We know that the motor should always pay attention to abnormal situations when running, such asYVFThe temperature, sound, current, etc. of the three-phase asynchronous variable frequency motor, then how should we check it during operation? What are the main aspects to check? Here is a simple understanding with Senli Motor Xiaobian.
The first thing to check is the change of the power supply voltage, usually, the fluctuation of the power supply voltage should not exceed the rated voltage±10%The difference between random two-phase voltages should not exceed5%. In order to check the supply voltage, install a voltmeter and transfer switch on the device power supply if possible.
Check the running current, under normal conditions,YVFVariable frequency motorThe operating current should not exceed the rated current indicated on the nameplate. In addition, attention should also be paid to whether the three-phase current is balanced. In general, the difference between the current of the two phases should not exceed the rated current10%. For equipment with large capacity, ammeter monitoring should be installed; For equipment with small capacity, it should be measured at any time with a clamp ammeter.
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