The cause of common abnormal conditions after the torque motor is started

2018-09-19 06:02:09

I will introduce you to the abnormal conditions that are common during the use of the torque motor and the countermeasures.

1. The speed of the load is slow: the power supply voltage is too low; the squirrel cage rotor is broken; the coil or coil group has a short circuit point; the coil or coil group has a reverse connection; the phase winding is reversed; the overload; the wound rotor one-phase open circuit Broken rotor motor starting varistor bad contact; poor contact between brush and slip ring.
2. The sound is not normal during operation: the stator and the rotor are rubbed; the rotor blade touches the shell; the rotor wipes the insulation paper; the bearing lacks oil; the motor has debris; the motor has two-phase operation with a click.
3, the motor casing is charged: the power line and the grounding wire are wrong; the motor winding is damp, the insulation aging makes the insulation performance lower; the lead wire and the junction box touch the shell; the local winding insulation damage causes the wire to touch the shell; the core looses the stabbed wire; the ground wire Failure; damage to the terminal block or excessive oil on the surface.
4. Winding rotor slip ring spark is too large: the surface of the slip ring is dirty; the brush pressure is too small; the brush is rolled in the brush; the brush deviates from the neutral position.

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Our organic Goji Berries are certified organic and come from small farmers to ensure maximum quality and minimum waste.






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