Question

A 3 phase induction motor is driving full load torque which is independent of speed if the line voltage drops to 90% of rated value percentage increase in motor copper losses is

Answer 1

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Induction Motor 1275 revolving load causing its speed to fall.

(ii) Phase-wound or wound rotor : Motors employing this type of rotor

A 3-φ induction motor is driving full-load torque which is independent of speed. If line voltage drops to 90% of the rated value, find the increase in motor copper losses.

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