A Modified Full Bridge Converter with Magnetic Integration Technique

In this paper, a full bridge converter based on magnetic integration technique has been presented. The input inductor, output inductor and the high frequency isolation transformer of the proposed converter are integrated into one sole magnetic element. Through the analysis, the magnetic integration technique not only improves the power density but also increases the dynamic response of the bridge converter. A 36-V output voltage, 1-kW full bridge converter has been built and tested. Experimental results demonstrated the effectiveness and advantages of the proposed converter. Meanwhile, the similar magnetic integration technique can be widely used in various types of high frequency isolation DC-DC converter topologies.

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