对一起主变压器零序过流保护动作逻辑缺陷的分析  

Analysis on Logic Flaw of Zero Sequence Overcurrent Protection Action in Main Transformer

作　　者：岑冬梅 欧昌岑 

机构地区：[1]中山供电局,广东中山528400

出　　处：《四川电力技术》2012年第5期37-37,91,共2页Sichuan Electric Power Technology

摘　　要：从中山供电局二次人员在新站验收时发现的某厂家主变压器保护缺陷着手,深入分析了该型号主变压器零序过电流保护的动作逻辑,并提出了解决方案。From the protection defects in main transformer of some manufacturer during the acceptance inspection of a new sub- station by the staff in charge of secondary equipment in Zhongshan Power Supply Bureau, the action logic of zero sequence overcurrent protection for main transformer is analyzed, and the solutions are proposed too.

关 键 词：电力系统 主变压器保护 缺陷 解决方案 

分 类 号：TM588.1[电气工程—电器]