方景辉,徐俞音,朱晓峰,徐伟明
FANG Jing-hui,XU Yu-yin,ZHU Xiao-feng,XU Wei-ming(Jiaxing Hengchuang Electric Power Design & Research Institute

• 1:嘉兴恒创电力设计研究院

摘要(Abstract)：

为有效提高20 kV配电网供电可靠性,有必要对20 kV母线保护方案加以探索和改进。在分析比较现有20 kV母线保护方案的基础上,提出了电弧光保护方案并阐述了其基本原理和系统组成。结合嘉兴110 kV金沙变电站工程实例,分析探讨了20 kV双单母接线、单母四(六)分段环形接线等3种情况下电弧光保护系统的各种配置方案,得出20 kV母线典型接线方式下最优配置方式。
In order to improve power supply reliability of 20 kV distribution networks,it is necessary to explore and improve 20 kV bus protection scheme.On the base of comparing existing 20 kV bus protection schemes,the paper proposes arc light protection scheme and elaborates on basic principles and system components.In combination with 110 kV Jinsha substation project in Jiaxing,the paper discusses various configuration schemes of arc protection system in case of 20 kV single/double bus and single-bus four(six)-segment annular connection,and it concludes optimal configuration mode in typical connection of 20 kV bus.

关键词(KeyWords)： 20kV;母线;电弧光保护;分段环形接线
20kV;bus;arc light protection;segmented annular connection

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 方景辉,徐俞音,朱晓峰,徐伟明
FANG Jing-hui,XU Yu-yin,ZHU Xiao-feng,XU Wei-ming(Jiaxing Hengchuang Electric Power Design & Research Institute

DOI: 10.19585/j.zjdl.2013.01.007

参考文献(References)：

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• 樊建军.电弧光保护在中低压开关柜和母线保护中的应用[J].内蒙古电力技术,2008,26(2):53-55.