A bi-directional Z-source inverter for electric vehicles

In this paper, a novel power converter for electric vehicles (EVs) is proposed. The proposed converter has a Z-source inverter which drives an ac motor, and performs as a current-fed Z-source dc-dc converter against reverse power flow. Thus, the proposed circuit does not need a bi-directional buck-boost dc-dc converter. The operation of the proposed converter was simulated by MATLAB SIMULINK and tested by circuit experiments for each operation as a Z-source inverter and a current-fed Z-source dc-dc converter.

[1]  F.Z. Peng,et al.  Maximum boost control of the Z-source inverter , 2004, 2004 IEEE 35th Annual Power Electronics Specialists Conference (IEEE Cat. No.04CH37551).

[2]  Fang Zheng Peng.  Z-source inverter , 2002 .

[3]  Xupeng Fang.  A novel Z-source dc-dc converter , 2008, 2008 IEEE International Conference on Industrial Technology.

[4]  C. C. Chan,et al.  The State of the Art of Electric, Hybrid, and Fuel Cell Vehicles , 2007, Proceedings of the IEEE.

[5]  Douglas J. Nelson,et al.  Energy Management Power Converters in Hybrid Electric and Fuel Cell Vehicles , 2007, Proceedings of the IEEE.