A Stator Current Locus Approach to Induction Machine Parameter Estimation

被引：0
|
作者：
Reed, David M. [1 ]
Zhou, Kan [1 ]
Hofmann, Heath F. [1 ]
Sun, Jing
机构：
[1] Univ Michigan, Dept Elect Engn & Comp Sci, Ann Arbor, MI 48109 USA
来源：
2014 IEEE TRANSPORTATION ELECTRIFICATION CONFERENCE AND EXPO (ITEC) ASIA-PACIFIC 2014 | 2014年
关键词：
VECTOR CONTROL; IDENTIFICATION;
D O I：
暂无
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：
Induction machines are an attractive alternative to permanent magnet machines in transportation applications due to their ruggedness and lower cost of construction. However, high-performance control of induction machines requires accurate knowledge of the machine parameters. While parameters have traditionally been identified using the standard "no-load" and "locked-rotor" tests, these tests are not representative of normal operating conditions, and are not well suited to the commissioning of variable speed drives. This paper presents a new method for induction machine parameter identification using steady-state measurements, which is based on fitting data to the stator current locus for various slip frequencies. Numerical results confirm the method's high accuracy, while experimental results demonstrate its ability to characterize an induction machine over a range of flux levels which include magnetic saturation.
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页数：6
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