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用于提高级联型电源系统稳定性的自适应有源电容变换器

, PP. 23-32

Keywords: 级联型系统,稳定,自适应型有源电容变换器

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Abstract:

级联结构是直流分布式供电系统中常见的结构之一,然而,系统中各个子系统/模块之间的交互可能会引起整个系统的不稳定。本文阐述了级联型系统不稳定问题的本质原因,在此基础上提出了用于提高级联型电源系统稳定性的自适应型有源电容变换器,具体讨论了该变换器的物理意义,工作原理和参数设计,对一个120W、不稳定的Buck-Buck级联型系统进行实验,验证了有源电容变换器的正确性。

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