一起高压电动机差动速断保护误动作原因分析  

Misoperation Reason Analysis of High Voltage Motor Differential Quick Break Protection

作　　者：张云斌 ZHANG Yunbin(Huadian Weifang Power Generation Co.,Ltd.,Weifang,Shandong 261204,China)

机构地区：[1]华电潍坊发电有限公司,山东潍坊261204

出　　处：《东北电力技术》2020年第7期17-18,49,共3页Northeast Electric Power Technology

摘　　要：某电厂增压风机电动机试运过程中,发生差动速断保护误动作,结合故障录波对故障原因进行分析,解决了故障并提出相应的预防措施,确保电动机安全运行,提升了设备稳定性。During the trial operation of a booster fan motor in a power plant,the differential quick break protection occurred.Combined with the fault recording wave,the fault causes were analyzed.The fault was solved and the corresponding preventive measures were put forward to ensure the safe operation of the motor and to improve the stability of the equipment.

关 键 词：高压电动机 差动速断保护 正反转 

分 类 号：TM32[电气工程—电机]