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A four-pole asynchronous motor, indicates on its plate a power of 12.3 kW. It is star...

A four-pole asynchronous motor, indicates on its plate a power of 12.3 kW. It is star connected to a 60 Hz system and works at full load with a speed of 1746 rpm. Friction losses are 400 W, by Joule effect in stator 950 W and in rotor 350 W. Magnetic losses are 0.23 kW. Determine performance, synchronous speed, and slip.

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