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Open AccessArticle

Sub-Transmission Network Expansion Planning Considering Regional Energy Systems: A Bi-Level Approach

1
Department of Electrical Engineering, Faculty of Engineering, University of Guilan, Rasht, Iran
2
Department of Energy Technology, Aalborg University, 9220 Aalborg, Denmark
*
Author to whom correspondence should be addressed.
Electronics 2019, 8(12), 1416; https://doi.org/10.3390/electronics8121416
Received: 29 October 2019 / Revised: 11 November 2019 / Accepted: 11 November 2019 / Published: 27 November 2019
(This article belongs to the Special Issue Active Regional Energy Systems and Microgrids)
In order to facilitate the transformation of the existing generation and transmission networks’ structure into a scalable and competitive grid structure, this paper introduced regional energy systems (RGESs) that have the role of aggregating distributed energy resources (DERs) and flexible loads. The economic justification for the expansion of sub-transmission networks in the presence of regional energy systems was also investigated. To achieve this goal, multi-criteria optimization solutions were employed to find techno-economic solutions. While solving the proposed multi-criteria optimization problem, a Pareto front was determined to show the tradeoff between the criteria examined. In addition, fuzzy satisfying and the max-min method were used for finding equilibrium point. In order to demonstrate the performance and effectiveness of the proposed model, a realistic sub-transmission system in Guilan Province, Iran, was used as a test system and the results were compared to those from a traditional sub-transmission expansion planning model.
Keywords: fuzzy satisfying method; multi-criteria optimization; regional energy system; sub-transmission expansion planning fuzzy satisfying method; multi-criteria optimization; regional energy system; sub-transmission expansion planning
MDPI and ACS Style

Navidi, M.; Moghaddas Tafreshi, S.M.; Anvari-Moghaddam, A. Sub-Transmission Network Expansion Planning Considering Regional Energy Systems: A Bi-Level Approach. Electronics 2019, 8, 1416.

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