电动机修理中的工艺要点分析
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摘要
通过对电动机修理过程的跟踪和研究,整理电动机修理的各道工艺,总结出其在修理过程中容易出现的各种问题,如绝缘电阻偏低、线包短路、三相直流电阻不平、三相磁场电流不平、电动机震动大、运行温度偏高、运转声音异常等,并对关键工序工艺过程进行重点分析,找出导致上述问题出现的各种原因,并在各工艺过程中找到问题的症结。针对各种电动机的使用特点,整理出各项修理关键技术数据,在现有修理工艺的基础上,对工艺进行改进,汇总出各工艺的常见问题及其注意事项,以减少或杜绝因上述工艺过程导致的电动机修理的电气、机械方面的问题,以实现提高电动机修理效率与质量的目的。
By following up and studying the repair process of electric motor,the various processes of electric motor repair are sorted out,and various problems that are easy to appear in the repair process are summarized.For example,the insulation resistance is low,the wire packet short circuit,the three-phase DC resistance is uneven,the three-phase magnetic field current is uneven,the motor vibration is large,the operating temperature is high,and the operating sound is abnormal,and the key process process process is analyzed.Find out the causes of the above problems and find the crux of the problems in each process.According to the characteristics of the use of various electric motors,various key technical data for repair have been compiled,and on the basis of the existing repair techniques,the process has been improved,and the common problems of each process and its precautions have been summarized.In order to reduce or eliminate the electrical and mechanical problems caused by the above process,in order to achieve the purpose of improving the efficiency and quality of motor repair.
By following up and studying the repair process of electric motor,the various processes of electric motor repair are sorted out,and various problems that are easy to appear in the repair process are summarized.For example,the insulation resistance is low,the wire packet short circuit,the three-phase DC resistance is uneven,the three-phase magnetic field current is uneven,the motor vibration is large,the operating temperature is high,and the operating sound is abnormal,and the key process process process is analyzed.Find out the causes of the above problems and find the crux of the problems in each process.According to the characteristics of the use of various electric motors,various key technical data for repair have been compiled,and on the basis of the existing repair techniques,the process has been improved,and the common problems of each process and its precautions have been summarized.In order to reduce or eliminate the electrical and mechanical problems caused by the above process,in order to achieve the purpose of improving the efficiency and quality of motor repair.
引文
[1] 刘一平,许上明,金仁全,等.新编电动机绕组修理(2版)[M].上海:上海科学技术出版社,2006.
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[12] 王殿友,王立名,侯宇.异步电动机电磁噪声的电磁力计算方法研究[J].防爆电机,2018,53(3):8-9.Wang Dianyou,Wang Liming,Hou Yu.Research on electromagnetic calculation method of electromagnetic noise of asynchronous motor[J].Explosion-proof Motor,2008,53(3):8-9.
[13] 吴孟青,樊少丽,安震东.外置封闭式大型三相绕线型异步电动机集电环通风系统的设计研究[J].电机与控制应用,2018,45(5):15-16.Wu Mengqing,Fan Shaoli,An Zhendong.Research on the design of collector ring ventilation system for externally enclosed large three-phase wound asynchronous motor[J].Motor and Control Applications,2018,45(5):15-16.
[14] 宋阳.基于PLC模糊控制的异步电动机变频调速及改造的分析[J].电子世界,2018(9):12-13.Song Yang.Analysis of variable frequency speed regulation and modification of asynchronous motor based on PLC fuzzy control[J].Electronic World,2018(9):12-13.
[15] 张国彦.隔爆型电动机的参考压力测定与静压试验[J].电气防爆,2018(1):32-33.Zhang Guoyan.Reference pressure measurement and static pressure test for flameproof motors[J].Electric Explosion Protection,2018(1):32-33.
[16] 靳华,兰顺斌.一起电动机轴电流引发的轴承故障[J].电世界,2018,59(4):66.Jin Hua,Lan Shunbin.A bearing fault caused by motor shaft current[J].Electrical World,2008,59(4):66
[17] 陈兆先,李学生,申保金,等.YE3系列三相异步电动机能效达标措施[J].现代矿业,2018,34(3):42-43.Chen Zhaoxian,Li Xuesheng,Shen Baojin,et al.YE3 series three-phase asynchronous motor energy efficiency standard measures[J].Modern Mining,2018,34(3):42-43.
[18] 刘开培,张俊敏,宣扬.基于重采样理论和均值滤波的三相电路谐波检测方法[J].中国电机工程学报,2003,23(9):78-80.Liu Kaipei,Zhang Junmin,Xuan Yang.Three-phase harmonic detection method based on resampling theory and mean filtering[J].Chinese Journal of Electrical Engineering,2003,23(9):78-80.
[19] 李运华.机电控制[M].北京:北京航空航天大学出版社,2003.
[20] 高景德,王祥珩.交流电机的多回路理论[J].清华大学学报,1987,27(1):1-8.Gao Jingde,Wang Xiangheng.Multi-loop theory of ac motor[J].Journal of Tsinghua University,1987,27(1):1-8.
[2] 孙克军.电动机维修[M].北京:化学工业出版社,2010.
[3] 张勇.电机拖动与控制[M].北京:机械工业出版社,2001.
[4] 石新春,齐涛,郑庆红,等.基于瞬时无功功率理论的SVC设计和实现[M].西安:电力电子技术出版社,2006.
[5] 严蓓兰.YE4系列超超高效率三相异步电动机效率验证的研究[J].电机与控制应用,2018,45(5):72-74.Yan Beilan.Study on efficiency verification of YE4 series ultra-ultra-high efficiency three-phase asynchronous motors[J].Motor and Control Applications,2018,45(5):72-74.
[6] 孙红生.煤矿电动机常见故障分析与预防措施[J].山东工业技术,2018(11):42-44.Sun Hongsheng.Analysis of common faults of electric motors in coal mine and preventive measures[J].Shandong Industrial Technology,2018(11):42-44.
[7] 崔纳新.异步电动机的效率优化快速响应控制研究[J].中国电机工程学报,2005,25(11):40-41.Cui Naxin.Study on efficiency optimization and fast response control of asynchronous motor[J].Chinese Journal of Electrical Engineering,2005,25(11):40-41.
[8] 张宏川.异步电动机叠频法温升试验浅析[J].中国设备工程,2018(8):10-11.Zhang Hongchuan.Brief analysis of temperature rise test of asynchronous motor by frequency stacking method[J].China Equipment Engineering,2018(8):10-11.
[9] 翁富强.电动机降压启动分析[J].电脑迷,2018(6):4.Weng Fuqiang.Analysis of motor step-down start[J].PC Fan,2018(6):4.
[10] 董彦龙.感应电动机在煤矿井下作业过程中的相关问题研究[J].机械管理开发,2018(6):84-85.Dong Yanlong.Research on related problems of induction motor in underground coal mine operation[J].Mechanical Management Development,2018(6):84-85.
[11] 孙兆琼,李定华,钱荣超.槽口宽度和磁极偏心对伺服电动机齿槽转矩的影响[J].微特电机,2018(6):14-15.Sun Zhaoqiong,Li Dinghua,Qian Rongchao.Effect of slot width and magnetic pole eccentricity on the cogging torque of servo motor[J].Micro Motor,2018(6):14-15.
[12] 王殿友,王立名,侯宇.异步电动机电磁噪声的电磁力计算方法研究[J].防爆电机,2018,53(3):8-9.Wang Dianyou,Wang Liming,Hou Yu.Research on electromagnetic calculation method of electromagnetic noise of asynchronous motor[J].Explosion-proof Motor,2008,53(3):8-9.
[13] 吴孟青,樊少丽,安震东.外置封闭式大型三相绕线型异步电动机集电环通风系统的设计研究[J].电机与控制应用,2018,45(5):15-16.Wu Mengqing,Fan Shaoli,An Zhendong.Research on the design of collector ring ventilation system for externally enclosed large three-phase wound asynchronous motor[J].Motor and Control Applications,2018,45(5):15-16.
[14] 宋阳.基于PLC模糊控制的异步电动机变频调速及改造的分析[J].电子世界,2018(9):12-13.Song Yang.Analysis of variable frequency speed regulation and modification of asynchronous motor based on PLC fuzzy control[J].Electronic World,2018(9):12-13.
[15] 张国彦.隔爆型电动机的参考压力测定与静压试验[J].电气防爆,2018(1):32-33.Zhang Guoyan.Reference pressure measurement and static pressure test for flameproof motors[J].Electric Explosion Protection,2018(1):32-33.
[16] 靳华,兰顺斌.一起电动机轴电流引发的轴承故障[J].电世界,2018,59(4):66.Jin Hua,Lan Shunbin.A bearing fault caused by motor shaft current[J].Electrical World,2008,59(4):66
[17] 陈兆先,李学生,申保金,等.YE3系列三相异步电动机能效达标措施[J].现代矿业,2018,34(3):42-43.Chen Zhaoxian,Li Xuesheng,Shen Baojin,et al.YE3 series three-phase asynchronous motor energy efficiency standard measures[J].Modern Mining,2018,34(3):42-43.
[18] 刘开培,张俊敏,宣扬.基于重采样理论和均值滤波的三相电路谐波检测方法[J].中国电机工程学报,2003,23(9):78-80.Liu Kaipei,Zhang Junmin,Xuan Yang.Three-phase harmonic detection method based on resampling theory and mean filtering[J].Chinese Journal of Electrical Engineering,2003,23(9):78-80.
[19] 李运华.机电控制[M].北京:北京航空航天大学出版社,2003.
[20] 高景德,王祥珩.交流电机的多回路理论[J].清华大学学报,1987,27(1):1-8.Gao Jingde,Wang Xiangheng.Multi-loop theory of ac motor[J].Journal of Tsinghua University,1987,27(1):1-8.