From the 2D to 3D Finite Element Analysis of the Broken Bar Fault in the Squirrel-Cage Induction Motors

被引：6

作者：

Fireteanu, Virgiliu ^{[1
]}

Constantin, Alexandru-Ionel ^{[2
]}

机构：

[1] Univ Politehn Bucuresti, EPM NM Lab, 313 Splaiul Independentei, Bucharest 060042, Romania

[2] Univ Politehn Bucuresti, Fac Elect Engn, 313 Splaiul Independentei, Bucharest 060042, Romania

来源：

2016 INTERNATIONAL CONFERENCE ON APPLIED AND THEORETICAL ELECTRICITY (ICATE) | 2016年

关键词：

squirrel-cage induction motor; broken bar fault; 2D and 3D formulations of electromagnetic field; finite element analysis; time domain solution; fault detection through harmonics; noninvasive detection;

D O I：

10.1109/ICATE.2016.7754647

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper reflects the evolution from the 2D to the 3D finite element analysis of the squirrel-cage induction motors related to the evaluation on the influence of the broken bar fault and the investigation of methods for the efficient fault detection. Based on the scalar 3D formulation of the electromagnetic field and through the step by step in time domain finite element solution, the time dependence and harmonics of the electromagnetic torque, rotor unbalanced force, stator currents and of the magnetic flux density in points outside the motor are computed. Important harmonics of the stator currents and of the magnetic field outside the motor with respect the efficiency of fault detection are identified.

引用

页数：6

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