Voltage-fed NPC soft-switching inverter with new space voltage vector modulation scheme

M. Yamamoto, E. Hiraki, H. Iwamoto, S. Sugimoto, I. Kouda, M. Nakaoka
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引用次数: 8

Abstract

This paper presents of digitally-controlled three-level three-phase voltage-fed soft switching inverter with two auxiliary resonant DC link (ARDCL) snubbers which can operate under a condition of zero voltage switching (ZVS). Its operating principle and its related new instantaneous space vector allocation method are proposed and discussed. The feasible performances of the soft switching inverter treated here, which are suitable for high power utilization systems, are illustrated and evaluated as compared with a three-level three-phase hard switching inverter on the basis of simulation and experimental results.
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基于新型空间电压矢量调制方案的馈压型NPC软开关逆变器
本文介绍了一种可在零电压开关(ZVS)条件下工作的带有两个辅助谐振直流链路(ARDCL)缓冲器的数控三电平三相馈压软开关逆变器。提出并讨论了它的工作原理和相关的新的瞬时空间矢量分配方法。在仿真和实验的基础上,通过与三电平三相硬开关逆变器的比较,对适用于高功率利用率系统的软开关逆变器的可行性能进行了说明和评价。
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