大容量直流融冰兼网省协调无功补偿装置的集成与应用  

The integration and application of large capacity DC ice melting and static var compensation device with network provincial coordination

作　　者：陈忠 季坤[2] 罗沙[2] 张俊杰 程登峰 操松元 Chen Zhong;Ji Kun;Luo Sha;Zhang Junjie;Cheng Dengfeng;Cao Songyuan(Electric Power Research Institute of State Grid Anhui Electric Power Company,Hefei 230022,China;State Grid Anhui Electric Power Company,Hefei 230061,China;State Grid Anhui Maintenance Company,Hefei 230061,China)

机构地区：[1]国网安徽省电力公司电力科学研究院,合肥230022 [2]国网安徽省电力公司,合肥230061 [3]国网安徽省电力公司检修公司,合肥230061

出　　处：《电测与仪表》2018年第20期137-141,共5页Electrical Measurement & Instrumentation

摘　　要：500 kV官山变固定式直流融冰兼无功补偿装置主电路为无换流变的6脉波桥式拓扑,网侧电抗器采用油浸式铁心结构,兼作无功补偿模式下的相控电抗器。该装置在无功补偿模式下直接接入华东网调电压自动控制系统,接受无功指令调度运行。文中介绍了该套装置的基本参数、拓扑重构方案、融冰线路切换系统、无功网省协调机制。给出了典型运行模式下的控制策略,并且结合现场运行数据对该套装置在架空输电线路融冰、无功补偿方面的应用效果进行了分析。The main circuit topology of fixed DC ice melting and reactive power compensation device in 500 kV Guanshan station is a 6-pulse bridge without converter transformer.The type of grid-side reactor is oil-filled iron core,also serves as phase controlled reactor in reactive power compensation mode.The device is directly accessed by the automatic voltage control system of East China Grid Company,and accepts scheduled command during reactive power compensation mode.The basic parameters,topology reconstruction scheme,ice melting line switching system,and reactive coordination mechanism between East China Grid Company and provincial grid company are introduced in this paper.The control scheme in typical operating mode is also described,and combined with field operating data,the effect of the device in overhead power transmission lines ice melting and reactive power compensation are analyzed.

关 键 词：大容量 直流融冰 静止无功补偿 500KV变电站 AVC 

分 类 号：TM461[电气工程—电器] TM732