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高压电器  2014 

串联补偿型限流器对10 kV配电系统的影响研究

, PP. 24-29

Keywords: 故障限流器,单机无穷大系统,串联补偿,暂态稳定

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Abstract:

文中围绕10kV配电网系统,主要研究了一种串联补偿型故障限流器对电力系统的影响,该限流器由主回路串联的电容电感、与电容并联的金属氧化物避雷器、阻尼回路、反并联晶闸管以及旁路开关组成。文中首先介绍了其拓扑图和工作原理,接着理论分析了该限流器对单机无穷大系统的影响,然后在建立的仿真模型的基础上,分别研究了在正常工作状态下以及短路状态下限流器对系统的影响。通过理论分析和MATLAB/Simulink对系统进行仿真,研究表明该限流器在正常工作时可以改善电能质量,提高线路传输能力;在短路故障时能够起到限制短路电流的作用,提高暂态稳定性。

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