1.

An 4-pole 50 Hz induction motor with rotor resistance of 0.2 Ω produces a maximum torque of 10 N-m at 1200 rpm. At maximum torque, what will be rotor reactance and the difference between synchronous and asynchronous speeds (slip) respectively?

A. 2 Ω and 0.1 p u
B. 1 Ω and 0.1 p u
C. 2 Ω and 0.2 p u
D. 1 Ω and 0.2 p u
Answer» E.


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