地铁供电系统无功特性分析与补偿设计  

Characteristics Analysis of Reactive Power for Metro Power Supply System and Its Compensation Design

作　　者：周方圆[1] 黄燕艳[1] 龙礼兰[1] 周靖[1] 邱文俊[1] 

机构地区：[1]株洲变流技术国家工程研究中心有限公司,湖南株洲412001

出　　处：《大功率变流技术》2011年第4期9-12,69,共5页HIGH POWER CONVERTER TECHNOLOGY

摘　　要：介绍了地铁供电系统的主要构成,并建立了等效负荷模型;重点分析了地铁供电系统负荷的无功特性及其对电网的主要影响,并设计出相应的补偿方案;最后以某城市地铁工程的无功补偿为案例对该补偿方案进行验证,证实其效果良好。It introduces the main structure of metro power supply system and builds up its equivalent loads model.With the typical analysis of reactive power compensation characteristics of the loads for metro power supply system and its main effects to the grid,a compensation strategy of reactive power is proposed accordingly.The strategy is verified by taking the reactive power compensation of an urban metro project as an example and the result is well.

关 键 词：地铁供电系统 无功补偿 谐波 容性电流 

分 类 号：U231.8[交通运输工程—道路与铁道工程] TM714[电气工程—电力系统及自动化]