Electrical Engineering > GATE 2018 > Power Measurement
Two wattmeter method is used for measurement of power in a balanced three-phase load supplied from a balanced three-phase system. If one of the wattmeters reads half of the other (both positive), then the power factor of the load is
A
0.532
B
0.632
C
0.707
D
0.866

Correct : d

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wattmeter method three phase balanced three phase load power measurement GATE Electrical Engineering 2018 power factor calculation electrical engineering gate wattmeter half reading GATE 17 electrical

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