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A higher value of armature reaction means the lower value of the short circuit ratio.

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in Electric Drives by (99.8k points)
A higher value of armature reaction means the lower value of the short circuit ratio.

(a) True

(b) False

This question was addressed to me in an online interview.

This interesting question is from Induction Motors topic in chapter Speed Control of Direct Current Motors & Induction Motors of Electric Drives

1 Answer

+1 vote
by (1.2m points)
Correct choice is (a) True

To explain: SCR is inversely proportional to the per unit value of synchronous reactance. Armature reaction depends upon the value of the synchronous reactance. A higher value of armature reaction means the lower value of the short circuit ratio.

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