Hierarchical Provision of Distribution Grid Flexibility with Online Feedback Optimization
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arXiv
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| Hauptverfasser: | , , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866917614699151360 |
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| author | Klein-Helmkamp, Florian Zettl, Irina Schmidtke, Florian Ortmann, Lukas Ulbig, Andreas |
| author_facet | Klein-Helmkamp, Florian Zettl, Irina Schmidtke, Florian Ortmann, Lukas Ulbig, Andreas |
| contents | Utilizing distribution grid flexibility for ancillary services requires the coordination and dispatch of requested active and reactive power to a large number of distributed energy resources in underlying grid layers. This paper presents an approach to hierarchically dispatch flexibility requests based on Online Feedback Optimization (OFO). We implement a framework of individual controllers coordinating actors, contributing to flexibility provision, to track a requested operating point at the interface between grid layers. The framework is evaluated in terms of performance during coordination and possible interaction between individual controllers, both central and distributed. Results show high reliability and robustness of the OFO controllers as well as an efficient dispatch of active and reactive power. Its computational efficiency and capabilities in set point tracking during online grid operation are making OFO a promising approach to the flexibility dispatch problem. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2403_10315 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Hierarchical Provision of Distribution Grid Flexibility with Online Feedback Optimization Klein-Helmkamp, Florian Zettl, Irina Schmidtke, Florian Ortmann, Lukas Ulbig, Andreas Systems and Control Utilizing distribution grid flexibility for ancillary services requires the coordination and dispatch of requested active and reactive power to a large number of distributed energy resources in underlying grid layers. This paper presents an approach to hierarchically dispatch flexibility requests based on Online Feedback Optimization (OFO). We implement a framework of individual controllers coordinating actors, contributing to flexibility provision, to track a requested operating point at the interface between grid layers. The framework is evaluated in terms of performance during coordination and possible interaction between individual controllers, both central and distributed. Results show high reliability and robustness of the OFO controllers as well as an efficient dispatch of active and reactive power. Its computational efficiency and capabilities in set point tracking during online grid operation are making OFO a promising approach to the flexibility dispatch problem. |
| title | Hierarchical Provision of Distribution Grid Flexibility with Online Feedback Optimization |
| topic | Systems and Control |
| url | https://arxiv.org/abs/2403.10315 |