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| Content Provider | IET Digital Library |
|---|---|
| Author | Lee, Ho Yun Asif, Mansoor Park, Kyu Hoon Lee, Bang Wook |
| Abstract | The key obstacle in implementing high-voltage direct current (HVDC) grid, which is considered as the future of power grid, is the absence of effective DC circuit breaker (DCCB). At present, HVDC grid could be based on half-bridge (HB) or full-bridge (FB) voltage source converter (VSC). Among these two converter topologies, FB topology has an advantage of reverse current blocking at a much higher cost compared to HB technology and still requires a DCCB for isolating the faulty line. Therefore, HB technology is more realistic to implement HVDC grid economically if DC fault current could be controlled more effectively. In this respect, this article suggests feasible fault protection strategy based on superconducting fault current limiter (SFCL) and passive resonance circuit breaker (PRCB) which could be applied effectively to HB system. To evaluate the performance of suggested protection scheme, comparative study of full-bridge modular multilevel converter (FB-MMC) protection was performed. In addition, the process to determine the optimal range for quenching resistance of SFCL was also investigated. Consequently, the authors’ suggested protection scheme has shown remarkably improved fault current limiting and interruption performance compared to FB-MMC protection scheme. |
| Starting Page | 767 |
| Ending Page | 770 |
| Page Count | 4 |
| 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.2018.9040 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2018-10-22 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution-Non Commercial-No Derivs License (http://creativecommons.org/licenses/by-nc-nd/3.0/) |
| Subject Keyword | Authors Circuit Breaker Converter Topology D.C. Transmission DC Fault Current DCCB Effective DC Circuit Breaker Fault Current FB Topology FB-MMC Protection Scheme Feasible Fault Protection Strategy Feasible Protection Strategy Full-bridge Modular Multilevel Converter Protection Full-bridge Voltage Source Converter Half-bridge Voltage Source Converter HB System HB Technology High-voltage Direct Current Grid Higher Cost Compared HVDC Grid HVDC Power Converter HVDC Power Transmission HVDC System Interruption Performance Passive Resonance Circuit Breaker Passive Resonance DC Breaker Power Converter Power Grid Power Supplies to Apparatus PRCB Protection Apparatus Reverse Current SFCL Suggested Protection Scheme Superconducting Fault Current Limiter Superconducting Fault Current Limiters Switch VSC |
| Content Type | Text |
| Resource Type | Article |
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