Modeling of Magnetically Coupled Embedded Z Source Inverter

V Vidhya¹, Jeyasree Tagore²

^1,2Sriram Engineering College, Perumalpattu, Chennai

Abstract

This Project deals with an Embedded Z source inverter to control the three phase induction motor. The Z source inverters are recent topological options for buck boost energy conversion with a number of possible voltage and current type circuitries. Embedded Z Source inverter is a single stage converter which performs both buck boost energy conversions using the LC impedance network. The proposed inverters provide high boost voltage inversion ability, a lower voltage stress across the active switching devices, a continuous input current and a reduced voltage stress on the capacitors. In addition, they can suppress the startup inrush current, which otherwise might destroy the devices. The microcontroller is used to generate PWM pulses and to control operation of Z Source inverter. The complete hardware is designed to drive the three phase induction motor. This paper presents the operating principles, analysis, and simulation results, and compares them to the conventional switched inductor Z source inverter. The desired three phase PWM signals are generated by using control circuit and detailed hardware results are presented.

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Cite this Article as Follows

V Vidhya, Jeyasree Tagore. Modeling of Magnetically Coupled Embedded Z Source Inverter. International Conference on Innovative trends in Electronics Communication and Applications 2014. Vol. 1. Chennai: Association of Scientists, Developers and Faculties, 2014. 236-241. Print.