Average current mode control of series-switching post-regulators used in power factor correctors

被引：16
|
作者：
Villegas, PJ [1 ]
Sebastián, J [1 ]
Hernando, M [1 ]
Nuño, F [1 ]
Martínez, JA [1 ]
机构：
[1] Univ Oviedo, Dept Engn Elect Elect Comp & Sistemas, E-33204 Gijon, Spain
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2000年 / 15卷 / 05期
关键词：
fast regulation of the output voltage; high-quality rectifiers; postregulators; power-factor correctors;
D O I：
10.1109/63.867669
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The application of the average current mode control (ACMC) to a new type of very efficient post-regulators is studied in this paper. This post-regulator, called series-switching post-regulator (SSR), has recently been proposed to improve the dynamic response series-switching of power factor correctors (PFC), The post-regulator exhibits very high efficiency due to the fact that only a part of the total power undergoes a power conversion process. Using ACMC, the bandwidth of the post-regulator increases in relation to the one obtained when a conventional voltage-mode control (with or without feedforward) is used. As a result, the attenuation of the Input voltage ripple (100-120 Hz) increases and, a lower bulk capacitor can be used to obtain a low voltage ripple at the output, which is extremely important when a battery is connected at the output. This is rather common in distributed power supply systems.
引用
收藏
页码：813 / 819
页数：7
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