When repairing motor windings, should all of them be replaced, or only the faulty coils?

Introduction: When the motor winding fails, the degree of failure directly determines the repair plan of the winding. For a large range of faulty windings, the common practice is to replace all the windings, but for local burns and the scope of the impact is small, the disposal technology A relatively good repair unit can adopt the scheme of replacing part of the coil, and the repair cost will be much lower. This kind of repair scheme is relatively widely used on large-sized motors, and it is not worth taking this scheme for particularly small motors. Also relatively poor.

motor winding

　　For soft windings, when using impregnating varnish that can be properly restored after insulation curing, the winding iron core can be heated, and then partially extracted and replaced; while for the windings that pass the VPI dipping process, reheating cannot solve the extraction of the windings. problem, there is no possibility of partial repair.

　　For large-sized formed winding motors, some repair units will use local heating and peeling to extract the faulty winding and related windings, and replace the faulty coils in a targeted manner according to the damage degree of the related coils. This method not only saves repair materials cost, and will not adversely affect the iron core.

　　In the process of motor repair, many repair units disassemble the windings by incineration, which has a great impact on the performance of the motor iron core and also has a negative impact on the surrounding environment. In response to this problem, a smarter unit invented an automatic motor winding removal device. Under natural conditions, the coil is pulled out of the iron core, which does not pollute the environment and effectively guarantees the electromagnetic performance of the repaired motor.

Post time: May-20-2022