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| Content Provider | IET Digital Library |
|---|---|
| Author | Wu, Ming Li, Rui Yang, Linze Gu, Hanwen Wang, Yueqi Jiao, Zaibin |
| Abstract | Hybrid alternating current (AC)/direct current (DC) distribution is a promising technology emerging for future power systems owing to its advantages, such as high controllability and compatibility. The stability of grid-connected converters is essential for the operation of an AC/DC distribution system. This study analyses the stable operation requirements of converters under different control modes based on the short-circuit ratio (SCR). Then, a method to calculate the critical SCR (CSCR) of a specified converter is proposed. Based on the CSCR of each converter, the stability criterion to judge the stability of multi-terminal DC (MTDC) distribution networks is proposed. To verify the accuracy and effectiveness of the proposed method and criterion, detailed electromagnetic simulations using PSCAD are conducted. The simulations indicate that the analysis results obtained using the proposed method and criterion are accurate, and the presented stable operation requirements of the converters can help to enhance the controllability of hybrid AC/DC distribution systems. |
| Starting Page | 789 |
| Ending Page | 798 |
| Page Count | 10 |
| Volume Number | 2020 |
| e-ISSN | 20513305 |
| Issue Number | Issue 9, Sep (2020) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/2020/9 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2019.1279 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2020-05-29 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution -Non Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) |
| Subject Keyword | Control of Electric Power System D.C. Transmission Different Control Modes Distribution Network Future Power System Grid-connected Converter HVDC Power Converter HVDC Power Transmission Multiterminal DC Distribution Network Power Converter Power Grid Power Supplies to Apparatus Presented Stable Operation Requirements Specified Converter Stable Operation Region |
| Content Type | Text |
| Resource Type | Article |
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