Because the current is too large, single-phase operation will cause insulation damage of three-phase asynchronous motor. If the motor is in long-term overload, it will accelerate the aging of the motor insulation, thus losing the insulation effect, which will cause the coil to heat rapidly, thus burning the motor. Here is a simple understanding of this content with Senli Motor Xiaobian.

       Winding short circuit is divided winding turn short circuit, winding short circuit, winding electrode short circuit and winding short circuit, resulting in three-phase asynchronous motor winding short circuit is also a variety of reasons, often encountered in the operation of vibration and noise, or can not start the phenomenon, these are winding short circuit will produce phenomenon.

       Three-phase asynchronous motorIf it is in long-term overload, the insulation aging loses the insulation effect; Insulation damage caused by wiring; Damp in winding reduces insulation resistance resulting in insulation breakdown. The end and interlayer insulation materials are not properly padded or damaged during shaping; The insulation of the end connection cable is damaged. Insulation breakdown due to overvoltage or lightning strike; Friction between rotor and stator winding ends causes insulation damage; Metal foreign bodies fall into the motor and oil is too much;

       The above reasons will cause winding short circuit.

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