1.

A three phase induction motor is sometimes called a generalized transformer in so far as voltage and frequency transformation has been concerned. Then the rotor emf E2 and the rotor current I2 are zero at _________(a) Ns(b) 2Ns(c) Zero(d) Slip of 50%I had been asked this question during an online exam.This key question is from Principle of Operation topic in division Induction Machines of Electrical Machines

Answer» RIGHT option is (a) Ns

Best EXPLANATION: The rotor EMF and CURRENT are zero at the speed of synchronous speed of the MACHINE.


Discussion

No Comment Found

Related InterviewSolutions