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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Seung-deog Choi Akin, B. Rahimian, M.M. Toliyat, H.A. |
| Copyright Year | 2010 |
| Description | Author affiliation: Advanced Electric Machines & Power Electronics Laboratory Department of Electrical & Computer Engineering Texas A&M University, College Station, TX 77843-3128 (Seung-deog Choi; Rahimian, M.M.; Toliyat, H.A.) || Texas Instruments Inc. C2000 System & Applications 12203 Southwest Freeway, Stafford, Texas 77477 (Akin, B.) |
| Abstract | This paper presents a sensorless fault diagnosis technique for low cost AC drives. Currently, in order to achieve a reliable fault diagnosis, a high resolution speed sensor is employed to measure the frequencies of fault signature which depends on motor shaft speed. There is an increased tendency toward sensorless control of AC motor drives because of mounting problems, associated cost, etc. Therefore, the speed sensors become less common feedback tools in high performance motor control applications. The fault diagnosis becomes quite a challenging task in the absence of information from a speed sensor as highly precise motor speed estimation is needed. In this paper, a simple and efficient algorithm for fault diagnosis is proposed utilizing frequency tracking method which does not require speed sensor feedback. It is explicitly verified that the performance of the proposed algorithm is almost comparable to the cases where an accurate speed sensor is used. The algorithm is derived mathematically and its efficacy is proved experimentally using a 3-hp motor generator setup. |
| Starting Page | 1990 |
| Ending Page | 1994 |
| File Size | 578850 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781424447824 |
| ISSN | 10482334 |
| DOI | 10.1109/APEC.2010.5433507 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-02-21 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Robustness Fault diagnosis Costs Motor drives AC motors Feedback Current measurement Frequency measurement Velocity measurement Shafts |
| Content Type | Text |
| Resource Type | Article |
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