Distributed Online Feedback Optimization for Real-time Distribution System Voltage Regulation
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arXiv
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| Auteurs principaux: | , , , , , |
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866909689552306176 |
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| author | Zhan, Sen Paterakis, Nikolaos G. Akker, Wouter van den van der Molen, Anne Morren, Johan Slootweg, Han |
| author_facet | Zhan, Sen Paterakis, Nikolaos G. Akker, Wouter van den van der Molen, Anne Morren, Johan Slootweg, Han |
| contents | We investigate the real-time voltage regulation problem in distribution systems employing online feedback optimization (OFO) with short-range communication between physical neighbours. OFO does not need an accurate grid model nor estimated consumption of non-controllable loads, affords fast calculations, and demonstrates robustness to uncertainties and disturbances, which render it particularly suitable for real-time distribution system applications. However, many OFO controllers require centralized communication, making them susceptible to single-point failures. This paper proposes a distributed OFO design based on a nested feedback optimization strategy and analyzes its convergence. The strategy preserves end-users' privacy by keeping voltage data local. Numerical study results demonstrate that the proposed design achieves effective voltage regulation and outperforms other distributed and local approaches. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_02487 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Distributed Online Feedback Optimization for Real-time Distribution System Voltage Regulation Zhan, Sen Paterakis, Nikolaos G. Akker, Wouter van den van der Molen, Anne Morren, Johan Slootweg, Han Systems and Control We investigate the real-time voltage regulation problem in distribution systems employing online feedback optimization (OFO) with short-range communication between physical neighbours. OFO does not need an accurate grid model nor estimated consumption of non-controllable loads, affords fast calculations, and demonstrates robustness to uncertainties and disturbances, which render it particularly suitable for real-time distribution system applications. However, many OFO controllers require centralized communication, making them susceptible to single-point failures. This paper proposes a distributed OFO design based on a nested feedback optimization strategy and analyzes its convergence. The strategy preserves end-users' privacy by keeping voltage data local. Numerical study results demonstrate that the proposed design achieves effective voltage regulation and outperforms other distributed and local approaches. |
| title | Distributed Online Feedback Optimization for Real-time Distribution System Voltage Regulation |
| topic | Systems and Control |
| url | https://arxiv.org/abs/2405.02487 |