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Experimental Long-Term Investigation of Model Predictive Heat Pump Control in Residential Buildings with Photovoltaic Power Generation

Titelangaben

Kuboth, Sebastian ; Weith, Theresa ; Heberle, Florian ; Welzl, Matthias ; Brüggemann, Dieter:
Experimental Long-Term Investigation of Model Predictive Heat Pump Control in Residential Buildings with Photovoltaic Power Generation.
In: Energies. Bd. 13 (2020) Heft 22 . - 6016.
ISSN 1996-1073
DOI: https://doi.org/10.3390/en13226016

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Projekttitel:
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Graduiertenkolleg Energieautarke Gebäude of the TechnologieAllianzOberfranken (TAO
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Projektfinanzierung: Bayerisches Staatsministerium für Wissenschaft, Forschung und Kunst

Abstract

This article presents a 125-day experiment to investigate model predictive heat pump control. The experiment was performed in two parallel operated systems with identical components during the heating season. One of the systems was operated by a standard controller and thus represented a reference to evaluate the model predictive control. Both test rigs were heated by an air-source heat pump which is influenced by real weather conditions. A single-family house model depending on weather measurement data ensured a realistic heat consumption in the test rigs. The adapted model predictive control algorithm aimed to minimize the operational costs of the heat pump. The evaluation of the measurement results showed that the electrical energy demand of the heat pump can be reduced and the coefficient of performance can be increased by applying the model predictive controller. Furthermore, the self-consumption of photovoltaic electricity, which is calculated by means of a photovoltaic model and global radiation measurement data, was more than doubled. Consequently, the energy costs of heat pump operation were reduced by 9.0 in comparison to the reference and assuming German energy prices. The results were further compared to the scientific literature and short-term measurements were performed with the same experimental setup. The dependence of the measurement results on the weather conditions and the weather forecasting quality are shown. It was found that the duration of experiments should be as long as possible for a comprehensive evaluation of the model predictive control potential.

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Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Ja
Keywords: Building energy systems; Building energy management; Model predictive control (MPC); Heat pump; HVAC systems; PV self-consumption
Institutionen der Universität: Fakultäten > Fakultät für Ingenieurwissenschaften > Lehrstuhl Technische Thermodynamik und Transportprozesse
Fakultäten > Fakultät für Ingenieurwissenschaften > Lehrstuhl Technische Thermodynamik und Transportprozesse > Lehrstuhl Technische Thermodynamik und Transportprozesse - Univ.-Prof. Dr.-Ing. Dieter Brüggemann
Profilfelder > Emerging Fields > Energieforschung und Energietechnologie
Forschungseinrichtungen > Forschungsstellen > Zentrum für Energietechnik - ZET
Forschungseinrichtungen > Institute in Verbindung mit der Universität > TechnologieAllianzOberfranken (TAO)
Graduierteneinrichtungen > TAO-Graduiertenkolleg Energieautarke Gebäude
Fakultäten
Fakultäten > Fakultät für Ingenieurwissenschaften
Profilfelder
Profilfelder > Emerging Fields
Forschungseinrichtungen
Forschungseinrichtungen > Forschungsstellen
Forschungseinrichtungen > Institute in Verbindung mit der Universität
Graduierteneinrichtungen
Titel an der UBT entstanden: Ja
Themengebiete aus DDC: 600 Technik, Medizin, angewandte Wissenschaften > 620 Ingenieurwissenschaften
Eingestellt am: 24 Nov 2020 07:56
Letzte Änderung: 11 Jul 2023 13:52
URI: https://eref.uni-bayreuth.de/id/eprint/60312