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Quantifying the grid support of building energy systems

Evaluation of grid-supportive concepts for space heating and cooling in non-residential buildings
: Klein, Konstantin
: Henning, H.-M.; Felsmann, C.

Volltext urn:nbn:de:0011-n-4741151 (15 MByte PDF)
MD5 Fingerprint: 96f64d6d4293bf6a93b1419a725c08a0
Erstellt am: 29.11.2017


Stuttgart: Fraunhofer Verlag, 2017, VI, 196 S.
Zugl.: Karlsruhe, Inst. für Technologie (KIT), Diss., 2016
Solar Energy and Systems Research
ISBN: 978-3-8396-1230-9
Dissertation, Elektronische Publikation
Fraunhofer ISE ()
heat transfer processes; electrical engineering; alternative & renewable energy sources & technology; Gebäudeenergie; demand response; Lastflexibilisierung; Energiespeicherung; erneuerbare Energie; Wissenschaftler in der Gebäudeenergietechnik und Energiesystemtechnik

As an effort to reduce carbon emissions, Germany plans to significantly increase the use of wind and PV electricity. Since wind and PV plants cannot be dispatched deliberately like conventional power plants, increased flexibility on the demand side is needed to efficiently utilize the intermittent renewable generation.
This Dissertation evaluates the suitability of building energy systems in non-residential buildings to provide load flexibility by adapting their load and generation trajectories according to the market need. It is explored how the "grid support" of buildings can be quantified, how grid-supportive present-day building energy systems are operated, and which approaches are most suitable to improve the grid support of buildings. To this end, four different flexibility and storage options (batteries, fuel switch, water tanks, and the thermal building mass) are compared in terms of improvement in grid support and impact on energy efficiency.