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Investigation of dynamic interactions in integrated energy systems
Citation Link: https://doi.org/10.15480/882.4678
Publikationstyp
Working Paper
Date Issued
2022-11-01
Sprache
English
TORE-DOI
Citation
Technische Universität Hamburg (2022)
Integrated Energy Systems (IES) are assumed to be an appropriate concept to enable a 100 % renewable energy supply. In IES, the energy grids of the energy sectors electricity, gas and heat are connected by coupling technologies such as Power-to-Gas and Power-to-Heat. These physical and technical couplings can lead to intended and unintended interactions between the three subsystems. On the one hand, these interactions can provide supporting flexibility. On the other hand, these interactions can compromise the system stability. A future energy system must feature resilience, the ability to withstand and recover from disturbances, to enable the necessary security of supply. This paper presents a dynamic system model that is suitable to analyze the dynamic interactions of subsystems and to develop required resilience strategies. Furthermore, a Resilience Index concept is applied to quantify and evaluate system resilience. Given the dynamic simulation approach and the Resilience Index, a set of scenarios are analyzed, showing that dynamic interactions in IES with Power-to-Gas and Power-to-Heat have an influence on the frequency and voltage stability of the electric subsystem. This can affect the resilience positively as well as negatively. Consequently, modifications in the overall energy system must be investigated precisely and these modifications should focus on resilience based on redundancy.
Subjects
Integrated Energy System
Dynamic Simulation
Resilience
Stability
TransiEnt Library
DDC Class
600: Technik
620: Ingenieurwissenschaften
Funding Organisations
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Name
TORE_Paper_ResiliEntEE.pdf
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583.65 KB
Format
Adobe PDF