when we have to use UPF wattmeter and LPF wattmeter? what is the difference between UPF and LPF wattmeter in terms of construction?

4 Answers  

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what is difference between co-generation and captive power plant?

3 Answers   TATA,

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protection used for alternator , feeder , transmission line

3 Answers   NHPC, Perfetti,

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hi frnds can any one help me ? plz send me placement paper of hpcl of Electrical streem .... plz send ....its urgent . The hpcl test is on 17th feb.

1 Answers  

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what are factors to be consider in electrical installation like load factor,diversity factor .....

0 Answers  

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Y phase plates are used in transmission line??? what is there need???

0 Answers  

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How does a clampmeter measures dc current

1 Answers  

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what is frequency response?

0 Answers  

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how to calculate the cable current ratingand and how much of distance the rating will be ok will the distance is incresed what the action we take

0 Answers  

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What is Annunciation?

0 Answers   Solare,

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In single phase ac ups supply when current is measured with tong tester neutral current is found more than phase current.What is the reason?

0 Answers  

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What is the different between digital phase converter and ordinary phase converter?

0 Answers  

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