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Title: Investigating the performance of a combined solar system with heat pump for houses
Authors: Ahmad, Muhammad Waseem
Eftekhari, Mahroo
Steffen, Thomas
Mambo, Abdulhameed D.
Keywords: Model predictive controller
Heat pump
Conventional control strategies
Load shifting
Solar energy
Issue Date: 2013
Publisher: © Elsevier B.V.
Citation: AHMAD, M.W. ... et al., 2013. Investigating the performance of a combined solar system with heat pump for houses. Energy and Buildings, 63, pp. 138 - 146.
Abstract: The UK government has committed to generate 20% of the country's energy from renewable sources by 2020. This paper investigates energy reduction in houses by using an innovative solar thermal collector combined with a heat pump system. The dynamic lumped parameter model for a small house is derived and the combined heating system is used to provide the typical hot water and heating requirement. The goal is to maintain thermal comfort inside the house and reduce the amount of electricity consumption used for heating and hot water. This is achieved by reducing the electricity costs through optimising the operation of the heat pump, integrating the available solar energy, and by shifting electricity consumption to the cheaper night time tariff. Models of conventional controller on–off and a multi-variable model predictive control (MPC) are developed and used for several different climatic conditions. The results showed that the model predictive controller performed best by providing better comfort, consuming less electric energy and better use of cheap night time electricity by load shifting and storing heat energy in the heating tank.
Description: This article was published in the journal, Energy and Buildings [© Elsevier B.V.] and the definitive version is available at: http://dx.doi.org/10.1016/j.enbuild.2013.03.055
Version: Accepted for publication
DOI: 10.1016/j.enbuild.2013.03.055
URI: https://dspace.lboro.ac.uk/2134/12295
Publisher Link: http://dx.doi.org/10.1016/j.enbuild.2013.03.055
ISSN: 0378-7788
Appears in Collections:Published Articles (Civil and Building Engineering)

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