Analysis of the cause of servo motor failure (7)
Ten, the motor is overheated and even smokes
1. Reason for failure:
1 power supply voltage is too high;
2 The power supply voltage is too low, the motor is operated with the rated load, and the current is too large to make the winding heat;
3 When repairing and removing the winding, it is not appropriate to use the hot-breaking method to burn the iron core;
4 motor overload or frequent start;
5 motor is out of phase, two phases are running;
6 rewinding is not sufficient for the winding dipping paint;
7 high ambient temperature, the motor has more dust on the surface, or the air duct is blocked;
2. Troubleshooting:
1 lower the power supply voltage (such as adjusting the power transformer tap);
2 increase the power supply voltage or change the thick power supply wire;
3 overhaul the iron core to eliminate the fault;
4 load shedding; control the start according to the number of rules;
5 resume three-phase operation;
6Select secondary dipping paint and vacuum dipping process;
7 Clean the motor, improve the ambient temperature, and choose the cooling method.
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