循环水泵电机差动保护投运数据异常分析  

Analysis on Differential Protection Data Anomalies of Circulating Pump Motor

作　　者：庄凤华[1] ZHUANG Fenghua(Xiamen Huaxia International Power Development Co.,Ltd.,Xiamen 361026)

机构地区：[1]厦门华夏国际电力发展有限公司,福建厦门361026

出　　处：《电力安全技术》2022年第8期25-28,共4页Electric Safety Technology

摘　　要：差动保护是大型高压电气设备广泛采用的一种保护方式,从差动保护原理入手,通过查看故障报告,结合相量分析和计算,找出了循环水泵电机差动保护数据异常的原因,并进一步分析列出了所有可能的问题及分析结果,有助于快速查找并解决问题,进而确保机组安全、稳定运行。Differential protection is a kind of protection widely used in large high-voltage electrical equipment.Starting with the differential protection principle,by reviewing the fault report in combination with correlation phasor analysis and calculations,the causes of data anomaly of differential protection of circulating pump motor is found out,and further analysis is done concerning all possible problems and analyses,which is helpful to quickly find and solve problems so as to ensure the safe and stable operation of units.

关 键 词：循环水泵 电机 差动保护 数据异常 相量分析 

分 类 号：TM307[电气工程—电机]