Coordinated operation strategies for natural gas and power systems in presence of gas‐related flexibilities

A detailed investigation of the interaction between natural gas and power systems is necessary, due to the increasing interdependency of these vectors, especially in the context of renewable generations integration growth into the grid. In this study, an outer approximation with an equality relaxati...

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Bibliographic Details
Published in:Energy systems integration Vol. 1; no. 1; pp. 3 - 13
Main Authors: Ameli, Hossein, Qadrdan, Meysam, Strbac, Goran
Format: Journal Article
Language:English
Published: Tianjin The Institution of Engineering and Technology 01.03.2019
John Wiley & Sons, Inc
Subjects:
Algorithms
Alternative energy sources
approximation theory
coordinated operation strategies
coupled natural gas
Decomposition
Efficiency
Electricity
energy market framework
Energy resources
equality relaxation decomposition method
flexible gas compressors
flexible gas generation plants
Gas compressors
Gas flow
gas‐related flexibilities
gas‐related flexibility options
integer programming
Linear equations
Linear programming
Methods
mixed‐integer nonlinear problem
Modelling
Natural gas
natural gas technology
nonlinear programming
operational cost savings
outer approximation
power markets
power system economics
power systems
renewable generations integration growth
Reserve requirements
Reynolds number
Variables
ISSN:2516-8401, 2516-8401
Online Access:Get full text
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Summary:A detailed investigation of the interaction between natural gas and power systems is necessary, due to the increasing interdependency of these vectors, especially in the context of renewable generations integration growth into the grid. In this study, an outer approximation with an equality relaxation decomposition method is proposed to solve a mixed‐integer non‐linear problem representing the operation of coupled natural gas and power systems. The proposed coupled modelling of natural gas and power systems is compared to decoupled operational modelling. It is demonstrated that operating gas and electricity as a coupled system resulted in about 7% of operational cost savings. In addition, the value of gas‐related flexibility options, including flexible gas compressors, flexible gas generation plants, and gas interconnections, to the operation of natural gas and power systems is quantified for a 2030 GB energy system. It is shown that if the natural gas and power systems are flexible enough, the operation of the systems in the decoupled approach is almost the same as the coupled model and therefore there is no need to reform the current energy market framework to make the systems fully coupled.
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ISSN:2516-8401
2516-8401
DOI:10.1049/iet-esi.2018.0047