Robustification of fault detection algorithm in a three‐phase induction motor using MCSA for various single and multiple faults
Fault diagnosis in induction machines, particularly at a premature stage, has become necessary to avoid unexpected interruption of the industrial process. Moreover, a reliable and cost‐effective fault detection process is highly essential to avoid inappropriate shut down of the machine. Thus, a crit...
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Veröffentlicht in: | IET Electric Power Applications 2021-05, Vol.15 (5), p.593-615 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Fault diagnosis in induction machines, particularly at a premature stage, has become necessary to avoid unexpected interruption of the industrial process. Moreover, a reliable and cost‐effective fault detection process is highly essential to avoid inappropriate shut down of the machine. Thus, a critical comparison is done between two popular pre‐fault component cancellation techniques and a reliability test is performed to develop a robust algorithm for fault diagnosis in three‐phase induction motor. To achieve this, various single and multiple faults experienced by induction motor are created and tested to examine the effectiveness of developed algorithm. Evaluation of the proposed topology based on motor current signature analysis is done by repeating the process for several times and tested for consistency. As a part of this, various feature extraction parameters are computed and compared to identify the best estimate of fault and its seriousness. The proposed technique is examined in MATLAB and LabVIEW environment and experiments on a three‐phase, 1.5‐kW induction motor. |
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ISSN: | 1751-8660 1751-8679 |
DOI: | 10.1049/elp2.12049 |