电流互感器饱和现象影响配网保护的机理研究及改进措施  

Research on the Mechanism of Current Transformer Saturation Phenomenon Affecting Distribution Network Protection and Improvement Measures

作　　者：田丽 Tian Li(Shanxi Lu'an Electricity Distribution Co.,Ltd.,Xiangyuan Shanxi 046204)

机构地区：[1]山西潞安配售电有限公司,山西襄垣046204

出　　处：《机械管理开发》2021年第12期338-340,共3页Mechanical Management and Development

摘　　要：为解决电路互感器饱和现象对配网电流保护的影响问题,因此,介绍了电流互感器的应用情况,并且在对其瞬时速断保护和定时限过电流保护的整定值计算基础上对电流互感器的饱和程度对配网电流保护的影响机理进行分析,进一步针对性地提出有效的改进措施。In order to solve the problem of circuit transformer saturation phenomenon on distribution network current protection,therefore,the application of current transformer is introduced,and the mechanism of current transformer saturation degree on distribution network current protection is analyzed based on the calculation of its instantaneous quick-break protection and fixed-time overcurrent protection,and further effective improvement measures are proposed in a targeted manner.

关 键 词：电流互感器 瞬时速断保护 定时限过电流保护 饱和电流 饱和误差 

分 类 号：TM452[电气工程—电器]