The power flowing in a 3-phase, 3-wire balanced load system is measured by two wattmeter method. The reading of wattmeter 𝐴 is 7500 𝑊 and of wattmeter 𝐵 is −1500 𝑊. The power factor of the system will be nearly:
A. 0.9
B. 0.7
C. 0.6
D. 0.4
Answer:D
The power flowing in a 3-phase, 3-wire balanced load system is measured by two wattmeter method. The reading of wattmeter 𝐴 is 7500 𝑊 and of wattmeter 𝐵 is −1500 𝑊. The power factor of the system will be nearly:
A. 0.9 B. 0.7 C. 0.6 D. 0.4