Optimum Sizing of Photovoltaic and Energy Storage Systems for Powering Green Base Stations in Cellular Networks

Mahshid Javidsharifi*, Hamoun Pourroshanfekr, Tamas Kerekes, Dezso Sera, Sergiu Viorel Spataru, Josep M. Guerrero

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

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Abstract

Satisfying the mobile traffic demand in next generation cellular networks increases the cost of energy supply. Renewable energy sources are a promising solution to power base stations in a self-sufficient and cost-effective manner. This paper presents an optimal method for designing a photovoltaic (PV)-battery system to supply base stations in cellular networks. A systematic approach is proposed for determining the power rating of the photovoltaic generator and battery capacity from a technical and economical point of view in order to minimize investment cost as well as operational expenditure, while the power autonomy of the PV-battery system is maximized in a multi-objective optimization framework. The proposed method is applied to optimally size a photovoltaic-battery system for three cases with different availability of solar power to investigate the effect of environmental conditions. Problem-solving using the proposed approach leads to a set of solutions at different costs versus different levels of power autonomy. According to the importance of each criterion and the preference of decision-makers, one of the achieved solutions can be selected for the implementation of the photovoltaic-battery system to supply base stations in cellular networks.
Original languageEnglish
Article number1895
JournalEnergies
Volume14
Issue number7
Number of pages21
ISSN1996-1073
DOIs
Publication statusPublished - 2021

Keywords

  • Photovoltaic system
  • Battery storage device
  • Base stations
  • Cellular networks

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