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首页> 外文会议>Annual Conference of the IEEE Industrial Electronics Society >Novel modulation strategy based on generalized two-level PWM theory for nine-switch inverter with reduction of switching commutation
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Novel modulation strategy based on generalized two-level PWM theory for nine-switch inverter with reduction of switching commutation

机译：基于广义两电平PWM理论的九开关逆变器的减少开关换向的新型调制策略

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摘要

Switching power loss is a key issue in power electronic conversion systems. This paper presents a development of the modulation strategy for the reduced-switch topology of the nine-switch inverter, based on the generalized two-level space vector modulation (SVM) for the simplicities of mathematical algorithm and implementation. Unlike the conventional strategy, the proposed modulation strategy can further reduce the switching commutation of the nine-switch inverter with the elimination of a heavy switching in the middle switches for all the continuous SVM (CSVM) and discontinuous SVM (DSVM) schemes, and the development of the reduced switching utilization of all the DSVM schemes, as it has a significant improvement on the power conversion efficiency. To verify this idea, simulation and experimental analyses are presented.
机译：开关功率损耗是功率电子转换系统中的关键问题。基于简化的数学算法和实现，本文基于广义两级空间矢量调制（SVM），提出了九开关逆变器降压开关拓扑的调制策略的发展。与常规策略不同，对于所有连续SVM（CSVM）和不连续SVM（DSVM）方案，建议的调制策略可进一步消除中间开关中的繁重开关，从而进一步减少了九开关逆变器的开关换向，并且开发了所有DSVM方案的降低的开关利用率，因为它在功率转换效率上有了显着的提高。为了验证这个想法，提出了仿真和实验分析。

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