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电网技术  2012 

特高压输电线路用新型TCSC方案及其控制策略研究

, PP. 73-80

Keywords: 可控串补,阀控电抗器,均流,阻抗控制,幅值相等控制

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Abstract:

为了在1000kV特高压输电线路或有较大额定电流的750kV输电线路上加装可控串补(thyristorcontrolledseriescompensation,TCSC),解决目前TCSC中所需晶闸管阀通流能力不足的问题,提出了一种基于双阀控电抗器(thyristorcontrolledreactance,TCR)支路并联的TCSC实现方案,并对其控制策略进行了研究。通过对幅值相等控制策略下双TCR支路TCSC进行数学建模,设计了相应的阻抗控制环节和幅值相等控制环节,实现了相应的控制目标。仿真结果表明,提出的TCSC实现方案及其控制策略可行,适用于工程应用。

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