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| Content Provider | IET Digital Library |
|---|---|
| Author | Ma, Yueyang Zou, Guibin Song, Shenglan Guo, Jianbao Gao, Zhanjun |
| Abstract | Currently, the flexible direct current transmission technique becomes a research focus around the world, and be applied in power engineering projects gradually. However, due to the topology of the modular multi-level converter (MMC), a rapidly rising fault current will appear in case of the fault on the DC side, which constraints the development of MMC-based flexible high-voltage direct current (MMC–HVDC) system. To restraint the fault current, this paper proposes a novel fault current-limiting scheme for symmetrical bipolar MMC–HVDC system, which consists of a current-limiting resistance and dozens of serial controllable power electronics in parallel with the current-limiting resistance. The current-limiting resistance is designed to reduce the fault current and the requirement for the direct current circuit breaker (DCCB) capacity. The novel current-limiting scheme configuration and operation principles are analysed. Finally, a symmetric bipolar MMC–HVDC system model is constructed, and simulation results show the feasibility of the proposed fault current-limiting scheme. |
| Starting Page | 2233 |
| Ending Page | 2238 |
| Page Count | 6 |
| 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.2018.8871 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2018-10-26 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution-Non Commercial-No Derivs License (http://creativecommons.org/licenses/by-nc-nd/3.0/) |
| Subject Keyword | Control of Electric Power System D.C. Transmission Fault Current Fault Current-limiting Scheme Fault Diagnosis Flexible Direct Current Transmission Technique High-voltage Direct Current HVDC Power Converter HVDC Power Transmission MMC-based Flexible HVDC System Multilevel Converter Novel Current-limiting Scheme Configuration Operation Principles Power Converter Power Electronics Power Engineering Projects Power Overhead Line Power Supplies to Apparatus Power Transmission Control Rapidly Rising Fault Current Serial Controllable Power Electronics Symmetric Bipolar MMC–HVDC System Model Symmetrical Bipolar MMC–HVDC System |
| Content Type | Text |
| Resource Type | Article |
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