Article | Proceedings of the 13th International Modelica Conference, Regensburg, Germany, March 4–6, 2019 | Influence of Excess Power Utilization in Power-to-Heat Units on an Integrated Energy System with 100 % Renewables Linköping University Electronic Press Conference Proceedings
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Title:
Influence of Excess Power Utilization in Power-to-Heat Units on an Integrated Energy System with 100 % Renewables
Author:
Carsten Bode: Institute of Engineering Thermodynamics, Hamburg University of Technology, Denickestr. 17, 21073 Hamburg, Germany Gerhard Schmitz: Institute of Engineering Thermodynamics, Hamburg University of Technology, Denickestr. 17, 21073 Hamburg, Germany
DOI:
10.3384/ecp19157413
Download:
Full text (pdf)
Year:
2019
Conference:
Proceedings of the 13th International Modelica Conference, Regensburg, Germany, March 4–6, 2019
Issue:
157
Article no.:
042
Pages:
10
No. of pages:
413-422
Publication type:
Abstract and Fulltext
Published:
2019-02-01
ISBN:
978-91-7685-122-7
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press, Linköpings universitet


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This paper presents the effect which the utilization of excess power in Power-to-Heat units has on an energy system which is fully supplied by renewables. For this, a possible future German integrated energy system consisting of the power, heat and gas sectors is modeled using the TransiEnt Library in Modelica®. The first syste contains electric energy storage units, Power-to-Gas as well as Gas-to-Power plants and hot water storage units as energy storage technologies. The heat supply does not use excess power, and an option to curtail renewable power generation is added. The system costs are optimized by using simplified models in MATLAB® and designein Modelica afterwards to include the dynamic effects. In a second system, excess power can also be used in existing electric heat pumps and in a third system as well in existing electric heating rods installed in the hot water storage tanks instead of curtailing renewable energy generation. This reduces the component sizes and thus the cost of the system because only control has to be added to enable this behavior.

Keywords: Integrated Energy System, 100% Renewables, Power-to-Heat, Energy System Analysis

Proceedings of the 13th International Modelica Conference, Regensburg, Germany, March 4–6, 2019

Author:
Carsten Bode, Gerhard Schmitz
Title:
Influence of Excess Power Utilization in Power-to-Heat Units on an Integrated Energy System with 100 % Renewables
DOI:
http://dx.doi.org/10.3384/ecp19157413
References:
No references available

Proceedings of the 13th International Modelica Conference, Regensburg, Germany, March 4–6, 2019

Author:
Carsten Bode, Gerhard Schmitz
Title:
Influence of Excess Power Utilization in Power-to-Heat Units on an Integrated Energy System with 100 % Renewables
DOI:
https://doi.org10.3384/ecp19157413
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Last updated: 2019-06-04