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Appl. Sci. 2017, 7(1), 47; doi:10.3390/app7010047

Development of a Simulation Framework for Analyzing Security of Supply in Integrated Gas and Electric Power Systems

1
Energy and Sustainability Research Institute Groningen (ESRIG), Faculty of Science and Engineering, University of Groningen, Nijenborgh 6, 9747 AG Groningen, The Netherlands
2
Directorate (C) for Energy, Transport and Climate, Joint Research Centre, European Commission, Via Enrico Fermi 2749, I-21027 Ispra (VA), Italy
3
Directorate (C) for Energy, Transport and Climate, Joint Research Centre, European Commission, Westerduinweg 3, 1755 ZG Petten, The Netherlands
*
Author to whom correspondence should be addressed.
Academic Editors: Josep M. Guerrero and Amjad Anvari-Moghaddam
Received: 22 November 2016 / Revised: 21 December 2016 / Accepted: 23 December 2016 / Published: 5 January 2017
View Full-Text   |   Download PDF [1145 KB, uploaded 6 January 2017]   |  

Abstract

Gas and power networks are tightly coupled and interact with each other due to physically interconnected facilities. In an integrated gas and power network, a contingency observed in one system may cause iterative cascading failures, resulting in network wide disruptions. Therefore, understanding the impacts of the interactions in both systems is crucial for governments, system operators, regulators and operational planners, particularly, to ensure security of supply for the overall energy system. Although simulation has been widely used in the assessment of gas systems as well as power systems, there is a significant gap in simulation models that are able to address the coupling of both systems. In this paper, a simulation framework that models and simulates the gas and power network in an integrated manner is proposed. The framework consists of a transient model for the gas system and a steady state model for the power system based on AC-Optimal Power Flow. The gas and power system model are coupled through an interface which uses the coupling equations to establish the data exchange and coordination between the individual models. The bidirectional interlink between both systems considered in this studies are the fuel gas offtake of gas fired power plants for power generation and the power supply to liquefied natural gas (LNG) terminals and electric drivers installed in gas compressor stations and underground gas storage facilities. The simulation framework is implemented into an innovative simulation tool named SAInt (Scenario Analysis Interface for Energy Systems) and the capabilities of the tool are demonstrated by performing a contingency analysis for a real world example. Results indicate how a disruption triggered in one system propagates to the other system and affects the operation of critical facilities. In addition, the studies show the importance of using transient gas models for security of supply studies instead of successions of steady state models, where the time evolution of the line pack is not captured correctly. View Full-Text
Keywords: combined simulation; power and gas interdependence; security of supply; transient gas simulation; scenario analysis; power system contingency combined simulation; power and gas interdependence; security of supply; transient gas simulation; scenario analysis; power system contingency
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MDPI and ACS Style

Pambour, K.A.; Cakir Erdener, B.; Bolado-Lavin, R.; Dijkema, G.P.J. Development of a Simulation Framework for Analyzing Security of Supply in Integrated Gas and Electric Power Systems. Appl. Sci. 2017, 7, 47.

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