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For a 3 phase synchronous motor, the load angle should be equal to impedance angle.

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For a 3 phase synchronous motor, the load angle should be equal to impedance angle.

(a) True

(b) False

I had been asked this question in a job interview.

My doubt is from Power Flow Through an Inductive Impedance in portion Efficiency and Regulation of Electrical Machines

1 Answer

+1 vote
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Best answer
The correct answer is (a) True

The best I can explain: dP/dδ = EVcos(δ+α)/Z = 0

              δ = 90-α=θ.

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