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| Content Provider | IET Digital Library |
|---|---|
| Author | Shah, Rakibuzzaman Barnes, Mike Preece, Robin |
| Abstract | To exploit the full and flexible capability of offshore voltage-sourced converter high-voltage DC (VSC-HVDC) lines, interaction studies in the offshore AC grid are required but are not well understood or reported. This study examines the interaction dynamics of an offshore AC grid for interconnecting large wind power plants (WPPs). The conventional eigenvalue analysis method has limitations which make the interaction analysis of such systems difficult. Hence, in this study, an impedance-based analytical approach is employed to investigate the interaction phenomena. The impedance model of a VSC-HVDC converter for both direct and vector control with outer and droop controls are derived along with the impedance model of the full-converter wind generator. The interaction dynamics of the offshore grid is predicted through the well-established Nyquist criteria and is validated using time-domain simulations. The analysis shows that the system stability is decidedly influenced by the control configurations and tuning of the VSC-HVDC lines. |
| Starting Page | 723 |
| Ending Page | 731 |
| Page Count | 9 |
| ISSN | 17521416 |
| Volume Number | 11 |
| e-ISSN | 17521424 |
| Issue Number | Issue 6, May (2017) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-rpg/11/6 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-rpg.2016.0693 |
| Journal | IET Renewable Power Generation |
| Publisher Date | 2017-01-20 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | A.C. Machine AC Generators D.C. Transmission Direct Control Droop Controls Eigenvalue Analysis Method Full-converter Wind Generator HVDC Power Converter Impedance Model Impedance-based Analytical Approach Interaction Characterisation Interaction Dynamics Nyquist Criteria Offshore AC Grid Offshore Installations Offshore Voltage-sourced Converter High-voltage DC Line Power Grid System Stability Time-domain Simulation Vector Control Voltage-source Converter VSC-HVDC Converter Wind Power Plant WPPs |
| Content Type | Text |
| Resource Type | Article |
| Subject | Renewable Energy, Sustainability and the Environment |
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