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What to do if the high-power DC motor drives overheating

2019-03-15 10:27:00
过热或冒烟故障的处理方法有哪些呢? What are the treatment methods for high-power DC motor drive overheating or smoke failure? How to solve the problem if its driver overheats? Let's take a look:
1. The high- voltage DC motor drive power supply voltage is too high, which causes the core magnetic flux density to be oversaturated and the DC brushless motor temperature rises too high: if the power supply voltage exceeds the standard, please contact the power supply department to resolve;
2. The power supply voltage is too low and the temperature of the DC brushless motor is too high under the rated load: if the power line voltage drops too much, you can replace the thicker power line; if the power supply voltage is too low, you can contact the power supply department Contact to increase the power supply voltage;
3. When the wire is burned, the iron core is burned, which increases the iron consumption: do a core inspection test, repair the iron core, and troubleshoot;
4. Stator and rotor core friction: Check the cause of the fault. If the bearing clearance exceeds the limit, replace the bearing with a new one. If the shaft is bent, investigate and deal with it. When the core is loose or deformed, handle the core to eliminate the fault. ( How to magnetize high-power DC motors )
The ambient temperature driven by high-power DC motors is increased or the ventilation channels of DC brushless motors are blocked. The ambient temperature is improved, and cooling measures are taken to isolate high-temperature heat sources near the DC brushless motors to avoid exposure of the DC brushless motors to sunlight.

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