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PV-diesel-hybrid system for a hospital in Ghana - Connection of a PV battery storage model to an existing generator model

Author

Listed:
  • Matthias Bebber
  • Stefanie Meilinger
  • Samer Chaaraoui
  • Silvan Rummeny
  • Thorsten Schneiders
  • Eberhard Waffenschmidt

Abstract

In this paper, a model of a photovoltaic (PV)-diesel-hybrid system is built. In addition to a PV system, this system has a battery storage system and is connected to the public power grid. In case of a failure of all three energy sources, a diesel generator ensures the power supply. With the help of the created model, the influence of different seasons and weather conditions on the PV yield and the entire system is investigated in the period from February 2016 to February 2017. The data for this study was collected in a hospital in Akwatia, Ghana. The hospital is already equipped with a PV system and a diesel generator as backup. Another aspect of the study is the impact of power outages, which are common in this region, on the use of the generator. The results show the relevance of seasonal and infrastructural influences on the operating mode of the system. With the help of the created model it was shown that especially during the rainy season in August the PV output decreases and consequently a lot of energy has to be provided by the public grid and the generator. Another significant drop in PV yield is observed at the time of Harmattan in January.

Suggested Citation

  • Matthias Bebber & Stefanie Meilinger & Samer Chaaraoui & Silvan Rummeny & Thorsten Schneiders & Eberhard Waffenschmidt, 2021. "PV-diesel-hybrid system for a hospital in Ghana - Connection of a PV battery storage model to an existing generator model," IZNE Working Paper Series 21/3, International Centre for Sustainable Development (IZNE), Bonn-Rhein-Sieg University of Applied Sciences.
    • Handle: RePEc:sau:iznews:2103en
    DOI: 10.18418/978-3-96043-091-9
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    More about this item

    JEL classification:

    • Q41 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Demand and Supply; Prices

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