書誌事項
- タイトル別名
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- Diagnosis of Stator-Winding-Turn Faults of Induction Motor by Direct Detection of Negative-Sequence Currents
- ギャクソウ デンリュウ ノ チョクセツ ケンシュツ ニ ヨル ユウドウキ ノ コテイシ マキセン ノ タンラク コショウ シンダンホウ
- Diagnosis of Stator‐Winding‐Turn Faults of Induction Motor by Direct Detection of Negative Sequence Currents
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説明
In an AC motor, the quick detection of an initially small fault is important for preventing any consequent large fault. Various detection approaches have been proposed in previous papers, for example, by the Park vector (PV), AI techniques, wavelet analysis, and negative-sequence analysis. This paper proposes a method for diagnosing the stator-winding faults of an induction motor by the direct detection of its negative-sequence current. Before starting the diagnosis, the asymmetry admittances for the considered fault cases are obtained by analysis or simulation. The amplitude and phase of the positive-sequence voltage, Vp, and of the positive-sequence current, Ip, are extracted from the voltage PV and current PV, respectively. The amplitude and phase of the negative-sequence, In, are extracted from the residue. The asymmetry admittance, Ya, is calculated from In and Vp. When the positive-sequence admittance is known, Ya can also be calculated from Yp, Ip, and In. These steps are repeated for each sample time and the motor condition is diagnosed according to the variations in the Ya values. The simulation and experimental results are also shown and the proposed method is investigated and validated.
収録刊行物
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- 電気学会論文誌D(産業応用部門誌)
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電気学会論文誌D(産業応用部門誌) 131 (11), 1346-1353, 2011
一般社団法人 電気学会
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詳細情報 詳細情報について
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- CRID
- 1390282679636328832
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- NII論文ID
- 10030531420
- 210000178014
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- NII書誌ID
- AN10012320
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- ISSN
- 13488163
- 15206416
- 09136339
- 04247760
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- NDL書誌ID
- 11293839
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- 本文言語コード
- ja
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