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| Content Provider | IET Digital Library |
|---|---|
| Author | Bian, Xingming Lin, Yaoyu Pi, Xinan Lu, Tiebing Xu, Feifei Li, Haibing Ma, Yanxiang |
| Abstract | Water drops on the surface of conductors influence the ambient electric fields and decrease corona inception voltage. A conductor coated with TiO2 film was developed to prevent effects of droplets. The corona inception voltage of conductors in different conditions was measured. The experiments were designed to study effects of three factors including UV-light, the position of water drops, and mass fraction of TiO2 on corona discharge. The influences on the three factors to the corona inception discharge were summarised. Different processes of corona occurred when a water drop on upper or lower surface of the conductor. The contact angle is smaller when the conductor is coated with the paint containing TiO2 because TiO2 is hydrophilic under UV-light. UV-light can improve TiO2's hydrophilia. The ingredients of the paint are insulated. These ingredients prevent the adsorption of space charge and enlarge ionisation layers, thus the corona discharge will be restrained. With the increase of TiO2's mass fraction under the UV-light, the impact of water drops to discharge is further inhibited and the corona inception discharge voltage is increased. |
| Starting Page | 3046 |
| Ending Page | 3050 |
| 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.2018.8424 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2018-10-29 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/) |
| Subject Keyword | Ambient Electric Field Conductors Conductors (electric) Contact Angle Corona Corona Inception Discharge Voltage Drops Electric Field Gaseous Insulation, Breakdown And Discharges Hydrophilic Film Hydrophobicity Mass Fraction Semiconductor Material Semiconductor Thin Film TiO2 Titanium Compound UV-light Water Drops |
| Content Type | Text |
| Resource Type | Article |
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