Multilevel DC Link Inverter Fed BLDC Motor Drive with Modular Battery/Supercapacitor HESS for Electric Vehicle

2020 IEEE Problems of Automated Electrodrive. Theory and Practice (PAEP) Pub Date : 2020-09-21 DOI:10.1109/PAEP49887.2020.9240871

I. Shchur, V. Turkovskyi

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引用次数: 1

Abstract

Modular approach to the configuration of powertrain systems of electric vehicles (EV) is a promising area of development of EVs in recent years. The modularity can apply to on-board power supply systems, power semiconductor converters and even traction electric machines. This paper uses one of the modularity options in the construction of a hybrid energy storage system (HESS) which consists of five identical modules, each of which includes a battery and a supercapacitor (SC) module, interconnected through bidirectional DC-DC converter. A multilevel cascaded converter (MCC) connects the power supply modules and controls the DC bus voltage, which feeds the inverter of the BLDC motor of the EV drive. A simple energy management system (EMS) strategy is proposed for this case of the HESS modular structure. Another EMS function is the battery state-of-charge balancing which performs by the MCC. Conducted simulation in Matlab/ Simulink software showed the efficiency of the studied EV electric drive system and the effectiveness of the developed EMS.

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基于模块化电池/超级电容HESS的电动汽车多电平直流链接逆变器无刷直流电机驱动

采用模块化方法配置电动汽车动力总成系统是近年来电动汽车发展的一个有前景的领域。模块化可以应用于车载电源系统，功率半导体变换器甚至牵引电机。本文采用其中一种模块化方案构建了一个混合储能系统(HESS)，该系统由五个相同的模块组成，每个模块包括一个电池和一个超级电容器(SC)模块，通过双向DC-DC变换器相互连接。多电平级联变换器(MCC)连接电源模块并控制直流母线电压，为电动汽车驱动器的无刷直流电机逆变器供电。针对这种HESS模块化结构，提出了一种简单的能源管理系统策略。另一个EMS功能是由MCC执行的电池状态平衡。在Matlab/ Simulink软件中进行了仿真，验证了所研究的电动汽车电驱动系统的有效性和所开发的EMS的有效性。

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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2020 IEEE Problems of Automated Electrodrive. Theory and Practice (PAEP)

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