基于对偶原理构造三相电流型多电平逆变器拓扑
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国家自然科学基金(51277164);浙江省自然科学基金资助项目(Y1111002)

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Construction of Three-Phase Multi-Level Current-Source Inverter Topologies Based on Dual Principle
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    摘要:

    受三相逆变器拓扑图非平面性的制约,很难直接运用对偶原理实现三相电压型逆变器拓扑与三相电流型逆变器拓扑之间的相互转换。为充分利用三相电压型多电平逆变器的研究成果以便构造三相电流型多电平逆变器拓扑,文章探讨了针对三相电压型二电平逆变器的两种拓扑图平面化处理方法,并分析了用于构造三相电流型多电平逆变器拓扑的可行性。在三相飞跨电容箝位电压型多电平逆变器拓扑基础上,通过增加一个独立电压源获得其平面化的等效电路,并以此作为原始拓扑利用对偶原理提出了一种新型的三相电流型多电平逆变器拓扑。采用多载波 SPWM 技术对该类逆变器的正确性与合理性进行了仿真验证。

    Abstract:

    Due to the non-planarity of topological graphs for three-phase inverters, it is hard to construct three-phase current-source inverter (CSI) topologies from three-phase voltage-source inverter (VSI) topologies by using dual transformation. In order to form the multilevel CSI topology by making full use of the research findings of the three-phase multilevel VSI, two planar methods of treating with topological graphs of three-phase two-level voltage-source inverter topologies were discussed, and the feasibilities to construct three-phase multilevel CSI topologies by applying such methods were analyzed. By adding an extra voltage-source to the three-phase flying-capacitor multilevel VSI, an equivalent circuit topology with planarity was obtained, and a new kind of three-phase multilevel CSI topology was proposed through the dual transformation in this paper. Lastly, the multi-carrier sinusoidal pulse width modulation (SPWM) technique was adopted to verify the correctness and rationality of such multilevel CSI topology by simulation.

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引文格式
鲍建宇,鲍卫兵,李玉玲.基于对偶原理构造三相电流型多电平逆变器拓扑 [J].集成技术,2014,3(5):76-84

Citing format
BAO Jianyu, BAO Weibing, LI Yuling. Construction of Three-Phase Multi-Level Current-Source Inverter Topologies Based on Dual Principle[J]. Journal of Integration Technology,2014,3(5):76-84

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  • 在线发布日期: 2014-09-25
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