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电网技术  2009 

基于RTDS的“1.15”高肇直流极2闭锁事故仿真

, PP. 30-35

Keywords: 电力系统仿真,高压直流输电,闭锁故障,实时数字仿真器(RTDS)

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Abstract:

基于实时数字仿真器(realtimedigitalsimulator,RTDS)搭建了仿真模型,并将RTDS与实际直流输电控制及保护装置连接,建立了交直流混合系统实时仿真实验平台。在此基础上,针对“1.15”高肇直流极2闭锁事故进行了仿真研究,成功地再现了实际故障过程,并分析了事故发生的真正原因直流极控装置误将瞬时故障检测为永久故障,终止直流线路重启;并提出了合理的改进措施修改极控装置中接地检测故障装置和直流线路重启去游离时间。

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