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Find the power factor of the motor

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Reference no: EM132599868

A 3-phase, star-connected synchronous motor takes 20 kW at 400 V from 50 Hz supply. The synchronous reactance/phase is 4 Q/phase and the effective resistance is negligible. If the exciting current is so adjusted that back e.m.f. is 550 V, find the power factor of the motor

Reference no: EM132599868

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