Rotor cage fault diagnosis in three-phase induction motors based on a current and virtual flux approach

被引：29
|
作者：
Pires, Dulce F. [1 ]
Pires, V. Fernao [1 ,2 ]
Martins, J. F. [3 ]
Pires, A. J. [1 ,2 ,3 ]
机构：
[1] Politecn Setubal, Escola Sup Tecnol Setubal Inst, Setubal, Portugal
[2] LabSEI Lab Sistemas Elect Ind, Setubal, Portugal
[3] Fac Ciencias & Tecnol UNL, CTS, Lisbon, Portugal
来源：
ENERGY CONVERSION AND MANAGEMENT | 2009年 / 50卷 / 04期
关键词：
Induction motor; Diagnosis; Fault detection; Stator currents; Virtual flux; Rotor cage fault; BAR DETECTION; PROTECTION;
D O I：
10.1016/j.enconman.2008.12.020
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
This paper focuses on the detection of a rotor cage fault in a three-phase PWM feed induction motor. In inverter-fed machines there are some difficulties for the detection of a rotor cage fault. These difficulties are due to the fault signature that will be contained in the currents or voltages applied to the machine. In this way, a new approach based on the current and a virtual flux is proposed. The use of the virtual flux allows the improving of the signal to noise ratio. This approach also allows the identification of a rotor cage fault independently of the type of control used in the ac drive. The theoretical principle of this method is discussed. Simulation and experimental results are presented in order to show the effectiveness of the proposed approach. (c) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1026 / 1032
页数：7
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