换流站无功计算方法优化研究  

Research on Optimization of Reactive Power Calculation Method for Converter Station

作　　者：陈明佳 李晓霞 黄松强 章功辽 CHEN Mingjia;LI Xiaoxia;HUANG Songqiang;ZHANG Gongliao(Liuzhou Bureau,EHV Power Transmission Company,Liuzhou 545026,China)

机构地区：[1]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545026

出　　处：《电工技术》2021年第13期95-97,100,共4页Electric Engineering

摘　　要：针对金中直流工程桂中换流站直流输电系统运行期间交流母线电压超过调度设定上限(536/535 kV)及站内35 kV低抗长期全部投入的情况进行统计分析,对直流系统无功控制功能及无功计算方式进行梳理,探讨桂中换流站无功计算方法的合理性,给出了无功控制优化方案,并总结换流站无功控制策略设计时应注意的问题。The situation where the AC bus voltage exceeds the upper limit set by dispatching(536/535 kV)during the operation of the DC transmission system of the Guizhong converter station of the Jinzhong HVDC project and the long-term full input of 35 kV low impedance in the station are analyzed.The reactive power control functions and reactive power calculation methods of the DC system are summarized,and the rationality of the reactive power calculation methods for the Guizhong converter station is discussed.The optimization scheme of reactive power control is given,and the problems that should be paid attention to in the design of reactive power control strategy of converter station are summarized.

关 键 词：直流输电 无功交换计算 交流母线电压控制 

分 类 号：TM761[电气工程—电力系统及自动化]