Title :
Applying adjustable-speed drives to three-phase induction NEMA frame motors
Author_Institution :
GE Motors, Fort Wayne, IN, USA
Abstract :
This paper addresses why a three-phase induction motor overheats on adjustable-speed drives, under some conditions. It further addresses how the motor may derate when used on a drive and how to determine the amount of derating required
Keywords :
DC-AC power convertors; PWM invertors; induction motor drives; machine control; machine theory; thermal analysis; variable speed drives; velocity control; ASD; adjustable-speed drives; motor derating; motor overheating; speed control; three-phase induction NEMA frame motors; Cement industry; DC motors; Frequency; Impedance; Induction motors; Pulse width modulation; Pulse width modulation inverters; Variable speed drives; Velocity control; Voltage control;
Journal_Title :
Industry Applications, IEEE Transactions on
