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首页> 外文期刊>Journal of power electronics >Z-Source Inverter with SiC Power Semiconductor Devices for Fuel Cell Vehicle Applications
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Z-Source Inverter with SiC Power Semiconductor Devices for Fuel Cell Vehicle Applications

机译：带有SiC功率半导体器件的Z源逆变器，用于燃料电池汽车应用

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摘要

Power electronics is a key technology for electric, hybrid, plug-in hybrid, and fuel cell vehicles. Typical power electronics converters used in electric drive vehicles include dc/dc converters, inverters, and battery chargers. New semiconductor materials such as silicon carbide (SiC) and novel topologies such as the Z-source inverter (ZSI) have a great deal of potential to improve the overall performance of these vehicles. In this paper, a Z-source inverter for fuel cell vehicle application is examined under three different scenarios. 1. a ZSI with Si IGBT modules, 2. a ZSI with hybrid modules, Si IGBTs/SiC Schotfky diodes, and 3. a ZSI with SiC MOSFETs/SiC Schottky diodes. Then, a comparison of the three scenarios is conducted. Conduction loss, switching loss, reverse recovery loss, and efficiency are considered for comparison. A conclusion is drawn that the SiC devices can improve the inverter and inverter-motor efficiency, and reduce the system size and cost due to the low loss properties of SiC devices. A comparison between a ZSI and traditional PWM inverters with SiC devices is also presented in this paper. Based on this comparison, the Z-source inverter produces the highest efficiency. 【Keywords】Fuel cell vehicle, Si and SiC power semiconductor devices, Traditional PWM inverter, Z-source inverter (ZSI)
机译：电力电子技术是电动，混合动力，插电式混合动力和燃料电池汽车的关键技术。电力驱动车辆中使用的典型电力电子转换器包括dc / dc转换器，逆变器和电池充电器。诸如碳化硅（SiC）之类的新型半导体材料和诸如Z源逆变器（ZSI）之类的新型拓扑结构具有极大的潜力来改善这些车辆的整体性能。本文在三种不同情况下研究了用于燃料电池汽车的Z源逆变器。 1.具有Si IGBT模块的ZSI； 2.具有混合模块，Si IGBT / SiC肖特基二极管的ZSI；以及3.具有SiC MOSFET / SiC肖特基二极管的ZSI。然后，对这三种情况进行了比较。为了比较，考虑了传导损耗，开关损耗，反向恢复损耗和效率。得出的结论是，由于SiC器件的低损耗特性，SiC器件可以提高逆变器和逆变器电机的效率，并减小系统尺寸和成本。本文还介绍了ZSI与传统的带有SiC器件的PWM逆变器之间的比较。基于此比较，Z源逆变器可产生最高效率。 【关键词】燃料电池汽车； Si和SiC功率半导体器件；传统PWM逆变器； Z源逆变器（ZSI）

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