abnormal vibration of explosion-proof motor
possible reason:
Shaft bending
2. The foot is loose
3. Rotor dynamic balance damage
4. Circuit, winding fault
Approach:
Straighten
2. Fixed foot
3. Correct the dynamic balance
4. Check and repair the circuit or winding
The current suddenly increases, the explosion-proof motor emits smoke, and the temperature rises too high.
possible reason:
1. Phase loss operation
2. The explosion-proof motor is overloaded and the transmission part is stuck.
3. Use explosion-proof motor power is too small
4. The power supply voltage is too low or too high
5. Explosion-proof motor air duct block
6. Explosion-proof motor is partially damaged by moisture insulation, winding turns, and phase-to-phase short circuit
7. Centrifugal switch or capacitor is damaged
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