高压直流输电系统强迫停运分析与运维措施  

Analysis & Operation-maintenance on Block in HVDC Transmission System

作　　者：程爽[1] 马骥峰[1] 梅筠颋[1] 江德明[1] 

机构地区：[1]上海市电力公司检修公司直流运检中心,上海201708

出　　处：《电力与能源》2012年第6期526-530,534,共6页Power & Energy

摘　　要：介绍了换流站直流系统强迫停运的概念、葛南直流强迫停运的分类和执行过程。以葛南直流为例,分析了2003—2011年期间,南桥站历年来发生强迫停运的简要过程及主要原因。以各类强迫停运事件为案例,讨论了有关换流设备的隐患以及可能引起强迫停运的事故,并结合多年的运行与维护经验,对如何避免发生直流系统强迫停运,提出了运维注意事项及改进意见。Introduce the concept of block in station of HVDC, the classification and process of block with the Gezhouba- Nanqiao HVDC. As the example of Gezhouba-Nanqiao HVDC, analyzes the reason and course of block with the HVDC from 2003 to 2011 in Nanqiao Station. As the cases of different kinds of block, hidden troubles of equipments of HVDC are discussed. Also some useful operation-maintenance suggestions are discussed.

关 键 词：直流输电HVDC 换相失败 紧急停运ESOF 单极闭锁 双极闭锁 

分 类 号：TM721.1[电气工程—电力系统及自动化]