Gas Network's Impact on Power System Voltage Security

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Title: Gas Network's Impact on Power System Voltage Security
Authors: Rabiee, AbbasKamwa, InnocentKeane, AndrewSoroudi, Alireza
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Date: 21-Apr-2021
Online since: 2021-09-28T12:15:12Z
Abstract: Due to the energy linkage between electricity and gas networks, assessing the voltage security of the electricity system without considering the practical constraints of both systems, may lead to unrealistic values of loading margins (LM). This work proposes a model for investigating the impact of gas networks on the voltage security of electric transmission networks. The overall objective is to maximize the LM of the electricity network while satisfying all relevant constraints in both gas and electricity networks such as hourly line pack of gas pipelines, reactive power capability limits of generators, and complementarity constraints representing the generators active/reactive power limits based on the capability curves, power flow equations at both current operation, and security limit points. Three (small, medium, and large) case studies are presented as the applications of the proposed model for LM maximization in power systems that are highly coupled with gas networks. The obtained results corroborate the impact of both gas and electrical networks operation constraints such as voltage and reactive power limits, nodal gas pressure limits, gas network loading as well as the line pack phenomenon of gas pipelines on the LM of power systems.
Funding Details: Science Foundation Ireland
Type of material: Journal Article
Publisher: IEEE
Journal: IEEE Transactions on Power Systems
Volume: 36
Issue: 6
Start page: 5428
End page: 5440
Copyright (published version): 2021 IEEE
Keywords: SecurityPower systemsReactive powerLoad modelingGeneratorsPipelinesLoading
DOI: 10.1109/TPWRS.2021.3074789
Language: en
Status of Item: Peer reviewed
ISSN: 0885-8950
This item is made available under a Creative Commons License:
Appears in Collections:Electrical and Electronic Engineering Research Collection

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