Electrical and Electronics Measurements Measurement of Power Measurement of Poly Phase Power

In a balanced 3-phase 200 V circuit, the line current is 115.5 A. When the power is measured by two wattmeter method, one of the wattmeter reads 20 kW and the other one reads zero. What is the power factor of the load?

1

0.5

2

0.6

3

0.7

4

0.8

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