Answer / jim

By load you mean the usage such as in buildings and factory's. There loads have a fairly large amount of magnetizing current (inductive) for motors, power supplies and ballasts. Transmission lines, which deliver energy from power plants to cities, have there own capacitve and inductive losses. The transmission lines also have to deliver large amounts of magnetizing currents for the loads mentioned.

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if i have 5kw,9A,three phase induction motor,if i want to install it 100 meter away from its feeder,how i will culculate cable size for this load.

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what is the safe meggar values for motor, transformer HT, LT and Cables? IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace. why we generally use 3.5 core cable or in other word 1/2 core for neutral and also confirm me that in balance conditiob(3 phase)current in neutral will zero

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how to improve power factor correction?

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what would be the earth to neutral voltage in industries? if it is not main Taine then what will happen?

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what is the difference between Resistance VS capacitance

2 Answers   Jindal,

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