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Z-source matrix rectifier

机译:Z源矩阵整流器

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摘要

This study presents a novel Z-source matrix rectifier (ZSMR). To overcome the inherent disadvantage that the voltage transfer ratio for traditional matrix rectifier (MR) cannot be more than 0.866, a Z-source network has been combined with the MR. The proposed rectifier realises a voltage-boost function and the Z-source network also serves as power storage and guarantees double filtration grade at the output of the rectifier. The open-circuit zero state is required to obtain the voltage-boost function and ensure the output angle of the current vector to be invariant to obtain the expected power factor. In addition, to widely extend the voltage transfer ratio of the proposed rectifier, this study presents the switched-inductor matrix rectifier (SL-ZSMR) and tapped-inductor matrix rectifier (TL-ZSMR). The corresponding circuit topologies, control strategies and operating principles are introduced. Both simulation and experimental results are shown to verify the theoretical analysis.
机译:这项研究提出了一种新颖的Z源矩阵整流器(ZSMR)。为了克服固有的缺点,即传统矩阵整流器(MR)的电压传输比不能超过0.866,已将Z源网络与MR组合在一起。提出的整流器实现了升压功能,Z源网络也用作电力存储,并保证了整流器输出的双重过滤等级。需要开路零状态以获得升压功能并确保电流矢量的输出角不变以获得期望的功率因数。此外,为广泛扩展建议的整流器的电压传输比,本研究提出了开关电感矩阵整流器(SL-ZSMR)和抽头电感矩阵整流器(TL-ZSMR)。介绍了相应的电路拓扑,控制策略和工作原理。仿真结果和实验结果均证明了理论分析的正确性。

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