Tuning and Testing an Online Feedback Optimization Controller to Provide Curative Distribution Grid Flexibility
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| Autores principales: | , , , , , |
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| Formato: | Preprint |
| Publicado: |
2024
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| _version_ | 1866913252858920960 |
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| author | Ortmann, Lukas Böhm, Fabian Klein-Helmkamp, Florian Ulbig, Andreas Bolognani, Saverio Dörfler, Florian |
| author_facet | Ortmann, Lukas Böhm, Fabian Klein-Helmkamp, Florian Ulbig, Andreas Bolognani, Saverio Dörfler, Florian |
| contents | Due to more volatile generation, flexibility will become more important in transmission grids. One potential source of this flexibility can be distribution grids. A flexibility request from the transmission grid to a distribution grid then needs to be split up onto the different flexibility providing units (FPU) in the distribution grid. One potential way to do this is Online Feedback Optimization (OFO). OFO is a new control method that steers power systems to the optimal solution of an optimization problem using minimal model information and computation power. This paper will show how to choose the optimization problem and how to tune the OFO controller. Afterward, we test the resulting controller on a real distribution grid laboratory and show its performance, its interaction with other controllers in the grid, and how it copes with disturbances. Overall, the paper makes a clear recommendation on how to phrase the optimization problem and tune the OFO controller. Furthermore, it experimentally verifies that an OFO controller is a powerful tool to disaggregate flexibility requests onto FPUs while satisfying operational constraints inside the flexibility providing distribution grid. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2403_01782 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Tuning and Testing an Online Feedback Optimization Controller to Provide Curative Distribution Grid Flexibility Ortmann, Lukas Böhm, Fabian Klein-Helmkamp, Florian Ulbig, Andreas Bolognani, Saverio Dörfler, Florian Systems and Control Due to more volatile generation, flexibility will become more important in transmission grids. One potential source of this flexibility can be distribution grids. A flexibility request from the transmission grid to a distribution grid then needs to be split up onto the different flexibility providing units (FPU) in the distribution grid. One potential way to do this is Online Feedback Optimization (OFO). OFO is a new control method that steers power systems to the optimal solution of an optimization problem using minimal model information and computation power. This paper will show how to choose the optimization problem and how to tune the OFO controller. Afterward, we test the resulting controller on a real distribution grid laboratory and show its performance, its interaction with other controllers in the grid, and how it copes with disturbances. Overall, the paper makes a clear recommendation on how to phrase the optimization problem and tune the OFO controller. Furthermore, it experimentally verifies that an OFO controller is a powerful tool to disaggregate flexibility requests onto FPUs while satisfying operational constraints inside the flexibility providing distribution grid. |
| title | Tuning and Testing an Online Feedback Optimization Controller to Provide Curative Distribution Grid Flexibility |
| topic | Systems and Control |
| url | https://arxiv.org/abs/2403.01782 |