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Energies 2019, 12(6), 1020; https://doi.org/10.3390/en12061020

Multistage Expansion Co-Planning of Integrated Natural Gas and Electricity Distribution Systems

1
Department of Electrical Engineering, Sharif University of Technology, Tehran 11365-11155, Iran
2
Department of Electrical Engineering and Automation, Aalto University, 02150 Espoo, Finland
3
Energy Engineering Department, Sharif University of Technology, Tehran 11365-11155, Iran
*
Author to whom correspondence should be addressed.
Received: 16 January 2019 / Revised: 5 March 2019 / Accepted: 11 March 2019 / Published: 15 March 2019
(This article belongs to the Section Electrical Power and Energy System)
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Abstract

This paper focuses on expansion co-planning studies of natural gas and electricity distribution systems. The aim is to develop a mixed-integer linear programming (MILP) model for such problems to guarantee the finite convergence to optimality. To this end, at first the interconnection of electricity and natural gas networks at demand nodes is modelled by the concept of energy hub (EH). Then, mathematical model of expansion studies associated with the natural gas, electricity and EHs are extracted. The optimization models of these three expansion studies incorporate investment and operation costs. Based on these separate planning problems, which are all in the form of mixed-integer nonlinear programming (MINLP), joint expansion model of multi-carrier energy distribution system is attained and linearized to form a MILP optimization formulation. The presented optimization framework is illustratively applied to an energy distribution network and the results are discussed. View Full-Text
Keywords: co-planning studies; electricity distribution system planning; energy hub (EH); mixed-integer linear programming; multi-carrier energy distribution systems; natural-gas distribution system; optimization co-planning studies; electricity distribution system planning; energy hub (EH); mixed-integer linear programming; multi-carrier energy distribution systems; natural-gas distribution system; optimization
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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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Jooshaki, M.; Abbaspour, A.; Fotuhi-Firuzabad, M.; Moeini-Aghtaie, M.; Lehtonen, M. Multistage Expansion Co-Planning of Integrated Natural Gas and Electricity Distribution Systems. Energies 2019, 12, 1020.

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