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| Content Provider | IET Digital Library |
|---|---|
| Author | Sánchez, Marcos Iglesias, Gregorio Carballo, Rodrigo Fraguela, Jose A. |
| Abstract | Owing to the natural variability of tidal flow, the curve of available power against time at the site of a tidal stream plant is typically spiky. This means that, for the power peaks to be fully exploited, the installed capacity of the plant would have to be large relative to its mean power output. In practice, a balance should be struck between the percentage of the total resource that is exploited and the installed power (and installation cost) of the plant. The purpose of this study is to examine this problematic through a case study: a tidal stream plant proposed for Ria de Ortigueira, a large estuary in north-west Spain with a tidal range of 4.5 m. A numerical model of the estuary hydrodynamics is implemented, calibrated and successfully validated using field data. The model is used to determine the tidal flow patterns. The question of the installed capacity is examined for the two areas with the greatest potential as tidal stream sites. It is shown that the nominal power that is required can be greatly reduced by relinquishing the peaks of the power curve, with only a slight reduction in the energy output. |
| Starting Page | 246 |
| Ending Page | 253 |
| Page Count | 8 |
| ISSN | 17521416 |
| Volume Number | 7 |
| e-ISSN | 17521424 |
| Issue Number | Issue 3, May (2013) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-rpg/7/3 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-rpg.2012.0059 |
| Journal | IET Renewable Power Generation |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Coastal And Estuarine Oceanography Estuary Hydrodynamics Europe Hydrodynamics North-west Spain Numerical Model Power Curve Power Generation Economics Power Peaks Power Plant Installation Cost Power System Economics Power System Managemen Power System Operation Ria De Ortigueira Surface Wave, Tides, And Sea Level Tidal Flow Pattern Tidal Power Stations Tidal Power Stations And Plant Tidal Stream Energy Tidal Stream Plant Tides |
| Content Type | Text |
| Resource Type | Article |
| Subject | Renewable Energy, Sustainability and the Environment |
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