PFC变换器的一种新型恒频迟滞电流控制

Industrial Electronics, 2002. ISIE 2002. Proceedings of the 2002 IEEE International Symposium on Pub Date : 2002-07-08 DOI:10.1109/ISIE.2002.1025934

Koste Glavinica

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引用次数: 15

摘要

提出了一种适用于单相开关整流器连续导通模式的自适应磁滞(近)恒频电流控制技术。它基于逐周迟滞计算器，产生一个迟滞窗口，使开关频率保持在以编程平均值为中心的一个很窄的频带内。精度仍然很好，纹波内容允许使用比平时更小的输入滤波器，由于缺乏单频峰值。给出了在700W变换器上的实验结果，并与常规控制进行了比较。

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A novel constant-frequency hysteresis current control of PFC converters

A novel adaptive-hysteresis (nearly) constant-frequency current control technique for single-phase switchmode rectifiers operating in continuous conduction mode is presented. It is based on cycle-by-cycle hysteresis calculator, which generates the hysteresis window that will keep the switching frequency in a very narrow band centered around programmed average value. The accuracy remains excellent, and the ripple content allows the use of a smaller input filter than usual, due to a lack of the single frequency peak. Experimental results on a 700W converter are presented and compared to the convention control.

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来源期刊

Industrial Electronics, 2002. ISIE 2002. Proceedings of the 2002 IEEE International Symposium on

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