Answer / anil

the ratio between the KVA and kw is known as power factor
KVA is a kilovolt ampher and kw is kilowatt these two are the units used to express the power KWA is an apparant power and KW is an actual power .

Answer / dharmar.c

We r using KVA in transformers for metering purpose..for calculating copper loss we need Ammeter(A),and we need voltmeter(V) for calculating iron and core losses

How we calculate the size of H.T cable for any transformer & rating of busbar for any L.T. panel?

3 Answers  

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what is the calculation formula for motor starting torque,running torque, running torque.

0 Answers  

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why dc is used in control circuits for MV & LV switchgeras instead of ac

0 Answers  

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what is Anti-pumping?

0 Answers  

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If R and Y terminals are short circuited,then power will cut. we all know that power cannot be stored.what will happen to already generated power at power station?

3 Answers  

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Why earthing is necessary for any equipment?

0 Answers  

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to hook up ten 50 amp rv pedastels at a lenth of 600 feet from the service what size will my service need to be and the size of wire will I have to run to each pedastel in series??????

0 Answers  

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after how many spot we must chang secondry cable in portable spot welding gun?

0 Answers  

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any body know about lighting arrestor. how to determine the height of lighting rod from top of bulding and how many area it cover.

1 Answers  

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What is the meaning of floating point earthing in battery backed systems ?

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What are n circles?

0 Answers  

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What is hysteresis losses?

2 Answers   GMR,

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