Electric Motor Drive Systems Course Description

The unit description, in two halves. Direct current machine drives: two and four quadrant chopper control, the transfer function of the direct current machine drive system, speed and current feedback control, microprocessor control of direct current drives and variable speed drives. Alternating current machine drives: the a.c. machine system, induction and synchronous motor drives, electronic control using inverters, harmonic distortion and losses, control of frequency, voltage and power, transfer functions of a.c. machine drive systems, speed, current and flux feedback, microprocessor control in a.c. drives and the applications of a.c. variable speed drives.