背靠背直流输电技术及其在鲁西异步联网工程中的应用  

Technology of Back-to-Back DC Transmission System and Its Application in Luxi Asynchronous Interconnection Project

作　　者：杨柳 朱喆 侯婷 卢毓欣 许树楷 刘涛 YANG Liu;ZHU Zhe;HOU Ting;LU Yuxin;XU Shukai;LIU Tao(State Key Laboratory of HVDC,Electric Power Research Institute,CSG,Guangzhou 510663,China)

机构地区：[1]直流输电技术国家重点实验室(南方电网科学研究院),广州510663

出　　处：《南方电网技术》2018年第4期1-6,共6页Southern Power System Technology

摘　　要：背靠背直流输电技术可用于异步电网互联,文章介绍了背靠背直流输电系统的特点及世界上已投运的背靠背直流输电工程的情况。结合南方电网的首个背靠背直流工程——云南电网与南网主网鲁西背靠背直流异步联网工程(简称鲁西异步联网工程),介绍了常规直流与柔性直流组合的系统方案,包括单元接线方式、主要运行方式、主设备参数、换流站占地面积等,最后总结了鲁西异步联网工程的关键技术及创新点。Back-to-back DC transmission technology can be used in the interconnection of asynchronous grids.The characteristics of back-to-back DC transmission system and its applications in the world are introduced in the paper.Asynchronous interconnection back-to-back HVDC project between Yunnan Grid and the main grid of China Southern Power Grid(CSG)is the first asynchronous interconnection HVDC project in CSG.The system schemes,including unit connection modes,main operation modes,main devices parameters and land area of converter station are presented.Finally,the key technologies and innovation points of the asynchronous interconnection project are summerized.

关 键 词：背靠背直流输电 异步联网工程 接线方式 运行方式 主设备参数 

分 类 号：TM721[电气工程—电力系统及自动化]