A 3 phase, 10 kW, 400 V, connected induction 400 V, 4 pole, 50 Hz, star motor draws 20 A on full load. Its no load and blocked rotor test data are given below: No Load test: 400 V Blocked Rotor test: 90 V 6 A 15 A 1002 W 762 W Neglecting copper loss in no load test and core loss in Blocked Rotor test, estimate motor's full load efficiency.

A 3 phase, 10 kW, 400 V, connected induction 400 V, 4 pole, 50 Hz, star motor draws 20 A on full load. Its no load and blocked rotor test data are given below: No Load test: 400 V Blocked Rotor test: 90 V 6 A 15 A 1002 W 762 W Neglecting copper loss in no load test and core loss in Blocked Rotor test, estimate motor's full load efficiency.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter32: Three-phase Motors

Section: Chapter Questions

Problem 6RQ: Name three factors that determine the torque produced by an induction motor.

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