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Torque developed in the motor is ___________(a) KmΦIa(b) KmΦIa^3(c) 2KmΦIa(d) KmΦIa^2This question was posed to me by my college professor while I was bunking the class.My query is from Countercurrent Braking of DC Shunt Motors topic in division Braking of DC Motors & Induction Motors of Electric Drives

Answer»

Correct OPTION is (a) KmΦIa

To EXPLAIN: The torque developed in the MOTOR is DIRECTLY proportional to the FLUX, machine constant, armature current. It is mathematically represented as T= KmΦIa.



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