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| Content Provider | IET Digital Library |
|---|---|
| Author | Zhou, Feifan Ding, Yujian Wang, Shenghui Yao, Xiuyuan Lv, Fangcheng |
| Abstract | Previously, the research about the influence of rainfall on the discharge characteristics of the gap mainly focused on the severe non-uniform electric field gap such as rod–plane, rod–rod, or tower head of which the electrode size was generally small. As the DC voltage level increases, the size of the fitting at the end of the device further increases. As a result, the impact of rain on the discharge characteristics would have significant changes. In this study, the influence of rainwater on the electric field distribution characteristics of the sphere–plane air gap was simulated and the electric field distortion characteristic formed by the rain collected at the bottom of the fitting was obtained. Then, the impulse discharge test of the fitting under different rainfalls was conducted from which the influence of different rainfall on the impulse discharge voltage of sphere–plane gap was analysed. The research results can be used to optimise the design of the end fittings of outdoor DC field equipment. |
| Starting Page | 2748 |
| Ending Page | 2752 |
| Page Count | 5 |
| Volume Number | 2019 |
| e-ISSN | 20513305 |
| Issue Number | Issue 16, Mar (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/conferences/cn-adc-2018 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2018.8535 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2018-10-26 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution -Non Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) |
| Subject Keyword | Air Gap DC Voltage Level Dielectric Breakdown And Discharges Discharge Characteristic Discharges (electric) Electric Field Electric Field Distortion Characteristic Electric Field Distribution Characteristic Electrode Size Environmental Factors Impulse Discharge Test Impulse Discharge Voltage Nonuniform Electric Field Gap Outdoor DC Field Equipment Rain Rainfall Rainwater Sphere–plane Air Gap Switching Impulse Voltage |
| Content Type | Text |
| Resource Type | Article |
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