变电站及电厂直流系统二次回路干扰分析  

Analysis of Secondary Circuit Interference of DC System in Substation and Power Plant

作　　者：李钢[1] 刘平[1] 孙集伟[2] 王宁[2] 

机构地区：[1]华北电力科学研究院有限责任公司,北京100045 [2]华北电力调度通信中心,北京100053

出　　处：《华北电力技术》2007年第9期37-39,50,共4页North China Electric Power

摘　　要：介绍了变电站及电厂直流系统二次回路干扰的形式和原理,通过现场试验、实验室仿真,对干扰最严重的情况如直流接地及交直流混联等进行了详细的分析,并提出了预防措施。This article introduces the type and principle of secondary circuit interference of DC system in substation and power plant. Through field test and laboratory simulation, some serious interference cases, such as DC earthing and AC/DC hybrid,are analyzed in detail and preventive measures are proposed.

关 键 词：二次回路 直流接地 交直流混联 

分 类 号：TM645.2[电气工程—电力系统及自动化]