基于三电平PWM整流器的电动汽车高效电池充电器

2013 IEEE Vehicle Power and Propulsion Conference (VPPC) Pub Date : 2013-11-21 DOI:10.1109/VPPC.2013.6671722

Yingchao Zhang, Liping Jin, Y. Jing, Zhengming Zhao, T. Lu

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引用次数: 10

摘要

介绍了一种新型电动汽车电池充电器。前端PWM整流器采用基于空间矢量PWM (DPC-SVM)直接功率控制的MOSFET (Metal-Oxide-Semiconductor-Field-Transistor, MOSFET)三电平PWM整流器，实现高功率因数的同时降低系统成本，后端DC/DC变换器采用移相零电压零电流开关(ZVZCS)全桥(FB)变换器，提高系统效率。实现了电网瞬时有功与无功的解耦控制。在8kW样机上的实验结果表明，在整个充电过程中，系统效率高于85.1%，输入功率因数高于99.9%。

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Three-Level PWM Rectifier Based High Efficiency Batteries Charger for EV

This paper describes a new type charger for electric vehicle (EV) batteries. The three-level PWM rectifier used Metal-Oxide-Semiconductor-Field-Transistor (MOSFET) with direct power control based on space vector PWM (DPC-SVM) is adopted in the front-end PWM rectifier to achieve high power factor as well as reduce system cost, and full-bridge (FB) converter with phase-shifted zero-voltage zero-current-switching (ZVZCS) is applied to the back-end DC/DC converter to improve system efficiency. Decoupling control for instantaneous active and reactive powers of the grid is realized. Experimental results in 8kW prototype show that during the whole charging process, the system efficiency is higher than 85.1% and the input power factor is higher than 99.9%.

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