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Kwabena Addo Pambour
Energy and Sustainability Research Institute Groningen (ESRIG), Faculty of Science and Engineering, University of Groningen, Nijenborgh 6, 9747 AG Groningen, The Netherlands

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Journal article
Published: 01 October 2017 in Applied Energy
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The integration of renewable energy sources into existing electric power systems is connected with an increased interdependence between natural gas and electric power transmission networks. To analyse this interdependence and its impact on security of supply, we developed a novel combined dynamic simulation and optimization model and implemented it into the simulation package SAInt (Scenario Analysis Interface for Energy Systems), the first published software application that allows the combined simulation of gas and electric power systems in a single time frame and simulation environment. The model is composed of a transient hydraulic simulation model for the gas system and an augmented AC-Optimal Power Flow model for the electric power system, which includes a model for dispatchable power system loads and considers time transitional constraints, such as the ramp rate and the start-up time of generation units. Both models take into account the control and constraints of the most relevant facilities present in both systems. The bidirectional interconnection between both systems is considered and established by coupling equations describing the fuel gas offtake for power generation in gas fired power plants, and the electric power supply to LNG terminals and electric driven compressors in gas compressor stations. The resulting system of equations for the combined model are solved in a single simulation time frame. In order to quantify the impact of different contingencies on the operation of the combined system, a number of security of supply parameters are proposed, which can be utilized to compare the impact of different contingencies on security of supply and the efficiency of countermeasures to mitigate this impact. The capabilities of the combined model and the functionality of the simulation tool are demonstrated in a case study of a sample gas and power transmission system. Results indicate how the combined simulation can give insight into important and critical information, such as the timing and propagation of contingencies cascading from one system to the other or the grace period to react to disruptions. Such information can contribute to improving the coordination between gas and power transmission system operators in the event of disruptions, thus, increasing the resilience and the level of security of supply in the combined energy system. The information provided by the combined model cannot be obtained by the traditional co-simulation approach, where both systems are solved in different time frames. Furthermore, the studies stress the importance of using transient gas simulation models for security of supply analysis instead of steady state models, where the time evolution of gas pressure and linepack are not reflected appropriately.JRC.C.3-Energy Security, Distribution and Market

ACS Style

Kwabena Addo Pambour; Burcin Cakir Erdener; Ricardo Bolado-Lavin; Gerard P.J. Dijkema. SAInt – A novel quasi-dynamic model for assessing security of supply in coupled gas and electricity transmission networks. Applied Energy 2017, 203, 829 -857.

AMA Style

Kwabena Addo Pambour, Burcin Cakir Erdener, Ricardo Bolado-Lavin, Gerard P.J. Dijkema. SAInt – A novel quasi-dynamic model for assessing security of supply in coupled gas and electricity transmission networks. Applied Energy. 2017; 203 ():829-857.

Chicago/Turabian Style

Kwabena Addo Pambour; Burcin Cakir Erdener; Ricardo Bolado-Lavin; Gerard P.J. Dijkema. 2017. "SAInt – A novel quasi-dynamic model for assessing security of supply in coupled gas and electricity transmission networks." Applied Energy 203, no. : 829-857.

Journal article
Published: 05 January 2017 in Applied Sciences
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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.

ACS Style

Kwabena Addo Pambour; Burcin Cakir Erdener; Ricardo Bolado-Lavin; Gerard P. J. Dijkema. Development of a Simulation Framework for Analyzing Security of Supply in Integrated Gas and Electric Power Systems. Applied Sciences 2017, 7, 47 .

AMA Style

Kwabena Addo Pambour, Burcin Cakir Erdener, Ricardo Bolado-Lavin, Gerard P. J. Dijkema. Development of a Simulation Framework for Analyzing Security of Supply in Integrated Gas and Electric Power Systems. Applied Sciences. 2017; 7 (1):47.

Chicago/Turabian Style

Kwabena Addo Pambour; Burcin Cakir Erdener; Ricardo Bolado-Lavin; Gerard P. J. Dijkema. 2017. "Development of a Simulation Framework for Analyzing Security of Supply in Integrated Gas and Electric Power Systems." Applied Sciences 7, no. 1: 47.

Preprint
Published: 22 November 2016
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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 consist 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 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.

ACS Style

Kwabena Addo Pambour; Burcin Cakir Erdener; Ricardo Bolado-Lavin; Gerard P. J. Dijkema. Development of a Simulation Framework for Analyzing Security of Supply in Integrated Gas and Electric Power Systems. 2016, 1 .

AMA Style

Kwabena Addo Pambour, Burcin Cakir Erdener, Ricardo Bolado-Lavin, Gerard P. J. Dijkema. Development of a Simulation Framework for Analyzing Security of Supply in Integrated Gas and Electric Power Systems. . 2016; ():1.

Chicago/Turabian Style

Kwabena Addo Pambour; Burcin Cakir Erdener; Ricardo Bolado-Lavin; Gerard P. J. Dijkema. 2016. "Development of a Simulation Framework for Analyzing Security of Supply in Integrated Gas and Electric Power Systems." , no. : 1.

Journal article
Published: 01 January 2016 in Journal of Natural Gas Science and Engineering
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This paper presents an integrated transient hydraulic model that describes the dynamic behaviour of natural gas transport systems (GTS). The model includes sub models of the most important facilities comprising a GTS, such as pipelines, compressor stations, pressure reduction stations, underground gas storage facilities and LNG Terminals. The submodels are combined to an integrated network model and the algorithm for solving the resulting system of equations is detailed. The accuracy of the model is confirmed by benchmarking the model against results from the scientific literature and the commercial software SIMONE. Finally, the ability of the model to simulate the normal operation of a real world gas system and the operation in case of a supply disruption from a major entry point is demonstrated.JRC.F.3-Energy Security, Systems and Marke

ACS Style

Kwabena Addo Pambour; Ricardo Bolado-Lavin; Gerard P.J. Dijkema. An integrated transient model for simulating the operation of natural gas transport systems. Journal of Natural Gas Science and Engineering 2016, 28, 672 -690.

AMA Style

Kwabena Addo Pambour, Ricardo Bolado-Lavin, Gerard P.J. Dijkema. An integrated transient model for simulating the operation of natural gas transport systems. Journal of Natural Gas Science and Engineering. 2016; 28 ():672-690.

Chicago/Turabian Style

Kwabena Addo Pambour; Ricardo Bolado-Lavin; Gerard P.J. Dijkema. 2016. "An integrated transient model for simulating the operation of natural gas transport systems." Journal of Natural Gas Science and Engineering 28, no. : 672-690.

Journal article
Published: 01 October 2014 in International Journal of Electrical Power & Energy Systems
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This paper aims at analysing the impacts of interdependencies between electricity and natural gas systems in terms of security of energy supply. When analysing both systems several interdependencies can be observed, however, the most significant interdependencies are as follows: (1) gas dependency of gas fired power plants in electricity system and (2) electric dependency of electric-driven compressors in gas system. Since both systems depend on each other, it is of major interest from an energy security perspective to investigate how failures triggered in either of the systems propagate from one system to the other. We proposed an integrated simulation model that aims at reflecting the dynamics of the systems in case of disruptions and takes the cascading effects of these disruptions into account. While developing the integrated model, first electricity and gas systems are modelled separately and then linked by an (MATLAB-based) interface. The effectiveness of the proposed model is investigated using characteristic disruption scenarios. Computational results demonstrate that the integrated simulation model is very user-friendly and quite effective and efficient in analysing the interactions between electricity and gas systems.JRC.F.3-Energy securit

ACS Style

Burcin Cakir Erdener; Kwabena Addo Pambour; Ricardo Bolado Lavin; Berna Dengiz. An integrated simulation model for analysing electricity and gas systems. International Journal of Electrical Power & Energy Systems 2014, 61, 410 -420.

AMA Style

Burcin Cakir Erdener, Kwabena Addo Pambour, Ricardo Bolado Lavin, Berna Dengiz. An integrated simulation model for analysing electricity and gas systems. International Journal of Electrical Power & Energy Systems. 2014; 61 ():410-420.

Chicago/Turabian Style

Burcin Cakir Erdener; Kwabena Addo Pambour; Ricardo Bolado Lavin; Berna Dengiz. 2014. "An integrated simulation model for analysing electricity and gas systems." International Journal of Electrical Power & Energy Systems 61, no. : 410-420.