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新型输入并联输出串联直流变换器研究

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Keywords: 输入并联输出串联,直流变压器,功率调节模块,串联谐振移相全桥

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Abstract:

针对直流输电的应用要求,提出了一种新的模块化输入并联输出串联高压变换系统,并对系统的主电路拓扑、控制策略进行分析与讨论.该系统中主要功率变换模块采用直流变压器,开环控制,结构简单;功率调节模块为串联谐振移相全桥结构,采用电流闭环控制;两类模块均为恒频控制;模块间的控制简单,具有较高的灵活性和冗余性.仿真和实验结果验证了方案的可行性.

References

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