers  

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WHY EXCITATION OF SYNCHRONOUS MACHINE IS DC NOT AC

8 Answers   NTPC,

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what is blocking diode and what is the use of it in tne control circuit.Pls Explain it.

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