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Experimental short-term investigation of model predictive heat pump control in residential buildings

Title data

Kuboth, Sebastian ; Heberle, Florian ; Weith, Theresa ; Welzl, Matthias ; König-Haagen, Andreas ; Brüggemann, Dieter:
Experimental short-term investigation of model predictive heat pump control in residential buildings.
In: Energy and Buildings. Vol. 204 (2019) . - Art.Nr. 109444.
ISSN 0378-7788
DOI: https://doi.org/10.1016/j.enbuild.2019.109444

Abstract in another language

This study investigates the potential of model predictive heat pump control in detached houses in terms of electric energy consumption, thermal comfort and photovoltaic energy self-consumption. Two comparable test rigs with identical devices are set up. The test rigs include electrical air source heat pumps with variable compressor speed, thermal energy storages and heat dissipation by heat exchangers. The heat demand is controlled by valves, which are coupled to real-time simulation of building models in compliance with the principle of energy conservation. Measurements confirm test rig comparability. After introducing the model predictive control (MPC) concept, a successive series of six measurements of 120 h each within the heating season is presented. The model predictive heat pump controller is evaluated by comparison to a standard heat pump controller implemented into the reference test rig. Results show an average increase of the heat pump coefficient of performance of 22.2, an average increase of 234.8 in terms of photovoltaic energy self-consumption as well as a resulting average heat pump operational cost reduction of 34.0 by application of MPC.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: Air source heat pump; Model predictive control; Energy management; Building heating system; Battery; Heat storage; PV self-consumption
Institutions of the University: Faculties > Faculty of Engineering Science > Chair Engineering Thermodynamics and Transport Processes
Profile Fields > Emerging Fields > Energy Research and Energy Technology
Research Institutions > Research Units > ZET - Zentrum für Energietechnik
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 14 Oct 2019 07:58
Last Modified: 14 Oct 2019 07:58
URI: https://eref.uni-bayreuth.de/id/eprint/52748