浅析起重机电动机定子异常失电保护  

A Brief Analysis of Abnormal Power Loss Protection of Crane Motor Stator

作　　者：查勇章 蔡福海 查继明[3] Cha Yongzhang;Cai Fuhai;Cha Jiming(The University of New South Wales,Sydney 2000;Dalian Institute of Technology Jiangsu Research Institute Co.,Ltd.,Changzhou 213164;Jiangsu Special Equipment Safety Supervision and Inspection Institute,Changzhou Branch,Changzhou 213016)

机构地区：[1]新南威尔士大学,悉尼2000 [2]大连理工江苏研究院有限公司,常州213164 [3]江苏省特种设备安全监督检验研究院常州分院,常州213016

出　　处：《中国特种设备安全》2022年第1期62-65,共4页China Special Equipment Safety

摘　　要：本文以辽宁某公司钢水包倾覆事故为切入点,介绍了相关安全技术规范和标准对起重机电动机定子异常失电保护的有关规定和要求:以吊运熔融金属的桥式起重机为例,分析探讨了该电气保护在卷扬式和电动萌芦式起重机起升机构中应用的常见电路以及该电气保护的试验方法和合格判定。This article takes the ladle overturning accident of a company in Liaoning province as a starting point,and introduces the relevant regulations and requirements of the safety technical standards for the protection of crane motor stator abnormal power loss.Taking the bridge crane for lifting molten metal as an example,the common electrical protection circuits used in hoisting mechanisms of hoisting and electric hoist cranes are analyzed and discussed.And also,the paper introduces how to test the protection circuits and their qualification.

关 键 词：电动机定子异常失电保护 常用电路 分析探讨 试验方法 合格判定 

分 类 号：X941[环境科学与工程—安全科学]