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基于ESAC标准的分布式电源系统稳定裕度监控

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Keywords: ESAC标准,分布式电源系统,稳定裕度监控,扰动电流,Buck变换器

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Abstract:

提出了一种基于ESAC(EnergySystemsAnalysisConsortium)标准的分布式电源系统稳定裕度监控方法,推导出当分布式电源系统不满足稳定裕度要求时,源级开关电源输出阻抗与负载级开关电源输入阻抗之间的约束关系。在此基础上,利用外加小信号电流扰动法实现了基于ESAC标准的分布式电源系统稳定裕度监控,并给出了具体实现电路。最后,以双Buck级联分布式电源系统为例,通过仿真证实了该监控方法的可行性与优越性。

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