Hysteresiscontrolled Quasi Z-Sourceinverter Fed Induction Motordrivesystem with Enhanced Response

In this project, this-effort deals with-enhancement in-dynamic response-of-QZSI fed-induction-motor framework”. The objective of this effort is to develop-a-closed-loop-controlled-QZSI-fed induction-motor-framework that provides a steady-rotor-speed. - This has been realized using -closed-loop-controlled-QZSIIMD framework. 

The ‘QZSI’ is exploited to switch it to ‘three phase-AC’. The yield of-3phase-inverter is sorted before it is applied to a ‘3phase-Induction-motor using a OTT--filter’. The methodology involves simulation of open-loop QZSI-IMD system and closed loop PR and HC controlled QZSI-IMD systems. 

The result obtained using Proportional-Resonant (PR) controlled QZSI-IMD system is compared with Hysteresis controlled QZSIIMD system and it is proved that HC based QZSI-IMD system produces better dynamic-response than PR controlled QZSI-IMD system. The proposed Hysteresis controlled QZSI-IMD system has advantages like low settling time and less peak –over-shoot.

Keywords: QZSIFIM, PRC (Proposnal Resonent Controller), Hysteresis Controller, OTT filter, THD