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Modeling and large signal stability analysis for islanded AC-microgrids

机译:孤岛式交流微电网的建模和大信号稳定性分析

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It is well known that the dynamic interaction between Distributed Generators (DG) and loads in a microgrid (MG) results to unstable behavior depending on the type of load being connected. Stability of AC-MG is influenced by high penetration of tightly regulated power converters used to interface distributed resources and loads. In this case, load converters behave as constant power loads (CPL) and introduce a negative incremental resistance feature which reduces the system stability. The objective of this paper is to address the Large-Signal stability analysis of AC microgrid and to understand the effect of each type of load in MG stability.
机译:众所周知,分布式发电机(DG)与微电网(MG)中的负载之间的动态相互作用会导致不稳定的行为,具体取决于所连接负载的类型。 AC-MG的稳定性受用于连接分布式资源和负载的严格调节功率转换器的高渗透率的影响。在这种情况下,负载转换器的作用相当于恒定功率负载(CPL),并引入了负增量电阻功能,从而降低了系统稳定性。本文的目的是解决交流微电网的大信号稳定性分析,并了解每种负载对MG稳定性的影响。

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