Five-Phase Induction motor drive for EV with High Gain Switched-Inductor Quasi Impedance Source Inverter

Y. Suri Babu, K. Chandra Sekhar


Switched-inductor quasi-impedance source inverter (SL-qZSI) with high gain fed five-phase induction drive for EV applications is proposed in this paper. Multi-phase electric machines have been predicted for application where the entire system should have better reliability and demanded power per phase is low especially for autonomous applications like EVs. To supply variable voltage and frequency to multi-phase machines, a high voltage gain multi-phase inverters are required. In this paper, high voltage gain SL-qZSI fed five-phase induction motor drive is taken into account to run a five-phase IM. SL-qZSI offers enhanced boost capability with respect to traditional impedance source converters by inserting three diodes and only one inductor to the basic qZSI. Also SL-qZSI offers withstanding capability during voltage dip as a result line harmonics are diminished; enhances reliability of inverter; and output voltage range is extended. The key idea of this paper is to design and develop a high performance and highly reliable SL-qZSI fed five-phase IM drive implementing a high gain inverter and validate the proposed system depends on results of Simulation with the help of MATLAB; these findings were comparable to the similar type of existing converters. We can notice from the performance analysis of the proposed system that it can provide enhanced voltage boosting capability and proved that it has significant potential for the suggested multi-phase VSD system.


high gain inverter; quasi-impedance source inverter (qZSI); solar PV; five-phase induction motor; switched-inductor



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