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双极性直流微电网的小信号稳定性评估与交互分析

Small-Signal Stability Assessment and Interaction Analysis for Bipolar DC Microgrids

语言:

中文摘要

双极性直流微电网因其高可靠性和高效率而备受关注。然而,由于三线制直流配电结构及大量电力电子变换器的接入,其稳定性分析较传统单极性直流微电网更为复杂。本文针对双极性直流微电网的小信号稳定性评估及变换器间的交互影响进行了深入研究。

English Abstract

Bipolarity in dc microgrids is desirable as it enhances the system's reliability and efficiency. However, the stability assessment for a bipolar dc microgrid is challenging due to the integration of a three-wire dc distribution line and numerous connected power converters, which is different from the stability analysis of a conventional unipolar dc microgrid. In this article, the basic form is arr...
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SunView 深度解读

该研究对阳光电源的储能系统(如PowerTitan、PowerStack)及微电网解决方案具有重要参考价值。随着直流微电网应用场景的增加,双极性拓扑在提升系统可靠性方面优势明显。阳光电源的PCS产品在接入此类复杂直流系统时,需重点优化下垂控制策略及阻抗匹配设计,以抑制多变换器并联带来的谐振与交互失稳风险。建议研发团队利用该文的小信号建模方法,针对公司PCS产品在双极性直流母线下的稳定性进行仿真验证,提升产品在复杂微电网环境下的并网适应性。