Optimal control of wind farms for coordinated TSO-DSO reactive power management

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Stock, D.S.; Sala, F.; Berizzi, A.; Hofmann, L.: Optimal control of wind farms for coordinated TSO-DSO reactive power management. In: Energies 11 (2018), Nr. 2, 173. DOI: https://doi.org/10.3390/en11010173

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Sum total of downloads: 98

The growing importance of renewable generation connected to distribution grids requires an increased coordination between transmission system operators (TSOs) and distribution system operators (DSOs) for reactive power management. This work proposes a practical and effective interaction method based on sequential optimizations to evaluate the reactive flexibility potential of distribution networks and to dispatch them along with traditional synchronous generators, keeping to a minimum the information exchange. A modular optimal power flow (OPF) tool featuring multi-objective optimization is developed for this purpose. The proposed method is evaluated for a model of a real German 110 kV grid with 1.6 GW of installed wind power capacity and a reduced order model of the surrounding transmission system. Simulations show the benefit of involving wind farms in reactive power support reducing losses both at distribution and transmission level. Different types of setpoints are investigated, showing the feasibility for the DSO to fulfill also individual voltage and reactive power targets over multiple connection points. Finally, some suggestions are presented to achieve a fair coordination, combining both TSO and DSO requirements. © 2017 by the authors.
License of this version: CC BY 4.0
Document Type: article
Publishing status: publishedVersion
Issue Date: 2018
Appears in Collections:Fakultät für Elektrotechnik und Informatik

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pos. country downloads
total perc.
1 image of flag of Germany Germany 56 57.14%
2 image of flag of United States United States 29 29.59%
3 image of flag of China China 4 4.08%
4 image of flag of Russian Federation Russian Federation 3 3.06%
5 image of flag of Norway Norway 2 2.04%
6 image of flag of Indonesia Indonesia 2 2.04%
7 image of flag of Guernsey Guernsey 1 1.02%
8 image of flag of United Kingdom United Kingdom 1 1.02%

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