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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Shuo Chen Zivanovic, R. |
| Copyright Year | 2007 |
| Description | Author affiliation: Sch. of Electr. & Electron. Eng., Univ. of Adelaide, Adelaide, SA (Shuo Chen; Zivanovic, R.) |
| Abstract | On-line and non-invasive condition monitoring and fault diagnostics of heavy duty induction machines, for example those used in mining and oil industries, can be accomplished by estimating the frequency components of the stator current. However, due to the inherent drawbacks of the conventional tools, such as fast Fourier transform (FFT), and the changing of motor stator current in the frequency domain along with load variations, optimal trade-off between leakage suppression, resolution and tracking is difficult to fulfil. This paper proposes a novel high-resolution technique for detection of rotor broken bars in induction motors. It is able to outperform FFT in the sense of achieving high frequency resolution while using data samples from a very short window. In order to investigate the impact of broken bars and generate representative signals to test the spectral estimation method, a mathematical model that is able to simulate induction machines with broken bars was developed. In the final sections of this paper we present selection of spectral estimation results obtained by analysing simulated signals. |
| Starting Page | 1 |
| Ending Page | 5 |
| File Size | 342222 |
| Page Count | 5 |
| File Format | |
| ISBN | 9780646494883 |
| DOI | 10.1109/AUPEC.2007.4548040 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2007-12-09 |
| Publisher Place | Australia |
| Access Restriction | Subscribed |
| Rights Holder | Australasian Committee for Power Engineering |
| Subject Keyword | broken bar Rotors Prony Analysis fault detection Frequency estimation Petroleum industry Frequency domain analysis Condition monitoring Fast Fourier transforms Stators induction machines Load management Induction machines Bars |
| Content Type | Text |
| Resource Type | Article |
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