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A three phase induction motor is sometimes called a generalized transformer in so far as voltage and frequency transformation has been concerned. How a three phase induction motor operates when rotor frequency is greater than stator frequency?(a) Rotor will be driven against rmf(b) Rotor will be driven in direction of rmf(c) No emf will be induced(d) The losses will be maximumThis question was addressed to me in an online quiz.I would like to ask this question from Principle of Operation in section Induction Machines of Electrical Machines |
Answer» Right OPTION is (a) Rotor will be driven against RMF |
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