电网技术 2009, 33(10) 58-62 DOI:     ISSN: 1000-3673 CN: 11-2410/TM

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本文关键词相关文章
特高压变电站
直流系统
配置方案
技术经济比较
本文作者相关文章
PubMed
晋东南1 000 kV变电站直流系统配置方案
燕立,盛志宇
北京国电华北电力工程有限公司,北京市 西城区 100011
摘要

直流系统是为变电站内二次设备提供可靠电源的重要设备,其运行的好坏直接影响变电站乃至电力系统的安全可靠运行。特高压变电站与超高压站相比有直流负荷容量大、二次设备布置分散和直流系统供电距离长的特点。根据晋东南1 000 kV变电站具体情况对直流系统配置方案进行了论证,并通过对多个方案的技术、经济比较,得出了全站配置2套直流系统为最佳方案的结论,并已在工程中实施,获得了较好的效益。

关键词 特高压变电站   直流系统   配置方案   技术经济比较  
Configuration Scheme of DC System for 1 000 kV Southeast Shanxi Substation
YAN Li ,SHENG Zhi-yu
North China Power Engineering (Beijing) Co., Ltd.,Xicheng District,Beijing 100011,China
Abstract:

DC system is an important system that provides DC power sources to all secondary devices of substation, so its operation directly impacts the security and reliability of substation and whole power grid. The capacity of DC load in UHVAC substation is much higher than that in EHVAC substations, the secondary devices in UHVAC substation are dispersively arranged and the power supply distance of DC system in UHVAC substation is much longer than that in EHVAC substation. According to practical condition of 1000kV AC Southeast Shanxi substation, the configuration schemes of its DC system are demonstrated and through the techno-economic comparison of several DC system configuration schemes, the conclusion that in this substation two sets of DC system should be configured is obtained and corresponding scheme is chosen as the optimal scheme and adopted.

Keywords: UHV substation   DC system   configuration scheme   techno-economic comparison  
收稿日期 2009-04-13 修回日期 2009-04-13 网络版发布日期 2009-08-14 
DOI:
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通讯作者: 燕立
作者简介: 燕立(1959—),女,高级工程师,从事变电站电气二次设计工作,E-mail:yanli@ncpe.com.cn; 盛志宇(1971—),男,高级工程师,从事变电站电气二次设计工作。
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