Multiarea Voltage Controller for Active Distribution Networks

Alessia Cagnano, Enrico De Tuglie and Marco Bronzini
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Alessia Cagnano: Dipartimento di Ingegneria Elettrica e dell’Informazione, Politecnico di Bari, Via Re David, 200, 70125 Bari, Italy
Enrico De Tuglie: Dipartimento di Ingegneria Elettrica e dell’Informazione, Politecnico di Bari, Via Re David, 200, 70125 Bari, Italy
Marco Bronzini: Dipartimento di Ingegneria Elettrica e dell’Informazione, Politecnico di Bari, Via Re David, 200, 70125 Bari, Italy

Energies, 2018, vol. 11, issue 3, 1-20

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.

Keywords: multiarea controllers; voltage control; active distribution networks; equivalent reduced network; reactive power control (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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