Performance analysis of low-inductance PM brushless DC motors under stator inter-turn faults

被引：0
|
作者：
Awadallah, MA
Morcos, MM
机构：
[1] Kansas State Univ, Dept Elect & Comp Engn, Manhattan, KS 66506 USA
[2] Zagazig Univ, Dept Elect Power & Machines, Zagazig, Egypt
来源：
ELECTRIC POWER COMPONENTS AND SYSTEMS | 2005年 / 33卷 / 07期
关键词：
brushless DC motors; electric drives; short-circuit faults;
D O I：
10.1080/15325000590896755
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：
The article presents a study of the faulty performance of low-inductance VSI-fed PM brushless DC motors under stator inter-turn short circuits. Performance characteristics of the drive system are obtained under normal operation through a discrete-time, lumped-parameter network model. The model is modified to accommodate a short circuit across certain number of turns on one stator phase. Fault current is introduced as an additional state variable in fault cases. A comparative study between system performance under healthy and faulty operations is conducted. Faulty performance is experimentally measured via a specialty wound machine at different operating conditions and various numbers of shorted turns. Good agreement between analytical and experimental results is obtained. Findings of this work can be used to develop fault detection schemes of the system under consideration.
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页码：767 / 780
页数：14
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