Effects of photovoltaic/thermal (PV/T) control strategies on the performance of liquid-based PV/T assisted heat pump for space heating

Juanli Ma, Alan S. Fung, Monica Brands, Osama Mohammad Abul Moyeed, Ahmad Mhanna and Neil Juan

Renewable Energy, 2021, vol. 172, issue C, 753-764

Abstract: Hybrid solar PV/T system control strategy plays an important role not only in PV/T system energy gain but also in the energy consumption of PV/T assisted heat pump systems. However, no research has been carried out regarding the effect of PV/T control strategy on the performance of PV/T assisted heat pump systems. It remains unknown how the key parameters of the PV/T system control strategies affect system performance, and it has not yet been established which PV/T system control strategy is better. To study the effects of the commonly used PV/T system control strategies on the performance of liquid-based PV/T assisted heat pumps, models of liquid-based PV/T assisted heat pumps with three different PV/T system control strategies were developed using combined platforms of EES and TRNSYS. Based on the models, the effects of the key parameters for each of these PV/T system control strategies on the PV/T system energy gain, overall energy consumption, average heat pump coefficient of performance (COP), and the overall system performance were presented, and the comparison of the three PV/T control strategies was performed. The results showed that a much larger PV/T pump size was needed for the outlet temperature control strategy to achieve a roughly equivalent performance to the other two control strategies.

Keywords: Photovoltaic/thermal; Heat pump; Control strategy; Performance (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:172:y:2021:i:c:p:753-764

DOI: 10.1016/j.renene.2021.02.030

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