惯性对转子故障效应的影响——维也纳监测方法的理论研究

2007 IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives Pub Date : 2007-12-04 DOI:10.1109/DEMPED.2007.4393074

C. Kral, F. Pirker, G. Pascoli

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引用次数: 11

摘要

本文研究了惯性对鼠笼式感应电机故障特征的影响。然而，转子故障会引起谐波边带电流和双滑移频率轴转矩振荡。因此，总驱动惯性影响速度纹波，再一次影响上下带电流大小的平衡。在一定的假设条件下，分析了转速脉动对定子和转子固定参照系电流谐波的影响。此外，将导出的方程应用于基于模型的转子故障检测方法维也纳监测方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The Impact of Inertia on Rotor Faults Effects - Theoretical Aspects of the Vienna Monitoring Method

This paper investigates the impact of inertia on the fault signatures of squirrel cage induction machines. Rotor faults give rise to harmonic side band currents and double slip frequency shaft torque oscillations, however. The total drive inertia thus influences the speed ripple which, again, influences the balance of the magnitudes of the lower and upper side band current. Considering certain assumptions, the impact of the speed ripple on the current harmonics with respect to the stator and rotor fixed reference frame is investigated analytically. Additionally, the derived equations are applied to the Vienna Monitoring Method, a model based rotor fault detection method.

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2007 IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives

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