电力系统接地技术研究进展  

Progress of Study on Grounding Technology of Modern Power System

作　　者：何金良[1] 曾嵘[1] 高延庆[1] 

机构地区：[1]清华大学,北京市100084

出　　处：《电力建设》2004年第6期1-3,7,共4页Electric Power Construction

摘　　要：发、变电站接地系统是保证设备与人身安全 ,维护电力系统可靠运行的重要措施。资料表明 ,国内外近年来由于接地不良 ,造成事故扩大 ,导致系统停运、设备损坏的例子是不少的。与发、变电站接地系统有关的问题主要有5个 :接地系统的精确设计 ;土壤分层结构分析 ;接地系统的腐蚀诊断 ;高土壤电阻率地区接地系统的降阻和发变电站接地电阻的准确测量。The ground systems in power plants and substations are the important measures to ensure the safe of equipment and human body and maintain reliable operation of power systems. It is shown in information that the poor grounding has caused failures and resulted in expansion of failure,outage of system and equipment damage both domestically and abroad in recent years. There are 5 main issues related to the ground system in power plant and substations: precision design of ground system;analysis on soil layered structure;diagnosis on corrosion of ground system;resistance reduction of ground system in areas with high soil resistivity and accurate measurement of ground resistance in power plants and substations

关 键 词：电力系统 接地技术 腐蚀诊断 接地电阻 

分 类 号：TM862[电气工程—高电压与绝缘技术]