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Stability Analysis of AC Microgrids Using Incremental Phasor Impedance Matching

机译:基于增量相量阻抗匹配的交流微电网稳定性分析

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摘要

The concept of a microgrid is emerging to be a technically viable approach for meeting reliable supply of electricity with increased availability in the presence of large-scale grid disturbances induced by severe weather events, as well to integrate various types of electricity sources and storage devices close to consumer loads. The existing approaches to studying and ensuring the stability of microgrids are largely incapable of providing the structural certainty to promote true plug-and-play operation, particularly with changing network conditions. Thus, there is a need and an opportunity to develop a stability criterion that can truly promote the plug-and-play capabilities of a microgrid. This article proposes a novel stability criterion that uses an impedance matching approach in a microgrid environment. Analytical and simulation results show stability boundaries that can be used in the grid-tied and islanded cases.
机译:微电网的概念正在成为一种技术上可行的方法,该方法可在恶劣天气事件引起的大规模电网干扰的情况下满足可靠的电力供应并提高可用性,并集成各种类型的电源和存储设备。到消费者的负担。研究和确保微电网稳定性的现有方法在很大程度上不能提供结构上的确定性,以促进真正的即插即用操作,尤其是在网络条件不断变化的情况下。因此,需要并且有机会开发可以真正提高微电网的即插即用能力的稳定性标准。本文提出了一种新的稳定性标准,该标准在微电网环境中使用阻抗匹配方法。分析和仿真结果表明,可以在并网和孤岛情况下使用的稳定性边界。

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