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基于不定频滞环的SVPWM的电流控制 被引量:1

SVPWM Current Control Based on Indeterminate Frequency Hysteresis
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摘要 针对现有滞环控制策略存在的不足,提出一种不定频滞环的SVPWM电流控制方式。它主要是将滞环控制与SVPWM控制相结合,通过三相PWM电压型整流器(VSR)空间电压矢量的实时切换,将电流限制在一个给定滞环内,从而获得电流的高品质控制。介绍了此控制策略的原理,并在Simulink上进行建模仿真,得到的结果证明不定频滞环策略可行。 Against the shortcomings of present hysteresis control, this paper proposes a method oi space vector pulse width modulation(SVPWM) current control based on indeterminate frequency hysteresis.This controUing project combines SVPWM controlling with hysteresis controlling.With switching of three-phase PWM voltage source rectifier(VSR) space voltage vector,the current is limited within a given hyteresis for coming ture current high-quality control.This paper introduces the principle of the control strategy and modeling and simulation in Simulink, simulation results verify the feasibility of this strategy.
出处 《电力电子技术》 CSCD 北大核心 2013年第2期79-81,共3页 Power Electronics
关键词 整流器 电流控制 空间矢量脉宽调制 不定频滞环 rectifier current control space vector pulse width modulation indeterminate frequency hysteresis
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