Research on influence factors of corona onset characteristics of AC grading rings based on three‐dimensional calculation physical model
Abstract In order to obtain the influence laws and mechanisms of size parameters (ring diameter and pipe diameter) of the grading ring and environmental parameters (atmospheric pressure, temperature, and humidity) on corona onset characteristics of a grading ring, a three‐dimensional (3‐D) calculati...
| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2021-11-01
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| Series: | IET Generation, Transmission & Distribution |
| Subjects: | |
| Online Access: | https://doi.org/10.1049/gtd2.12233 |
| _version_ | 1811272584869707776 |
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| author | Shilong Huang Xiaoliang Yan Yunpeng Liu Guangzhou Zhang Jian Tang Chen Liu Yongshuang Li Wangling He |
| author_facet | Shilong Huang Xiaoliang Yan Yunpeng Liu Guangzhou Zhang Jian Tang Chen Liu Yongshuang Li Wangling He |
| author_sort | Shilong Huang |
| collection | DOAJ |
| description | Abstract In order to obtain the influence laws and mechanisms of size parameters (ring diameter and pipe diameter) of the grading ring and environmental parameters (atmospheric pressure, temperature, and humidity) on corona onset characteristics of a grading ring, a three‐dimensional (3‐D) calculation physical model of corona onset considering the influence of size parameters of the grading ring and environmental parameters is established by proposing an area factor of a photon absorption function suitable for the grading ring. Combined with the thickness of ionised layer and the effective ionisation coefficient, the influence mechanisms of size parameters of the grading ring and environmental parameters on corona onset characteristics are given. The calculation results show that with the increase of the pipe diameter and ring diameter, the corona onset voltage increases gradually and the corona onset field intensity decreases gradually. The increase of the effective ionisation coefficient leads to the expansion of ionisation region, which leads to the decrease of corona onset voltage with the decrease of atmospheric pressure and the increase of temperature. The enhancement of capacity for collisional ionisation in the region with the high field intensity leads to the decrease of corona onset voltage with the increase of humidity. |
| first_indexed | 2024-04-12T22:42:58Z |
| format | Article |
| id | doaj.art-c51260fd2da344128a9203c342bd5bf2 |
| institution | Directory Open Access Journal |
| issn | 1751-8687 1751-8695 |
| language | English |
| last_indexed | 2024-04-12T22:42:58Z |
| publishDate | 2021-11-01 |
| publisher | Wiley |
| record_format | Article |
| series | IET Generation, Transmission & Distribution |
| spelling | doaj.art-c51260fd2da344128a9203c342bd5bf22022-12-22T03:13:39ZengWileyIET Generation, Transmission & Distribution1751-86871751-86952021-11-0115212967297710.1049/gtd2.12233Research on influence factors of corona onset characteristics of AC grading rings based on three‐dimensional calculation physical modelShilong Huang0Xiaoliang Yan1Yunpeng Liu2Guangzhou Zhang3Jian Tang4Chen Liu5Yongshuang Li6Wangling He7Hebei Provincial Key Laboratory of Power Transmission Equipment Security Defense North China Electric Power University Baoding ChinaHebei Provincial Key Laboratory of Power Transmission Equipment Security Defense North China Electric Power University Baoding ChinaHebei Provincial Key Laboratory of Power Transmission Equipment Security Defense North China Electric Power University Baoding ChinaWuhan Nanrui Co., Ltd State Grid Electric Power Research Institute Wuhan ChinaDepartment of Power Grid Electric Power Planning & Engineering Institute Co., Ltd Beijing ChinaDepartment of Power Grid Electric Power Planning & Engineering Institute Co., Ltd Beijing ChinaDepartment of Power Grid Electric Power Planning & Engineering Institute Co., Ltd Beijing ChinaHebei Provincial Key Laboratory of Power Transmission Equipment Security Defense North China Electric Power University Baoding ChinaAbstract In order to obtain the influence laws and mechanisms of size parameters (ring diameter and pipe diameter) of the grading ring and environmental parameters (atmospheric pressure, temperature, and humidity) on corona onset characteristics of a grading ring, a three‐dimensional (3‐D) calculation physical model of corona onset considering the influence of size parameters of the grading ring and environmental parameters is established by proposing an area factor of a photon absorption function suitable for the grading ring. Combined with the thickness of ionised layer and the effective ionisation coefficient, the influence mechanisms of size parameters of the grading ring and environmental parameters on corona onset characteristics are given. The calculation results show that with the increase of the pipe diameter and ring diameter, the corona onset voltage increases gradually and the corona onset field intensity decreases gradually. The increase of the effective ionisation coefficient leads to the expansion of ionisation region, which leads to the decrease of corona onset voltage with the decrease of atmospheric pressure and the increase of temperature. The enhancement of capacity for collisional ionisation in the region with the high field intensity leads to the decrease of corona onset voltage with the increase of humidity.https://doi.org/10.1049/gtd2.12233Plasma transport propertiesPlasma simulationGlow and corona discharges |
| spellingShingle | Shilong Huang Xiaoliang Yan Yunpeng Liu Guangzhou Zhang Jian Tang Chen Liu Yongshuang Li Wangling He Research on influence factors of corona onset characteristics of AC grading rings based on three‐dimensional calculation physical model IET Generation, Transmission & Distribution Plasma transport properties Plasma simulation Glow and corona discharges |
| title | Research on influence factors of corona onset characteristics of AC grading rings based on three‐dimensional calculation physical model |
| title_full | Research on influence factors of corona onset characteristics of AC grading rings based on three‐dimensional calculation physical model |
| title_fullStr | Research on influence factors of corona onset characteristics of AC grading rings based on three‐dimensional calculation physical model |
| title_full_unstemmed | Research on influence factors of corona onset characteristics of AC grading rings based on three‐dimensional calculation physical model |
| title_short | Research on influence factors of corona onset characteristics of AC grading rings based on three‐dimensional calculation physical model |
| title_sort | research on influence factors of corona onset characteristics of ac grading rings based on three dimensional calculation physical model |
| topic | Plasma transport properties Plasma simulation Glow and corona discharges |
| url | https://doi.org/10.1049/gtd2.12233 |
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