Terahertz time-domain spectroscopy detection of metal foreign bodies in GIS equipment
Metallic foreign bodies often appear in Gas-insulated Switchgear (GIS). Metallic foreign bodies can cause great harm to the insulation performance of GIS equipment. Therefore, it is very necessary to detect metal foreign bodies in GIS equipment. In this paper, terahertz time-domain spectroscopy is u...
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Published in | 2021 IEEE Far East NDT New Technology & Application Forum (FENDT) pp. 22 - 28 |
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Main Authors | , , , , , , , |
Format | Conference Proceeding |
Language | English |
Published |
IEEE
14.12.2021
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Abstract | Metallic foreign bodies often appear in Gas-insulated Switchgear (GIS). Metallic foreign bodies can cause great harm to the insulation performance of GIS equipment. Therefore, it is very necessary to detect metal foreign bodies in GIS equipment. In this paper, terahertz time-domain spectroscopy is used to measure the three insulating materials of epoxy resin, silicon rubber, ceramics and the mixture of the three materials experimentally. Then obtain the time-domain, frequency-domain, and absorption spectra of the four groups of materials. On this basis, aluminum powder and copper powder were added to the four sets of insulating material samples, and the time domain, frequency domain, and absorption spectra of the materials after adding aluminum powder and copper powder were obtained by using terahertz time-domain spectroscopy technology. The experimental results show that after adding the metal powder to the insulating material, the time domain, frequency domain and absorption spectrogram of the material will be significantly reduced. The terahertz technology can quickly and accurately detect whether there are metal foreign bodies in the GIS equipment, thereby ensuring the safe operation of the power grid. |
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AbstractList | Metallic foreign bodies often appear in Gas-insulated Switchgear (GIS). Metallic foreign bodies can cause great harm to the insulation performance of GIS equipment. Therefore, it is very necessary to detect metal foreign bodies in GIS equipment. In this paper, terahertz time-domain spectroscopy is used to measure the three insulating materials of epoxy resin, silicon rubber, ceramics and the mixture of the three materials experimentally. Then obtain the time-domain, frequency-domain, and absorption spectra of the four groups of materials. On this basis, aluminum powder and copper powder were added to the four sets of insulating material samples, and the time domain, frequency domain, and absorption spectra of the materials after adding aluminum powder and copper powder were obtained by using terahertz time-domain spectroscopy technology. The experimental results show that after adding the metal powder to the insulating material, the time domain, frequency domain and absorption spectrogram of the material will be significantly reduced. The terahertz technology can quickly and accurately detect whether there are metal foreign bodies in the GIS equipment, thereby ensuring the safe operation of the power grid. |
Author | Fan, Xiao-liang Li, Zong-hong Liu, Rong-hai Kong, Xu-hui Qiu, Fang-cheng Cheng, Xue-ting Zong, Peng-jin Jiang, Sheng-qi |
Author_xml | – sequence: 1 givenname: Zong-hong surname: Li fullname: Li, Zong-hong email: 1661181591@qq.com organization: Yunnan Power Grid Co., Ltd. Electric Power Research Institute,Kunming,China,650217 – sequence: 2 givenname: Peng-jin surname: Zong fullname: Zong, Peng-jin organization: Postgraduate Workstation of Yunnan Power Grid Co., Ltd.,Kunming,China,650217 – sequence: 3 givenname: Xue-ting surname: Cheng fullname: Cheng, Xue-ting organization: Yunnan Power Grid Co., Ltd. Electric Power Research Institute,Kunming,China,650217 – sequence: 4 givenname: Fang-cheng surname: Qiu fullname: Qiu, Fang-cheng organization: Yunnan Power Grid Co., Ltd. Electric Power Research Institute,Kunming,China,650217 – sequence: 5 givenname: Rong-hai surname: Liu fullname: Liu, Rong-hai organization: Yunnan Power Grid Co., Ltd. Electric Power Research Institute,Kunming,China,650217 – sequence: 6 givenname: Xiao-liang surname: Fan fullname: Fan, Xiao-liang organization: North China Electric Power University,Department of Mechanical Engineering,Baoding,China,071003 – sequence: 7 givenname: Xu-hui surname: Kong fullname: Kong, Xu-hui organization: Yunnan Power Grid Co., Ltd. Electric Power Research Institute,Kunming,China,650217 – sequence: 8 givenname: Sheng-qi surname: Jiang fullname: Jiang, Sheng-qi organization: Postgraduate Workstation of Yunnan Power Grid Co., Ltd.,Kunming,China,650217 |
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Snippet | Metallic foreign bodies often appear in Gas-insulated Switchgear (GIS). Metallic foreign bodies can cause great harm to the insulation performance of GIS... |
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SubjectTerms | Absorption absorption spectrum Aluminum frequency domain Frequency-domain analysis Gas insulation insulating materials metal foreign bodies Powders Spectroscopy Terahertz materials Terahertz time-domain spectroscopy technology time domain |
Title | Terahertz time-domain spectroscopy detection of metal foreign bodies in GIS equipment |
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