Answer Posted / rafeek

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how copper and aluminium wires or cables are choose for current rating? please provide copper and aluminium wire selection chart for different current rating ?

2032

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Why in 6 KV XLPE cable termination kit used and why not in 380 V xlpe cable same is not used

2642

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explain with diagram how to protect transformers and substations from over current with help of CT's?

1954

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we have require a Motor (1500kW, 6.6kV, 50Hz) which shall operate at 1500rpm during 30min and after it shall run on 500rpm during 15min. The same cycle shall be repetitive during the whole working days. Which method is best and economic to achieve such type of task. VFD, VVFD, Pole changing motor etc.

1918

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How to calculate no of Lighning arrestors are required for protecting 50mX 50m*20m cubical building and locations of LA?

1841

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how do prepare ongc exam.how is it question model.i am electrical. which part covering in electrical.tell me

2266

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How to calculate multiplication factor in kva example 500kva ans pls ?

1959

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how can we select the type of wire.what factors we have to look on it , do we have some formula to calculate it. please guide me on it

1946

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iam preparing for rrb section engineer post in electrical branch.suggest the right textbook for my reference.fromwhere i will get the previous q.papers?

2280

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can anyone explain the star-delta motor control wiring ,which wire go where and how they operate?

1451

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All tape of electrical questions Answers tape of motor transformer e.o.t crane

2657

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what is PDU in transformer?? which company manufacture??

1900

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please explain to me how to calculate current,voltage,resistance with formula??

1435

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Anybody know how schematic diagram for reverse power relay? RPR for generator protection

2134

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how can get electrical "c" licence.i am complited in DEEE.PASSING YEAR OF 1993.WORKING IN PVT COCERN LT LINE.PLEASE ADVISE ME .CELL NO 9994786021

1952

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