When starting a three-phase asynchronous motor, we should do a good job of checking before starting, such as whether the voltage and frequency marked in the motor nameplate are consistent with the power supply voltage and frequency; Here is a simple understanding with Senli Motor Xiaobian, we should do what to prepare when starting the motor.
In addition to checking the content indicated on the nameplate as mentioned above, we should also check whether the grounding of the equipment is reliable and complete, and whether the wiring method is correct; Before starting the newly installed three-phase asynchronous motor, the relative phase and ground insulation resistance of the winding should be checked. The insulated area should be greater than0.5Megohm, if below this value, the winding must be dried.
Check whether the motor rotor rotation is flexible, there is no stutter phenomenon, check the fastening bolts and installation bolts are tightened.
We're starting.Three-phase asynchronous motorAfter, due to proceed30About minutes of no-load operation, the purpose is to observe whether the motor has abnormal phenomena, such as noise, vibration, heating and other abnormal conditions; If so, measures should be taken in time to put into operation after the situation is eliminated.
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