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Performance study of a grid-connected photovoltaic powered central air conditioner in the South China climate

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  • Li, Y.
  • Zhao, B.Y.
  • Zhao, Z.G.
  • Taylor, R.A.
  • Wang, R.Z.

Abstract

A photovoltaic (PV) integrated energy system is an ideal alternative to meet the heavy power demand of air conditioners in summer in hot climate areas. This paper presents the practical operation of a grid-connected, photovoltaic-powered, central air conditioner for an office building in South China. Typical operation characteristics have been analyzed regarding three indices such as solar fraction (SF), net solar fraction (NSF) and surplus energy ratio (SER). Different weather patterns such as sunny, cloudy and overcast based on the percentage of cloud coverage have been considered in this study. It is found that the performance of the system was significantly influenced by the meteorological conditions and that the value of SF is in different ranges for the three weather patterns. Additionally, the NSF and SER show meaningful trends for the three weather patterns. In addition, the SF is high in April, September and October due to the low cooling load. The yearly average values of SF, NSF and SER are 51.62%, 104.5% and 52.72%, respectively. The study methods proposed in this paper might be useful to predict and design PV integrated air-conditioning systems in different areas. This paper is presented and recommended by 5th International Conference on Nuclear and Renewable Energy Resources.

Suggested Citation

  • Li, Y. & Zhao, B.Y. & Zhao, Z.G. & Taylor, R.A. & Wang, R.Z., 2018. "Performance study of a grid-connected photovoltaic powered central air conditioner in the South China climate," Renewable Energy, Elsevier, vol. 126(C), pages 1113-1125.
    • Handle: RePEc:eee:renene:v:126:y:2018:i:c:p:1113-1125
    DOI: 10.1016/j.renene.2017.05.064
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    Cited by:

    1. Antonio Quijano & Celena Lorenzo & Antonio Berlanga & Luis Narvarte, 2024. "Technical Evaluation of a Stand-Alone Photovoltaic Heat Pump Dryer without Batteries," Energies, MDPI, vol. 17(18), pages 1-17, September.
    2. Han, Youhua & Li, Ming & Wang, Yunfeng & Li, Guoliang & Ma, Xun & Wang, Rui & Wang, Liang, 2019. "Impedance matching control strategy for a solar cooling system directly driven by distributed photovoltaics," Energy, Elsevier, vol. 168(C), pages 953-965.
    3. Antonio Quijano & Celena Lorenzo & Luis Narvarte, 2023. "Economic Assessment of a PV-HP System for Drying Alfalfa in The North of Spain," Energies, MDPI, vol. 16(8), pages 1-19, April.
    4. Wang, Kai & Peng, Jinqing & Li, Sihui & Li, Houpei & Zou, Bin & Ma, Tao & Ji, Jie, 2024. "Compressor speed control for optimizing energy matching of PV-driven AC systems during the cooling season," Energy, Elsevier, vol. 298(C).
    5. Luerssen, Christoph & Gandhi, Oktoviano & Reindl, Thomas & Sekhar, Chandra & Cheong, David, 2020. "Life cycle cost analysis (LCCA) of PV-powered cooling systems with thermal energy and battery storage for off-grid applications," Applied Energy, Elsevier, vol. 273(C).
    6. Celena Lorenzo & Luis Narvarte & Ana Belén Cristóbal, 2020. "A Comparative Economic Feasibility Study of Photovoltaic Heat Pump Systems for Industrial Space Heating and Cooling," Energies, MDPI, vol. 13(16), pages 1-20, August.
    7. Liang, Ruobing & Zhou, Chao & Zhang, Jili & Chen, Jianquan & Riaz, Ahmad, 2020. "Characteristics analysis of the photovoltaic thermal heat pump system on refrigeration mode: An experimental investigation," Renewable Energy, Elsevier, vol. 146(C), pages 2450-2461.
    8. Francisco J. Aguilar & Javier Ruiz & Manuel Lucas & Pedro G. Vicente, 2021. "Performance Analysis and Optimisation of a Solar On-Grid Air Conditioner," Energies, MDPI, vol. 14(23), pages 1-17, December.

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