Answer Posted / guest

it should be 0.5 ohms

Tell me all plants load factors i.e which plant operating on which load?

2101

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distribution is maximum done by a)radial b)network c) parallel d)b & c

2015

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i am an maintenance engineer. one distribution board have 5 feeder. recently its ELR trips frequently, but it take some times after trip( 10min,20min..)but 3 feeder no load. two feeder only loaded. i checked one feeder IR value all values are above 50Mohm.but B phase to Earth is only 9Mohm.any problem about low value

1949

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Mention the disadvantages of low power factor? How can it be improved?

1150

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How to calculate the input cable rating for 10kva ups (3phase input and single phase output and also 3phase output, battery rating 65Ah)provide the formula also.thnx

2218

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If we have 11 kv RYB Phase single core cable near about. Then wht effect and losses

1875

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how maney type tempereture measurement ?

2260

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how does high earth to neutral voltage affects electronic circuit?

1954

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what type of motor used to move a 1 ton gate? and relate ratings with load.

1812

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What tests should i carry over on a newly rewinded DC Generator with voltage rating of 38 volts and current rating of 350 amps, to certify that the machine is OK?

1885

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HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT-SWITCH BOARD,MLDB,ACB,BUSBAR,ETC,......?

2098

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is it necessary to earth the rmu before cutting off the transformer winding?if yes why?

1936

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Motor,transformers,capacitor tubelight etc....

1649

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Why derating factor os applied on Cables?

1956

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please write motor, transformer, Generator setting, fault level calculation of Tr.etc

2055

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