±660kV直流输电系统单极运行方式下过电压研究  

Research of the overvoltage under the way of monopolar operation in ±660 kV DC power transmission system

作　　者：周宗川[1] 王勇[2] 田蓓[3] 

机构地区：[1]宁夏电力公司经济技术研究院,宁夏银川750011 [2]宁夏电力公司石嘴山供电局,宁夏石嘴山753600 [3]宁夏电力公司电力科学研究院,宁夏银川750011

出　　处：《宁夏电力》2011年第2期1-6,70,共7页Ningxia Electric Power

摘　　要：以宁夏电网2010年宁东-山东±660 kV直流输电系统单极运行方式为基础数据,应用电力系统全数字仿真系统(ADPSS),建立包含直流输电工程在内的局部电磁暂态模型,通过机电-电磁混合仿真计算,研究当发生交流故障、直流故障时,系统各中枢点电压情况、主要输电线路功率变化情况、直流系统电压情况以及直流线路功率变化情况,重点对直流附近区域过电压的情况进行分析。On the basis of the basic data of Ningdong to Shandong ±660 kV DC power transmission system monopolar operation in Ningxia Power Grid in 2010,applying Advanced Digital Power Simulator System（ADPSS）,establishes the partial electro-magnetic transient model including DC power transmission project,through the electromechanical and electromagnetic hybrid simulation calculates,studies when system appears AC and DC failures,the voltage situation of each backbone point,the power varying situation of the main transmission line,the varying situation of DC system voltage and DC line power,emphatically analyzes the situation of overvoltage near DC area.

关 键 词：±660kV 电力系统全数字仿真系统 机电-电磁混合仿真 过电压 

分 类 号：TM743[电气工程—电力系统及自动化]