Suzhou Electric Appliance Research Institute
期刊号: CN32-1800/TM| ISSN1007-3175

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1 000 kV特高压串补控保系统CT取能异常分析

来源:电工电气发布时间:2019-09-19 09:19 浏览次数:531
1 000 kV特高压串补控保系统CT取能异常分析
 
刘天佑,黄健金,张文杰,王恩钢,毕凯,贺盼盼
(国网河南省电力公司检修公司,河南 郑州 450052)
 
    摘 要:基于特高压南阳站长南Ⅰ线串补控保B系统CT取能异常事件,分析了特高压串补控制保护系统组成及平台测量箱的取能方式,对事件概况及现场情况进行了描述,通过理论分析和现场检查,指出此次事故的原因是串补平台上CT取能系统故障导致非功能性切换为地面激光送能。通过此次分析为其他厂站处理类似问题积累了理论基础和实际经验。
    关键词:串补平台;CT取能;地面激光送能
    中图分类号:TM721.2       文献标识码:B       文章编号:1007-3175(2019)09-0039-04
 
Abnormal Analysis of CT Energy Absorption of 1 000 kV UHV Series Compensation Control and Protection System
 
LIU Tian-you, HUANG Jian-jin, ZHANG Wen-jie, WANG En-gang, BI Kai, HE Pan-pan
(Maintenance Company of Henan Electric Power Corporation, Zhengzhou 450052, China)
 
    Abstract: Based on the UHV Nanyang Station Changnan line series compensation control B system CT energy anomaly event, this paper analyzed the composition of UHV series compensation control and protection system and the energy-receiving mode of platform measuring trunk, and described the event survey and local situation. Through theoretical analysis and on-site inspection, it is pointed out that the cause of the accident is that the CT energy-carrying system failure on the series-compensated platform causes non-functional switching to ground laser energy transmission, which accumulates the theoretical and practical experience for the similar problems processed in other working station.
    Key words: series compensation platform; CT energy-receiving; ground laser sending energy
 
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