A modular multilevel topology using power electronic transformers for the modular drivetrains of electric vehicles

Fengqi Chang, M. Lienkamp
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引用次数: 6

Abstract

This paper proposed a modular multilevel topology using power electronics transformers for the modular drivetrain of electric vehicles (EV). Because of its high modularity, the topology can be easily applied to a wide range of EVs, from personal vehicles to passenger cars. Compared with two conventional modular multilevel converters, fewer submodules are needed and its control is thus simpler. The topology can also balance voltage of batteries without an equalization circuit and has low harmonics distortion. Moreover, according to the simulation results, the topology has higher overall efficiency than the conventional 6-switch 2-level inverter structure in synthesized driving cycles.
基于电力电子变压器的电动汽车模块化传动系统的模块化多电平拓扑
针对电动汽车的模块化传动系统,提出了一种基于电力电子变压器的模块化多电平拓扑结构。由于其高度模块化,该拓扑结构可以很容易地应用于各种电动汽车,从个人车辆到乘用车。与传统的两种模块化多电平变换器相比,该变换器所需的子模块更少,控制更简单。该拓扑结构无需均衡电路即可实现电池电压平衡,谐波失真小。仿真结果表明,在综合驱动循环中,该拓扑结构比传统的6开关2电平逆变器结构具有更高的整体效率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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