Single phase unity power factor control for dual active bridge converter

Conference Record of the 1993 IEEE Industry Applications Conference Twenty-Eighth IAS Annual Meeting Pub Date : 1993-10-02 DOI:10.1109/IAS.1993.299007

M. Kheraluwala, R. W. D. Doncker

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引用次数: 84

Abstract

An AC line fed switching power supply with a single power converter stage is described which operates with high input power factor while maintaining good regulation of the desired output DC voltage. The single-power converter is a dual active bridge DC-to-DC power converter (DABC), comprising high-frequency transformer-coupled input and output bridge converters. The DABC receives a rectified AC line voltage via a diode-bridge rectifier connected to a small, high-frequency filter capacitor. The two active bridges, generating edge-resonant square waves at their transformer terminals, appropriately phase-shifted from each other to simultaneously perform the high-efficiency DC output regulation while maintaining unity power factor at the AC input. The soft-switching nature of the converter allows increased performance (in terms of efficiency and stresses) and reduction in size/weight at operating frequencies in the range of 50-250 kHz. Simulations, and experimental results are presented to corroborate the analysis.<>

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双有源桥式变换器单相单位功率因数控制

描述了一种具有单功率变换器级的交流线路馈电开关电源，该电源在高输入功率因数下工作，同时保持所需输出直流电压的良好调节。单功率变换器是一种双有源桥式dc - dc功率变换器(DABC)，包括高频变压器耦合输入和输出桥式变换器。DABC通过连接到小高频滤波电容的二极管桥式整流器接收整流交流线电压。两个有源桥在其变压器端产生边缘谐振方波，适当地相互相移，同时进行高效率的直流输出调节，同时保持交流输入的统一功率因数。转换器的软开关特性允许在50-250 kHz范围内的工作频率下提高性能(在效率和应力方面)并减小尺寸/重量。仿真和实验结果证实了分析的正确性。

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Conference Record of the 1993 IEEE Industry Applications Conference Twenty-Eighth IAS Annual Meeting

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