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新型电流型PWM整流器控制技术的研究

Study of new current-source PWM rectifier control technology
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摘要 研究了一种新的具有PWM调制功能的电流型整流器(CSR)的拓扑结构,分析了该电路的工作原理,并对其两种控制技术:正弦脉宽调制(SPWM)技术与空间矢量脉宽调制(SVPWM)技术进行研究。这种拓扑结构结合了传统的三相相控整流器和直流Buck斩波器的优点,实现了单位功率因数,降低了电流谐波含量。 This paper introduces a new topology of a PWM currentsource rectifier ( CSR), analyzes the function of this new PWM rectifier and studies two kind of control technology. This new topology combines the advantages of the traditional six-pulse thydstor rectifier and the DC Buck chopper, which make the new PWM rectifier operate at unity power factor, and low harmonic input current.
机构地区 华北电力大学
出处 《仪器仪表用户》 2009年第1期3-4,共2页 Instrumentation
关键词 PWM整流器 电流型 正弦脉宽调制 空间矢量脉宽调制 PWM rectifier current-source type SPWM SVPWM
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