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Stator winding offline fault diagnosis method and apparatus of induction motor with control inverter
Stator winding offline fault diagnosis method and apparatus of induction motor with control inverter
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机译：控制逆变器的定子绕组离线故障诊断方法和电动机电机装置
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摘要
The present invention discloses a method and apparatus for diagnosing off-line failure of a stator winding of an induction motor having a control inverter. According to the present invention, there is provided an off-line fault diagnosis apparatus for a stator winding of a three-phase induction motor having a control inverter, comprising: a processor; And a memory connected to the processor, wherein the memory controls the control inverter to change a switching state, applies an AC voltage and measures each phase current according to the change of the switching state, and measures the AC voltage and the measured phase current. Calculate the impedance of each of a plurality of voltage vectors having different phases by using, and using the voltage vector having the maximum impedance and the voltage vector having the minimum impedance through the calculated impedance A stator winding off-line fault diagnosis apparatus of a three-phase induction motor storing program instructions executed by a processor to determine a phase is provided.
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