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Industrial Instrumentation ＆ Automation. 2015, (05)

Line overvoltage suppression strategy research based on VSC-HVDCChinese Full Text

LI Xiaolong;China Energy Engineering Group Xinjiang Electric Power Engineering Company Limited;

Abstract: This paper analyzes the formation mechanism of the no-load line capacitance effect produce power frequency overvoltage and switching operating over-voltage. On the basis of this puts forward the use of networking of VSC-HVDC inhibit both overvoltage control strategy. Established the mathematical model of VSC-HVDC start no-load long lines,the VSC directly start with the flexible start two start mode start no-load long lines using PSCAD / EMTDC simulation. 
Keywords：

high-voltage direct current transmission; no-load line capacitance effect; operating over-voltage; networking of VSC-HVDC;

  • Series：

    (C) Architecture/ Energy/ Traffic/ Electromechanics, etc

  • Subject：

    Electric Power Industry

  • Classification Code：

    TM721.1;TM75

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