IFOC of five-phase induction motor drive

This paper presents an indirect field oriented control (IFOC) of five-phase induction motor drive fed by a five-phase inverter using mat lab/simulink. IFOC is an established control method for high dynamic performance AC drives and the control is simple and highly reliable. Three phase induction motors have many well recognized advantages however their applications are limited to lower end of the high power range due to limitations on rating of power semiconductor devices. A strong contender in achieving high power is multiphase inverter fed induction motor drive. Multiphase motors have various advantages such as lower torque pulsation, reduced current per phase without increasing the voltage per phase, reduction in harmonic current, greater reliability, fault tolerance and minimal de-rating at occurrence of fault. A dq-axis model of five phase induction motor fed by a five leg inverter is developed and an IFOC controller presented. Simulation results are included to illustrate the performance of the five phase induction motor with IFOC.