In ‘Two-wattmeter method’ of power calculation of a 3-phase balanced star connected system, what is the power factor of the system, if one of the wattmeter’s shows negative reading and the other shows a positive reading?

Greater than or equal 0 but less than 0.5

Greater than 0.5 but less than equal to 1

In ‘Two-wattmeter method’ of power calculation of a 3-phase balanc

1.	In ‘Two-wattmeter method’ of power calculation of a 3-phase balanced star connected system, what is the power factor of the system, if one of the wattmeter’s shows negative reading and the other shows a positive reading?
A.	Greater than or equal 0 but less than 0.5
B.	0.5
C.	Greater than 0.5 but less than equal to 1
D.	Greater than 1
Answer» B. 0.5

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In ‘Two-wattmeter method’ of power calculation of a 3-phase balanced star connected system, what is the power factor of the system, if one of the wattmeter’s shows negative reading and the other shows a positive reading?

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