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Linear control of a power factor correction rectifier in half-bridge configuration

机译:半桥配置中的功率因数校正整流器的线性控制

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This paper presents a detailed analysis of a single phase high power factor boost half-bridge rectifier (RPFU-HBB). The purpose of this work is to achieve a unity power factor with tight-regulated output voltage. Using the experimental prototype for 120 Vrms input voltage, output power 80W and output voltage of 450V; a power factor of 0.99 and total harmonic distortion of 2.5% was obtained. In order to eliminate the unbalance voltage of the two output capacitors a special control scheme was developed. Modeling, theoretical linearization around the operating point of the RPFU-HBB, design considerations of the current controller output voltage by means of average current method and experimental work tested through simulation model RPFU-HBB are presented.
机译:本文对单相高功率因数升压半桥整流器(RPFU-HBB)进行了详细分析。这项工作的目的是在严格调节输出电压的情况下实现单位功率因数。使用实验样机,输入电压为120 Vrms,输出功率为80W,输出电压为450V;功率因数为0.99,总谐波失真为2.5%。为了消除两个输出电容器的不平衡电压,开发了一种特殊的控制方案。提出了建模,RPFU-HBB工作点周围的理论线性化,通过平均电流法设计电流控制器输出电压的注意事项以及通过仿真模型RPFU-HBB进行的实验工作。

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