Spatial Spectral Characteristics of Partial Discharge with Different Electrode Models
In this paper, the spatial spectral characteristics of partial discharge (PD) under different electrode models are mainly studied. In the initial corona discharge stage, the emission spectrum is mainly emitted by the N<sub>2</sub>(<i>C</i><sup>3</sup><i>II&l...
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| Format: | Article |
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MDPI AG
2023-07-01
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| Series: | Photonics |
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| Online Access: | https://www.mdpi.com/2304-6732/10/7/788 |
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| author | Taiqi Wang Yongkang Cheng Chao Xu Haoyu Li Jiayao Cheng Gangding Peng Qiang Guo |
| author_facet | Taiqi Wang Yongkang Cheng Chao Xu Haoyu Li Jiayao Cheng Gangding Peng Qiang Guo |
| author_sort | Taiqi Wang |
| collection | DOAJ |
| description | In this paper, the spatial spectral characteristics of partial discharge (PD) under different electrode models are mainly studied. In the initial corona discharge stage, the emission spectrum is mainly emitted by the N<sub>2</sub>(<i>C</i><sup>3</sup><i>II</i><sub>u</sub>→<i>B</i><sup>3</sup><i>II</i><sub>g</sub>) energy level transition of the N<sub>2</sub> second positive band system. The spectrum is in the ultraviolet range of 294–436 nm, and its main peak is at 337 nm. The streamer discharge stage spectrum is mainly emitted by the energy level transition of the second positive band system of N<sub>2</sub>, N<sup>+</sup>, NO, and O<sup>+</sup> and the first positive band system of N<sub>2</sub>(<i>B</i><sup>3</sup><i>II</i><sub>g</sub>→<i>A</i><sup>3</sup><inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msubsup><mi>Σ</mi><mi mathvariant="normal">u</mi><mo>+</mo></msubsup></mrow></semantics></math></inline-formula>). In the gap of different polarity electrodes, the ultraviolet spectrum content near the positive polarity is more abundant. The UV spectra ranges are 202–225 nm and 229–292 nm, respectively. The discharge of the needle–sphere system is more intense in visible light and near-infrared light, with peaks at 500 nm and 777 nm, respectively. In addition, the PD process based on the finite element method is simulated by COMSOL Multiphysics software. The simulation results show that the distribution of high-energy electron density varies with the electrode spacing and discharge model. The influence of particle energy level transition on the spatial spectral characteristics of PD is verified. This work provides important insights and possibilities for future fluorescent fiberoptic sensing and positioning for spatial PD detection and positioning using spectral characteristic peaks as detection quantities or excitations. |
| first_indexed | 2024-03-11T00:43:37Z |
| format | Article |
| id | doaj.art-18f2baee41904a488eda7a99e4440d38 |
| institution | Directory Open Access Journal |
| issn | 2304-6732 |
| language | English |
| last_indexed | 2024-03-11T00:43:37Z |
| publishDate | 2023-07-01 |
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| series | Photonics |
| spelling | doaj.art-18f2baee41904a488eda7a99e4440d382023-11-18T20:58:11ZengMDPI AGPhotonics2304-67322023-07-0110778810.3390/photonics10070788Spatial Spectral Characteristics of Partial Discharge with Different Electrode ModelsTaiqi Wang0Yongkang Cheng1Chao Xu2Haoyu Li3Jiayao Cheng4Gangding Peng5Qiang Guo6Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai University, Shanghai 200444, ChinaKey Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai University, Shanghai 200444, ChinaKey Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai University, Shanghai 200444, ChinaKey Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai University, Shanghai 200444, ChinaKey Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai University, Shanghai 200444, ChinaPhotonics & Optical Communications, School of Electrical Engineering & Telecommunications, University of New South Wales, Sydney, NSW 2052, AustraliaKey Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai University, Shanghai 200444, ChinaIn this paper, the spatial spectral characteristics of partial discharge (PD) under different electrode models are mainly studied. In the initial corona discharge stage, the emission spectrum is mainly emitted by the N<sub>2</sub>(<i>C</i><sup>3</sup><i>II</i><sub>u</sub>→<i>B</i><sup>3</sup><i>II</i><sub>g</sub>) energy level transition of the N<sub>2</sub> second positive band system. The spectrum is in the ultraviolet range of 294–436 nm, and its main peak is at 337 nm. The streamer discharge stage spectrum is mainly emitted by the energy level transition of the second positive band system of N<sub>2</sub>, N<sup>+</sup>, NO, and O<sup>+</sup> and the first positive band system of N<sub>2</sub>(<i>B</i><sup>3</sup><i>II</i><sub>g</sub>→<i>A</i><sup>3</sup><inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msubsup><mi>Σ</mi><mi mathvariant="normal">u</mi><mo>+</mo></msubsup></mrow></semantics></math></inline-formula>). In the gap of different polarity electrodes, the ultraviolet spectrum content near the positive polarity is more abundant. The UV spectra ranges are 202–225 nm and 229–292 nm, respectively. The discharge of the needle–sphere system is more intense in visible light and near-infrared light, with peaks at 500 nm and 777 nm, respectively. In addition, the PD process based on the finite element method is simulated by COMSOL Multiphysics software. The simulation results show that the distribution of high-energy electron density varies with the electrode spacing and discharge model. The influence of particle energy level transition on the spatial spectral characteristics of PD is verified. This work provides important insights and possibilities for future fluorescent fiberoptic sensing and positioning for spatial PD detection and positioning using spectral characteristic peaks as detection quantities or excitations.https://www.mdpi.com/2304-6732/10/7/788partial dischargepartial discharge spectrumelectrode modelfinite element numerical simulationspatial spectral analysis |
| spellingShingle | Taiqi Wang Yongkang Cheng Chao Xu Haoyu Li Jiayao Cheng Gangding Peng Qiang Guo Spatial Spectral Characteristics of Partial Discharge with Different Electrode Models Photonics partial discharge partial discharge spectrum electrode model finite element numerical simulation spatial spectral analysis |
| title | Spatial Spectral Characteristics of Partial Discharge with Different Electrode Models |
| title_full | Spatial Spectral Characteristics of Partial Discharge with Different Electrode Models |
| title_fullStr | Spatial Spectral Characteristics of Partial Discharge with Different Electrode Models |
| title_full_unstemmed | Spatial Spectral Characteristics of Partial Discharge with Different Electrode Models |
| title_short | Spatial Spectral Characteristics of Partial Discharge with Different Electrode Models |
| title_sort | spatial spectral characteristics of partial discharge with different electrode models |
| topic | partial discharge partial discharge spectrum electrode model finite element numerical simulation spatial spectral analysis |
| url | https://www.mdpi.com/2304-6732/10/7/788 |
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