1.usable500VThe megohm meter measures the insulation resistance of the torque motor between phases and relative ground, and cannot be less than0.5Megohm. The bigger the better.

       2.The DC resistance of the coil winding in1For motors above OHM, use multimeter resistance or single-arm bridge, and the DC resistance of the coil winding is in1The motor below Europe needs to use a double-arm bridge to test the motor3Whether the DC resistance of the windings is the same, if so or3The size deviation of the DC resistance of the winding is very small, that means3There is no inter-turn short circuit between the coils of each winding;

       3.Manual disk torque motor shaft, check whether the disk is not moving, abnormal noise, etc.;

       4.No-load power, check whether the three-phase current of the motor is balanced, whether the motor is running smoothly, and there is no difference in sound.

       Go over4If the check of the step is normal, then the motor is good.

       Of course, the off-line motor can be judged by the following methods.

       1.The DC resistance of the coil winding in1For motors above OHM, use multimeter resistance or single-arm bridge, and the DC resistance of the coil winding is in1The motor below Europe needs to use a double-arm bridge to test the motor3The DC resistance of each winding, the closer the result of three measurements, the better, the difference10%Above, the phase with low resistance may have an interturn short circuit.

       2.with500vMegohm meters measure phase-to-phase insulation resistance and ground-to-ground (to housing) insulation resistance of three-phase windings for long-term storageTorque motorThe insulation resistance should be0.5More than megohm is a good motor, can be used.0.1Above megohm is insufficient0.5Megohm indicates that the motor has been damp and can be used after drying. If the insulation resistance is low, the insulation is damaged.

       3.Rotating the motor rotor should be easy and free, and there is no noise and friction, indicating that the bearing and air clearance are normal.

       Senli Motor,19Focus on the development and production of electric motors. Available if needed1688Search factory name "Shengzhou Chaoli Electric Appliance Factory" , Or online consultation message, we will have business personnel to get in touch with you, you can also contact us directly0575-8378-1127.