Effect of Rotor bar Shape and Stator Slot Opening on the Performance of Three Phase Squirrel Cage Induction Motors with Broken Rotor Bars

被引：0

作者：

Makhetha, Eveline ^{[1
]}

Muteba, Mbika ^{[1
]}

Nicolae, Dan Valentin ^{[1
]}

机构：

[1] Univ Johannesburg, Dept Elect & Elect Engn Technol, Johannesburg, South Africa

来源：

2019 SOUTHERN AFRICAN UNIVERSITIES POWER ENGINEERING CONFERENCE/ROBOTICS AND MECHATRONICS/PATTERN RECOGNITION ASSOCIATION OF SOUTH AFRICA (SAUPEC/ROBMECH/PRASA) | 2019年

关键词：

Finite Element Method; broken rotor bars; rotor bar shape; squirel cage induction motor; stator slot opening;

D O I：

10.1109/robomech.2019.8704850

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：

Stator slot opening width has an impact on the airgap magnetic field, a poor choice of this design parameter can results in distorted airgap magnetic field and increased space harmonics. This will have a negative impact on the performance of three phase squirrel cage induction machine (SCIM). Changing the rotor bar shape also varies the resistance at different depths of the bar either increasing or decreasing the electromagnetic torque. The purpose of this paper is to investigate how both the stator slot opening widths and rotor bar shapes affect the performance of SCIMs that operate when healthy and when their rotor bars are broken. 2D Finite Element Method (FEM) is employed as a computational tool for modelling these SCIMs and the magnetostatic and transient analysis are carried out in order to study the torque, torque ripple, efficiency and power factor.

引用

页码：463 / 468

页数：6

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