Polyphase Inverter for AC Drives

Abstract

This paper is based on Polyphase multilevel inverter with single DC source. In order to
reduce the harmonics and torque ripple for smooth operation of the machine and so that it
will help to reduce the amount of heat generated. The motor has to be supplied with
Polyphase supply greater than the three phase supply. Selection of even number of phases
should be avoided so that, it helps to decrease the performance of the motor. The system
setup has been involving the voltage source inverter as well as the Polyphase multi-level
inverter. The effects are through performing the scenario which considers the performance
effects for the load on induction machine, automobile, Propeller. PWM Technique is used to
generate the pulses for the inverter. The theory of reference frame has to be used for analyze
the performance of polyphase induction machine.