特高压柔性直流换流阀启停过程阀控自检功能缺陷及优化方法卢堃,周世威(中国南方电网有限责任公司超高压输电公司柳州局,广西柳州545000)摘要:在当今的输电技术中,柔性直流输电技术已经成为一种主流技术形式。而在柔性直流输电技术的具体应用中,柔性直流换流阀阀控是其核心部分。首先介绍了柔性直流换流阀阀控系统结构,然后针对阀控系统的全链路试验系统架构进行介绍,同时阐释了特高压柔性直流换流阀启停过程阀控自检功能及阀控旁路模块逻辑。通过开展柔性直流换流阀的阀控系统自检功能试验,验证阀控系统自检功能的正确性与可靠性,同时针对试验中所出现的问题,对阀控系统自检功能提出优化方案,从而实现阀控系统可靠性的提升。关键词:柔性直流输电技术;阀控系统;自检功能中图分类号:TM721.1DOI:10.19768/j.cnki.dgjs.2022.24.045DefectsandOptimizationMethodsofValveControlSelf-CheckingFunctionintheStart-StopProcessofUHVFlexibleDCConverterValvesLUKun,ZHOUShiwei(LiuzhouBureauofEHVPowerTransmissionCompany,ChinaSouthernPowerGridCo.,Ltd.,Liuzhou545000,China)Abstract:Intoday'stransmissiontechnology,flexibleDCtransmissiontechnologyhasbecomeamainstreamtechnologyform.InthespecificapplicationofflexibleDCtransmissiontechnology,thevalvecontrolofflexibleDCconvertervalveisitscorepart.Firstly,thestructureoftheflexibleDCconvertervalvecontrolsystemisintroduced.Then,thefulllinktestsystemarchitectureofthevalvecontrolsystemisintroduced,andthevalvecontrolself-testfun...