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电网技术  2012 

基于可控串补的故障限流器

, PP. 53-57

Keywords: 故障限流器,串联补偿,柔性交流输电

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Abstract:

研究了一种基于可控串补结构的故障限流器,可对电网进行功率控制并在故障时降低短路电流水平。该故障限流器主要由并联电容、并联电感、反并联晶闸管和与开关并联的串联电感构成。开关用于装置在串补和限流模式间进行切换,装置正常工作时运行于串补模式,故障时迅速切换到限流模式运行,有效限制短路电流。该装置在原有串补装置上改动较少,可为现有设备增加故障限流功能做参考。通过Matlab/Simulink软件对系统进行仿真研究,结果表明此装置能够控制功率并限制短路电流,是电力系统中可靠的保护和控制装置。

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