When supplied from a source with the rated voltage and frequency, a 3 phase, 93 Kw, 400 , Y-Connected, 50 Hz, 4 Pole, Squirrel Cage induction motor provides its rated shaft power t the rated rotor speed of 1463 rpm. Friction and windage losses accounted for 4% of rated ower. The resistances of the stator and referred rotor are the same. The impedance of the hunt branch is sufficiently high that the excitation current may be neglected. So please do the alculation; a) The Operating Slip? b) The Gross-Power? c) The Air-Gap power?
When supplied from a source with the rated voltage and frequency, a 3 phase, 93 Kw, 400 , Y-Connected, 50 Hz, 4 Pole, Squirrel Cage induction motor provides its rated shaft power t the rated rotor speed of 1463 rpm. Friction and windage losses accounted for 4% of rated ower. The resistances of the stator and referred rotor are the same. The impedance of the hunt branch is sufficiently high that the excitation current may be neglected. So please do the alculation; a) The Operating Slip? b) The Gross-Power? c) The Air-Gap power?
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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