广州换流站直流保护系统运行情况分析  

Operational analysis of DC protection system in Guangzhou converter station

作　　者：朱韬析 汲广 毛海鹏 

机构地区：[1]南方电网超高压输电公司广州局,广东广州510405

出　　处：《电力系统保护与控制》2009年第21期36-40,共5页Power System Protection and Control

摘　　要：直流保护系统是直流输电系统中最重要的设备之一,总结了天广直流输电系统广州换流站直流保护系统的运行经验,介绍了运行中发生的典型异常及采取的改进措施,讨论了一些在运行中暴露出来的设计、制造方面的问题,这不但有助于提高运行维护水平,确保直流输电系统的安全稳定运行,还为未来直流输电工程的实施和改造,提供了有益的参考。DC protection system is one of the most important equipments in HVDC transmission system. In this paper, the operational experience of DC protection system in Guangzhou converter station is concluded, the primary abnormity and the reconstruction in operation are analyzed, then, some questions of design and manufacture which exposed in operation are discussed. All above are not only valuable to improve the ability of operation and maintenance to insure the safety and the reliability of HVDC system, but also benefit to improve the design, commissioning and operation level of HVDC power transmission projects in China in the future.

关 键 词：天广直流输电系统 直流保护系统 运行经验 

分 类 号：TM77[电气工程—电力系统及自动化] TM721.1