Put the rotor under test in a test in the mouth,make the motor spare parts turn-to-turn short circuit energized tester,tester within the closed magnetic circuit core and rotor core has alternating magnetic flux,and if there is no short circuit,magnetic flux through the coil of the coil,there is no short www.dongfeng-motor.com circuit current,on the small iron notches (small hacksaw blade vibration will happen.If the coil turn-to-turn short circuit,word small plate,vibration will occur when the rotating rotor,one can find out all the short-circuit coil slot."Little experience" When small plate vibration,should be cleaned motor lamination up mica slot commutator conductive material (such as charcoal powder),then test again,in order to avoid miscalculation.When measuring rotor winding interturn short circuit fault of use method.
2014年8月5日星期二
When measuring rotor winding interturn short circuit fault of use method
Put the rotor under test in a test in the mouth,make the motor spare parts turn-to-turn short circuit energized tester,tester within the closed magnetic circuit core and rotor core has alternating magnetic flux,and if there is no short circuit,magnetic flux through the coil of the coil,there is no short www.dongfeng-motor.com circuit current,on the small iron notches (small hacksaw blade vibration will happen.If the coil turn-to-turn short circuit,word small plate,vibration will occur when the rotating rotor,one can find out all the short-circuit coil slot."Little experience" When small plate vibration,should be cleaned motor lamination up mica slot commutator conductive material (such as charcoal powder),then test again,in order to avoid miscalculation.When measuring rotor winding interturn short circuit fault of use method.
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