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| Content Provider | IET Digital Library |
|---|---|
| Author | Yaochong, Gao Qingquan, Li Ang, Ren Peijin, Wang Zhitao, Wang Shuai, Ma Zhunrong, Zhao |
| Abstract | In order to study the transient motion of the space charge around the air tower insulator and the charge distribution of the insulator, a two-dimensional mixed numerical model of the insulator string based on chemical reaction is proposed. The simulation is used to obtain the space charge generation mechanism and its distribution on the insulator surface. The chemical reaction of particles mainly involves ionisation and recombination. Based on the simulation model, it is found that the accumulation of electrons on the surface of the insulation is the main reason for the distortion of the surface of the insulator. With the increase of the discharge time, the electron temperature decreases and the reaction rate decreases. The ionisation reaction gradually reaches the dynamic equilibrium. The umbrella skirt under the surface of the ion to stabilise the moment to be earlier than the umbrella skirt surface ions to achieve the steady state of the moment. A numerical model of air discharge based on Monte Carlo collision is proposed, which can well simulate the distribution of charge around the insulator of atmospheric tower. It is very important to study the phenomenon of the insulator along the surface discharge. |
| Starting Page | 2909 |
| Ending Page | 2915 |
| Page Count | 7 |
| 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.2018.8914 |
| 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-No Derivs License (http://creativecommons.org/licenses/by-nd/3.0/) |
| Subject Keyword | Ageing Air Discharge Particle Transport Air Tower Insulator Atomic, Molecular, Ion And Heavy Particle Collisions in Plasma Charge Distribution Chemical Reaction Connector Dielectric Breakdown And Discharges Dynamic Equilibrium Electric Discharges Electron Collisions in Plasma Electron Temperature Insulator Insulator String Ionisation Ionisation Reaction Monte Carlo Collision Rule Monte Carlo Method Plasma Collision Processes Plasma Simulation Plasma Temperature Plasma Temperature And Density Plasma Transport Processes Plasma Transport Property Power Line Supports Probability Theory Reaction Rate Simulation Model Space Charge Space Charge Generation Mechanism Statistics Stochastic Linearised SCUC Surface Charge Accumulation Process Surface Charging Surface Discharge Surface Discharges Transient Motion Two-dimensional Mixed Numerical Model Umbrella Skirt Surface Ions |
| Content Type | Text |
| Resource Type | Article |
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