A Novel Non-Invasive Method for Detecting Missing Wedges in an Induction Machine

被引：0
|
作者：
Orman, Maciej [1 ,2 ]
Nowak, Agnieszka [1 ]
Ottewill, J. R. [1 ]
Pinto, C. T. [3 ,4 ,5 ]
机构：
[1] ABB, Corp Res Ctr, Krakow, Poland
[2] ABB, Corp Res Ctr, Shanghai, Peoples R China
[3] Lenzohm Elect Engn, Bombay, Maharashtra, India
[4] ABB Ltd, Zurich, Switzerland
[5] ABB, Motor & Generator Serv, Zurich, Switzerland
来源：
2013 9TH IEEE INTERNATIONAL SYMPOSIUM ON DIAGNOSTICS FOR ELECTRIC MACHINES, POWER ELECTRONICS AND DRIVES (SDEMPED) | 2013年
关键词：
machine monitoring; impedance; induction machine; magnetic wedges; ROTOR FAILURES; STATOR; FAULTS;
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：
This paper presents a newly developed algorithm for evaluating the health of an induction machine. The proposed algorithm is based on spectrum analysis of an impedance calculated using measured stator current and voltage signals. The main idea is to calculate the frequency spectrum of the impedance for each power phase and compare specific differences between phases. Experimental investigations show that the method yields very accurate results and can form an important part of a machine monitoring system. In particular the presented method is shown to be successful in detecting missing wedges in electric motors.
引用
收藏
页码：200 / 206
页数：7
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