基于准三角形开关策略的PWM变换器的设计与性能

Proceedings IPEMC 2000. Third International Power Electronics and Motion Control Conference (IEEE Cat. No.00EX435) Pub Date : 2000-08-15 DOI:10.1109/IPEMC.2000.884579

S. Farshad, Zeng Guohong, Hao Rongtai

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引用次数: 0

摘要

优秀的PWM变换器设计可以减少变换器的不良影响(如开关谐波)。单相拓扑结构通常用于设计三相、三线和四线系统的有源滤波器。本文对三相三线制系统的方程进行了改进，以计算参数的最优值。为了减小开关脉冲的延时，提出了一种准三角形开关策略，并在此基础上给出了三相三线制PWM变换器的设计拓扑。

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Design and performance of the PWM converters based on the quasi-triangular switching strategy

Excellent design of PWM converter can reduce the unwanted effects of the converters (such as switching harmonics). A single-phase topology usually is used for design of the active filters for three-phase, three and four wires systems. The equations are improved for three-phase, three-wire systems to calculate optimal value of the parameters in this paper. A quasi-triangular switching strategy is introduced to reduce the delay time of the switching pulse and a design topology for three-phase three-wires PWM converter is described based on this switching strategy.

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Proceedings IPEMC 2000. Third International Power Electronics and Motion Control Conference (IEEE Cat. No.00EX435)

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