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Energies 2018, 11(3), 583; https://doi.org/10.3390/en11030583

Multiarea Voltage Controller for Active Distribution Networks

Dipartimento di Ingegneria Elettrica e dell’Informazione, Politecnico di Bari, Via Re David, 200, 70125 Bari, Italy
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Received: 2 February 2018 / Revised: 28 February 2018 / Accepted: 5 March 2018 / Published: 7 March 2018
(This article belongs to the Section Electrical Power and Energy System)
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Abstract

The aim of this paper was to develop a multi-area decentralized controller for improving the voltage profile of large active distribution networks. Voltages at control buses of each area are kept as close as possible to their reference values by managing the reactive power of distributed generators within the same areas. Moreover, in order to avoid exchanging a considerable amount of data on more or less large portions of the network, the proposed methodology adopted an equivalent reduced network for each area. This equivalent network model is seen at control buses and nodes where distributed generation units are connected. With this simplification, each area controller will have to evaluate simultaneously, the unknown parameters of the reduced network and the optimal control laws for the voltage profile optimization of its control area. To comply with this exigency, a multi-objective optimization problem was formulated. The solution of this problem formulation was found by adopting an algorithm operating in the continuous time domain. Test results are provided on a 49-bus distribution network, demonstrating the effectiveness of the developed methodology. View Full-Text
Keywords: multiarea controllers; voltage control; active distribution networks; equivalent reduced network; reactive power control multiarea controllers; voltage control; active distribution networks; equivalent reduced network; reactive power control
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Cagnano, A.; De Tuglie, E.; Bronzini, M. Multiarea Voltage Controller for Active Distribution Networks. Energies 2018, 11, 583.

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