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Calculate the power factor if the power angle is 12°.

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in Electric Drives by (99.8k points)
Calculate the power factor if the power angle is 12°.

(a) .87

(b) .47

(c) .97

(d) 0

I have been asked this question during an online interview.

The above asked question is from Induction Motors in chapter Speed Control of Direct Current Motors & Induction Motors of Electric Drives

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The correct answer is (c) .97

Best explanation: Power factor is the ratio of the real power to the apparent power. It measures the useful power contained in the total power cosΦ=cos(12°)=.97.

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