变压器差动保护中的误动现象分析  

Analysis of Misoperation Phenomenon in Transformer Differential Protection

作　　者：钟声 朱兆江 胡家宁 ZHONG Sheng;ZHU Zhaojiang;HU Jianing(Zhoushan Power Supply Company Dinghai Power Supply Branch,Zhejiang 316000,China)

机构地区：[1]舟山供电公司定海供电分公司,浙江316000

出　　处：《电子技术（上海）》2024年第1期296-297,共2页Electronic Technology

摘　　要：阐述变压器差动保护的特点,分析造成变压器差动保护误动的原因,提出保护误动的措施,包括严格检查电流互感器、保护电缆、保护整定值、进行预防性试验、采用差动保护。This paper describes the characteristics of transformer differential protection,analyzes the causes of transformer differential protection misoperation,and proposes measures for protection misoperation,including strict inspection of current transformers,protection cables,protection setting values,preventive tests,and the use of differential protection.

关 键 词：变压器 差动保护误动 整定值 预防性试验 

分 类 号：TM772[电气工程—电力系统及自动化]