ECE 332 - Electric Machines

3.5 units (fi 8)(EITHER, 3-0-3/3)

Principles of electromagnetic force and torque in rotating machinery. Simple AC and DC machines. Induction motor theory. Practical aspects of induction motor use: characteristics, standards, starting, variable speed operation. Synchronous machine theory and characteristics. Fractional HP motor theory. Safety in electrical environments. Prerequisite: ECE 330 or E E 330 or consent of Department. Credit may be obtained in only one of ECE 332 or E E 332.

ECE 432 - Variable Speed Drives

3.8 units (fi 8)(EITHER, 3-0-3/2)

Introduction to variable speed drives. Frequency, phase and vector control of induction motors. Dynamic models for induction motors. Permanent magnet synchronous and brushless dc motor drives. Prerequisite: ECE 332 or E E 332. Credit may be obtained in only one of ECE 432 or E E 432.

ECE 531 - Industrial Drive Systems

3.8 units (fi 6)(EITHER, 3-0-3/2)

Variable speed control of induction motors; soft-starts. Utility interface of drives; pwm, csi and vvi drive systems; slip-energy recovery drives; medium voltage drives; application issues of industrial drive systems. Prerequisite: E E 332 and E E 431 or equivalent.