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| Content Provider | IET Digital Library |
|---|---|
| Author | Mohammadi, Reza Vahidi, Behrooz Rahiminejad, Abolfazl |
| Abstract | In this study, the shielding system of HVDC transmission lines against direct lightning strokes is analysed and the shielding failure rate is investigated. The lightning downward leader is modelled using 3D leader progression model (LPM) and the striking point is distinguished employing the self-consistent upward leader inception and propagation model (SLIM). For determination of striking point more accurately, the required parameters of SLIM model are extracted from the recent experimental results. Different effective objects in the space of study including cloud, lightning channel, towers, wires, and ground are modelled using fictitious charges. Moreover, the charge simulation method is used for electric field calculation. Using the foregoing model, the shielding failure rate of an HVDC transmission line is calculated. Also, the percentages of lightning strokes to each part of the structure are obtained in order to investigate the differences between the positive and negative poles in attracting the lightning. In addition, the effect of height and shielding angles of positive and negative poles are studied. All the results are compared with those of electrogeometric model models. |
| Starting Page | 1345 |
| Ending Page | 1351 |
| Page Count | 7 |
| ISSN | 17518822 |
| Volume Number | 13 |
| e-ISSN | 17518830 |
| Issue Number | Issue 9, Nov (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-smt/13/9 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-smt.2018.5180 |
| Journal | IET Science, Measurement & Technology |
| Publisher Date | 2019-09-25 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | 3D Leader Progression Model Adapted SLIM Model Cable Shielding Charge Simulation Method Connector D.C. Transmission Direct Lightning Strokes Electric Field Electrogeometric Model Model Electromagnetic Compatibility HVDC Power Transmission HVDC Transmission Line Insulator Interference Lightning Lightning Channel Lightning Downward Leader Lightning Protection LPM Overhead Power Line Poles And Towers Power Line Supports Power Overhead Line Power System Protection Power Transmission Line Power Transmission Protection Propagation Model Reliability Self-consistent Upward Leader Inception Shielding Shielding Angles Shielding Failure Rate Shielding System Striking Point |
| Content Type | Text |
| Resource Type | Article |
| Subject | Atomic and Molecular Physics, and Optics Electrical and Electronic Engineering |
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