一种新型陷波换相3- phi PWM逆变器的最佳调制策略

Conference Record of the 1991 IEEE Industry Applications Society Annual Meeting Pub Date : 1991-09-28 DOI:10.1109/IAS.1991.178332

V. Agelidis, P. Ziogas, G. Joós

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引用次数: 25

摘要

讨论了直流端整流零电压开关(ZVS) PWM 3- Phi VSI拓扑结构。该拓扑结构由一个典型的六开关桥接和一个简单的直流母线换向子电路组成，该子电路可以根据需要提供跨逆变器直流母线的零伏间隔软开关。这项工作的目的是确定一种特定的PWM技术，该技术与所提出的ZVS方案相结合，可以提供最佳的整体转换器开关性能。此外，将逆变器拓扑结构与所提出的调制策略相结合，可在尽可能低的开关频率下产生软开关环境

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An optimum modulation strategy for a novel notch commutated 3- phi PWM inverter

A DC-side commutated zero voltage switching (ZVS) PWM 3- Phi VSI topology is discussed. This topology consists of a typical six-switch bridge with the addition of a simple DC bus commutating subcircuit which can provide, on demand, the necessary for soft switching zero-volt interval across the inverter DC bus. The objective of this work is to identify a specific PWM technique which, in combination with the proposed ZVS scheme, can provide optimum overall converter switching performance. Moreover, the combination of the inverter topology and the modulation strategy proposed yields a soft switching environment at the lowest possible switching frequency.<>

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Conference Record of the 1991 IEEE Industry Applications Society Annual Meeting

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