发电厂直流系统接地处理  

Grounding Treatment of DC System in Power Plant

作　　者：陈玲 陈吉刚 Chen Ling;Chen Ji-gang

机构地区：[1]新疆阜康市华电新疆公司阜康热电有限公司,新疆阜康831500

出　　处：《电力系统装备》2022年第12期20-22,共3页Electric Power System Equipment

摘　　要：通过对华电阜康热电有限公司变电站(以下简称阜康电厂)直流系统接地的实例进行分析,总结出发电厂、变电站直流系统接地的几种较大原因和应该采取的必要预控措施,以及查找直流系统接地故障时应注意的事项,对直流系统接地故障的查找、排除和查找直流接地故障的技巧进行简单分析,从而提高电力系统直流绝缘能力,提高直流系统的稳定性和机组的安全可靠运行。Based on the analysis of the DC system grounding of the substation of Huadian Fukang Thermal Power Co.,Ltd.(hereinafter referred to as Fukang power plant),this paper summarizes several major reasons for the DC system grounding of the starting power plant and the substation,the necessary pre control measures that should be taken,the matters needing attention when finding the DC system grounding fault,and the skills of finding,eliminating and finding the DC system grounding fault So as to improve the DC insulation capacity of the power system,improve the stability of the DC system and the safe and reliable operation of the unit.

关 键 词：直流系统 绝缘接地 变电站 机组安全 

分 类 号：TM862[电气工程—高电压与绝缘技术]