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The rotor injection method is a part of the slip changing technique.

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The rotor injection method is a part of the slip changing technique.

(a) True

(b) False

The question was posed to me in an interview for internship.

My doubt stems from Induction Motors Speed Control topic in division Speed Control of Direct Current Motors & Induction Motors of Electric Drives

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Right answer is (a) True

For explanation: Rotor injection method comes under slip changing technique. It uses an external voltage source to change the slip value. The load torque remains constant here.

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