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1. |
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 maximum |
Answer» B. Rotor will be driven in direction of rmf | |