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| Content Provider | IET Digital Library |
|---|---|
| Author | He, Zheng you Liao, Kai |
| Abstract | On the basis of the relation among natural frequency of travelling wave, fault distance and reflect coefficient at the terminal of transmission line, a novel transmission line protection scheme is proposed in this study. The multiple signal classification method is employed to extract the dominant natural frequency through the spectrum analysis of fault travelling wave. Performance of the proposed transmission line protection algorithm is studied through detailed simulations carried out using the electromagnetic transient simulation software PSCAD/EMTDC. The method proposed in this study does not need identifying the surge arrival time. Therefore it is more robust compared with the traditional travelling-wave-based protection scheme. The effect of fault resistance on the proposed protection scheme is also discussed in this study. The simulation results have shown the proposed method is valid and can distinguish internal faults from external faults correctly. |
| Starting Page | 1519 |
| Ending Page | 1525 |
| Page Count | 7 |
| ISSN | 17518687 |
| Volume Number | 9 |
| e-ISSN | 17518695 |
| Issue Number | Issue 13, Oct (2015) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-gtd/9/13 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2014.0367 |
| Journal | IET Generation, Transmission & Distribution |
| Publisher Date | 2015-04-29 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | D.C. Transmission Dominant Natural Frequency Electromagnetic Transient Simulation Software External Fault Fault Distance Fault Resistance Fault Travelling Wave High-voltage Direct Current Transmission Line HVDC Power Converter HVDC Power Transmission Internal Fault Multiple Signal Classification Method Power System Protection Power Transmission Fault Power Transmission Line Power Transmission Protection Protection Scheme PSCAD-EMTDC Reflect Coefficient Signal Classification Signal Processing And Detection Spectral Analysis Spectrum Analysis Voltage Source Converter VSC-HVDC Transmission Line |
| Content Type | Text |
| Resource Type | Article |
| Subject | Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering |
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