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首页> 外文会议>Annual IEEE Applied Power Electronics Conference and Exposition >Design and optimization of parallel DC-DC system based on current-driven phase shift full bridge converter
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Design and optimization of parallel DC-DC system based on current-driven phase shift full bridge converter

机译：基于电流驱动相移全桥变换器的并联DC-DC系统的设计与优化

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This paper proposed the design and optimization of parallel DC-DC system for high power applications. A current-driven phase shift full bridge (CD-PSFB) converter with fewer components, lower voltage stress and no snubber is chosen as one of the modules in parallel system and several attractive features that are fit for parallel are analyzed in detail. The amount of CD-PSFB module is first selected for efficiency-optimized purpose, then take advantage of the fast primary-current responding feature of the CD-PSFB, the parallel-current-shared and current-limited control loops design can be improved. Finally, by using the fast energy transportation feature, a load-depended turning-on-and-off strategy for parallel modules is designed to compromise the efficiency and dynamic response of the parallel system. A 2KW prototype is built up to verify the analysis.
机译：本文提出了用于大功率应用的并行DC-DC系统的设计和优化。电流驱动的相移全桥（CD-PSFB）转换器是并联系统中的模块之一，具有更少的组件，更低的电压应力和无缓冲特性，并详细分析了一些适合并联的引人注目的功能。首先选择CD-PSFB模块的数量以优化效率，然后利用CD-PSFB的快速一次电流响应功能，可以改善并联均流和限流控制环路的设计。最后，通过使用快速的能量传输功能，设计了基于负载的并行模块开/关策略，以牺牲并行系统的效率和动态响应。建立了一个2KW的原型来验证分析。

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