WEKO3
アイテム
Partial Discharge Detection by TEV Sensors and Signal Propagation Analysis in Transformer Model
http://hdl.handle.net/10228/5566
http://hdl.handle.net/10228/5566644a034b-5ae5-4134-b0a4-0803cf29f088
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
ISH567.pdf (957.0 kB)
|
|
| Item type | 会議発表論文 = Conference Paper(1) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 公開日 | 2016-02-02 | |||||||||||
| 資源タイプ | ||||||||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_5794 | |||||||||||
| 資源タイプ | conference paper | |||||||||||
| タイトル | ||||||||||||
| タイトル | Partial Discharge Detection by TEV Sensors and Signal Propagation Analysis in Transformer Model | |||||||||||
| 言語 | en | |||||||||||
| 言語 | ||||||||||||
| 言語 | eng | |||||||||||
| 著者 |
Itose, Akihiko
× Itose, Akihiko× Tai, Yuki× 小迫, 雅裕
WEKO
15460
× 匹田, 政幸 |
|||||||||||
| 抄録 | ||||||||||||
| 内容記述タイプ | Abstract | |||||||||||
| 内容記述 | This paper deals with a detailed study on partial discharge (PD) generated in transformers using transient earth voltage (TEV) detection method. Experiment and numerical analysis are carried out using an iron box model which simulates a tank of an actual transformer. In the test model, propagation properties of TEV signal caused by PD occurring inside and outside of the transformer model are examined. Results reveal that the electromagnetic waves generated by PD in the model can leak from the opening window, having special frequency determined by the size of the opening window. It is also found that TEV sensor placed on the surface of the tank detects a TEV signal originating from the leaked electromagnetic wave. On the other hand, TEV signal by electromagnetic waves generated by an external PD source is found to have a wider frequency band than that by leaked electromagnetic wave. In addition, electromagnetic field and surface current analysis are performed using finite difference time domain (FDTD) method and simulated results are compared with experimental ones. As a result, it is shown that leaked electromagnetic wave excites a surface current on the outer tank wall of the transformer model. It is also found that there exists difference in the time required for TEV signal to arrive at the inside and outside sensors. The results indicate that PD emitting electromagnetic waves leaked from the dielectric discontinuities can be detected by the TEV method. Furthermore, these results suggest a combination of the detected waveform and its frequency band could lead to highly reliable diagnosis of the apparatus by TEV detection method. | |||||||||||
| 備考 | ||||||||||||
| 内容記述タイプ | Other | |||||||||||
| 内容記述 | The 19th International Symposium on High Voltage Engineering (ISH 2015), August, 23 – 28, 2015, Pilsen, Czech Republic | |||||||||||
| 書誌情報 |
The 19th International Symposium on High Voltage Engineering, Pilsen, Czech Republic, August, 23 – 28, 2015 号 567, 発行日 2015-08-23 |
|||||||||||
| 出版社 | ||||||||||||
| 出版社 | Faculty of Electrical Engineering University of West Bohemia | |||||||||||
| 出版タイプ | ||||||||||||
| 出版タイプ | VoR | |||||||||||
| 出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||||
| 査読の有無 | ||||||||||||
| 値 | yes | |||||||||||
| 研究者情報 | ||||||||||||
| URL | https://hyokadb02.jimu.kyutech.ac.jp/html/58_ja.html | |||||||||||
| 連携ID | ||||||||||||
| 値 | 5300 | |||||||||||
