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20 horsepower, 380V, 60Hz 6-pole 3-phase induction motor has 6% of full load slip. When operated...

20 horsepower, 380V, 60Hz 6-pole 3-phase induction motor has 6% of full load slip. When operated under full load, friction and wind damage are 220W, stator copper loss is 270W, and iron loss is 200W. Find the following under full load.

a. Load torque

b. Organic torque

c. Pore power

d. efficiency

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