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Question:

what will be the power consumption by a motor when run at full load and partial load?

p=v X i cos(phi).if current will be less due to the load demand active power consumption will be same (equal to the rated power mentioned at panel).

Answer:

Typical ac motors draw about half as many volt-amps and about 1/3 as many watts at light load. The voltage changes very little. Neil
power in = power out plus losses. that if the power out is less then the power in will be less.

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