Answer / ahmed

3phase 3wire with out nutral
3phase 4wire with nutral

Answer / mohammed mushtaq

3phase 3wire meter employ 2 watt meter method while 3phase 4wiretmeter employ 3watt meter method to measure energy

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what are the different methods for the starting of a synchronous motor.

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Transformer type...??

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any idea abt REVERSE METERING concept.........?

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