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A Smart eCook Battery-Charging System to Maximize Electric Cooking Capacity on a Hybrid PV/Diesel Mini-Grid

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Listed:
  • Shafiqa Keddar

    (Department of Electronic and Electrical Engineering, University of Strathclyde, Glasgow G1 1XQ, UK)

  • Scott Strachan

    (Department of Electronic and Electrical Engineering, University of Strathclyde, Glasgow G1 1XQ, UK)

  • Stuart Galloway

    (Department of Electronic and Electrical Engineering, University of Strathclyde, Glasgow G1 1XQ, UK)

Abstract

In this paper, eCook batteries are considered to be synonymous with those electric cooking devices (eCook), such as electric pressure cookers, induction cookers, hotplates or rice cookers, that can be connected to and supplied from a battery, which may or may not be fully integrated within the device. Connecting many eCook batteries can have an impact on the operation of a hybrid photovoltaic (PV)/diesel mini-grid network unless managed appropriately. The network could experience voltage fluctuations, system power losses and increased peak demand if all or most of the connected eCook batteries charge during a relatively “narrow” window of sunlight hours. Hence, this paper focuses on maximizing the number of eCook devices accommodated by the mini-grid, in keeping with increased consumer uptake, by regulating the charging rate (C-rate) of the eCook batteries themselves. The impact of varying the C-rate on the network constraints is assessed through a range of contextualized case studies. This entailed modeling an innovative smart eCook battery management system (EBMS) that actively monitors the state of the grid and decides on the eCook’s battery C-rate set-point required to address the network constraints. The results demonstrate that the EBMS can alleviate the impact of conventional eCook battery charging on the mini-grid network, as well as increase the quality of the charging service.

Suggested Citation

  • Shafiqa Keddar & Scott Strachan & Stuart Galloway, 2022. "A Smart eCook Battery-Charging System to Maximize Electric Cooking Capacity on a Hybrid PV/Diesel Mini-Grid," Sustainability, MDPI, vol. 14(3), pages 1-21, January.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:3:p:1454-:d:735395
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    References listed on IDEAS

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    1. Shafiqa Keddar & Scott Strachan & Bartosz Soltowski & Stuart Galloway, 2021. "An Overview of the Technical Challenges Facing the Deployment of Electric Cooking on Hybrid PV/Diesel Mini-Grid in Rural Tanzania—A Case Study Simulation," Energies, MDPI, vol. 14(13), pages 1-18, June.
    2. Simon Batchelor & Ed Brown & Nigel Scott & Jon Leary, 2019. "Two Birds, One Stone—Reframing Cooking Energy Policies in Africa and Asia," Energies, MDPI, vol. 12(9), pages 1-18, April.
    3. Robert Bailis & Rudi Drigo & Adrian Ghilardi & Omar Masera, 2015. "The carbon footprint of traditional woodfuels," Nature Climate Change, Nature, vol. 5(3), pages 266-272, March.
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