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Inclined mixed air gap eccentricity detection method for an induction motor

机译:感应电动机的倾斜混合气隙偏心检测方法

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Significant number of research articles on axial uniform mixed air gap eccentricity detection methods in three phase squirrel cage induction motor are reported in literature. Most often, machines suffer from non uniform axial air gap eccentricity. In this paper, a study conducted on a three phase squirrel cage induction motor suffering from inclined mixed air gap eccentricity is presented and a new parameter is introduced to detect the inclined eccentricity fault. Experiments were conducted on 3 phase squirrel cage induction motor to show the impact of inclined mixed air gap eccentricity on dq components of stator currents. To validate the experimental results, mathematical expressions and modeling and simulation results are presented. The paper concludes with a note that an eccentricity detection unit with dq components of stator currents in synchronous reference frame as detection parameters can be embedded in the controller circuit to monitor the health of the machine.
机译:文献报道了大量关于三相鼠笼式感应电动机轴向均匀混合气隙偏心率检测方法的研究文章。多数情况下,机器的轴向气隙偏心率不均匀。本文对三相鼠笼式感应电动机的倾斜混合气隙偏心率进行了研究,并引入了新的参数来检测倾斜偏心故障。在三相鼠笼式感应电动机上进行了实验,以显示倾斜的混合气隙偏心率对定子电流的dq分量的影响。为了验证实验结果,提出了数学表达式以及建模和仿真结果。本文的结论是,可以将带有同步参考系中定子电流的dq分量作为检测参数的偏心率检测单元嵌入控制器电路中,以监视电机的运行状况。

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