Zoning evaluation for voltage optimization in distribution networks with distributed energy resources
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This paper deals with the problem of the voltage profile optimization in a distribution system including distributed energy resources. Adopting a centralized approach, the voltage optimization is a non-linear programming problem with large number of variables requiring a continuous remote monitoring and data transmission from/to loads and distributed energy resources. In this study, a recently-proposed Jacobian-based linear method is used to model the steady-state operation of the distribution network and to divide the network into voltage control zones so as to reformulate the centralized optimization as a quadratic programming of reduced dimension. New clustering methods for the voltage control zone definition are proposed to consider the dependence of the nodal voltages on both active and reactive powers. Zoning methodologies are firstly tested on a 24-nodes low voltage network and, then, applied to the voltage optimization problem with the aim of analyzing the impact of the R/X ratios on the zone evaluation and on the voltage optimization solution.
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In each virtual voltage control zone, a pilot node is identified whose voltage adequately represents the voltage amplitudes of all nodes in that zone, as described in [38].
“In each VCZ, a pilot node (PN) is identified, whose voltage adequately represents the voltage amplitudes of all nodes in that VCZ, as described in [38].”
From Enhancing voltage optimization in distribution networks through flexible operation of EV parking lots (2025) · cites this paper as [38]
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- Authors
- Di Fazio, A. R., Russo, M., & De Santis, M.
- Affiliations
- Department of Electrical and Information Engineering, University of Cassino and Southern Lazio, 03043 Cassino, Italy
- Università degli studi di Cassino e del Lazio Meridionale (IT)
- Engineering Department, University Niccolò Cusano, 00166 Roma, Italy
- Venue
- Energies
- Publisher
- MDPI AG
- Published
- 2019-01-26
- Volume
- 12
- Issue
- 3
- Pages
- 390
- ISSN
- 1996-1073 (ISSN-L)
- OpenAlex
- W2911934273
- Cited by
- 37
- References
- 30
- Citations by year
- 2025: 3 · 2024: 2 · 2023: 2 · 2022: 3 · 2021: 9 · 2020: 7 · 2019: 10
- FWCI
- 2.61
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Energies (publishedVersion, cc-by)
- RePEc: Research Papers in Economics (submittedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
- Archivio Istituzionale della Ricerca - Università degli Studi della Campania "Luigi Vanvitelli" (submittedVersion)
- Archivio Istituzionale della Ricerca - Università degli Studi di Cassino (submittedVersion, cc-by)
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Optimal Power Flow Distribution
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Power System Optimization and Stability
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Electric Power System Optimization
- Keywords
- voltage optimization, distribution networks, distributed energy resources, zoning, quadratic programming, clustering, steady-state model, R/X ratio, centralized optimization, nonlinear programming
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