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Pulsed LED-Lighting as an Alternative Energy Savings Technique for Vertical Farms and Plant Factories

Author

Listed:
  • Ernesto Olvera-Gonzalez

    (Laboratorio de Iluminación Artificial, Tecnológico Nacional de México Campus Pabellón de Arteaga, Carretera a la Estación de Rincón Km. 1, Pabellón de Arteaga, Aguascalientes 20670, Mexico
    Collage of Agriculture and Human Sciences, Prairie View A&M University, Prairie View, TX 77446, USA)

  • Nivia Escalante-Garcia

    (Laboratorio de Iluminación Artificial, Tecnológico Nacional de México Campus Pabellón de Arteaga, Carretera a la Estación de Rincón Km. 1, Pabellón de Arteaga, Aguascalientes 20670, Mexico)

  • Deland Myers

    (Collage of Agriculture and Human Sciences, Prairie View A&M University, Prairie View, TX 77446, USA)

  • Peter Ampim

    (Collage of Agriculture and Human Sciences, Prairie View A&M University, Prairie View, TX 77446, USA)

  • Eric Obeng

    (Collage of Agriculture and Human Sciences, Prairie View A&M University, Prairie View, TX 77446, USA)

  • Daniel Alaniz-Lumbreras

    (Campus UAZ Siglo XXI, Universidad Autónoma de Zacatecas, Carretera Zacatecas-Guadalajara Km. 6, Zacatecas 98160, Mexico)

  • Victor Castaño

    (Centro de Física Aplicada y Tecnología Avanzada (CFATA), Universidad Autónoma de México, Boulevard Juriquilla 3001, Queretaro 76230, Mexico)

Abstract

Different strategies are reported in the literature for energy saving in Closed Plant Production Systems (CPPS). However, not reliable evidences about energy consumption with the use of pulsed LED light technique in lighting system available in Plant Factory and Vertical Farm. In this work, three key points to determine the effects of pulsed LED light versus continuous LED light are presented: (1) A mathematical model and its practical application for stabilizing the energy equivalence using LED light in continuous and pulsed mode in different light treatments. (2) The quantum efficiency of the photosystem II was used to determine positive and/or negative effects of the light operating mode (continuous or pulsed) on chili pepper plants ( Capsicum annuum var. Serrano). (3) Evaluation of energy consumption with both operation modes using ten recipes from the literature to grow plants applied in Closed Plant Production Systems, different Photosynthetic Photon Flux Density at 50, 110, and 180 µmol m −2 s −1 , Frequencies at 100, 500, and 1000 Hz, and Duty Cycles of 40, 50, 60, 70, 80, and 90%. The results show no significant statistical differences between the operation modes (continuous and pulsed LED light). For each light recipe analyzed, a pulsed frequency and a duty cycle were obtained, achieving significant energy savings in every light intensity. The results can be useful guide for real-life applications in CPPS.

Suggested Citation

  • Ernesto Olvera-Gonzalez & Nivia Escalante-Garcia & Deland Myers & Peter Ampim & Eric Obeng & Daniel Alaniz-Lumbreras & Victor Castaño, 2021. "Pulsed LED-Lighting as an Alternative Energy Savings Technique for Vertical Farms and Plant Factories," Energies, MDPI, vol. 14(6), pages 1-16, March.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:6:p:1603-:d:516557
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    References listed on IDEAS

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    1. Li, J.S. & Xia, X.H. & Chen, G.Q. & Alsaedi, A. & Hayat, T., 2016. "Optimal embodied energy abatement strategy for Beijing economy: Based on a three-scale input-output analysis," Renewable and Sustainable Energy Reviews, Elsevier, vol. 53(C), pages 1602-1610.
    2. James Eaves & Stephen Eaves, 2018. "Comparing the Profitability of a Greenhouse to a Vertical Farm in Quebec," Canadian Journal of Agricultural Economics/Revue canadienne d'agroeconomie, Canadian Agricultural Economics Society/Societe canadienne d'agroeconomie, vol. 66(1), pages 43-54, March.
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    Cited by:

    1. Cossu, Marco & Tiloca, Maria Teresa & Cossu, Andrea & Deligios, Paola A. & Pala, Tore & Ledda, Luigi, 2023. "Increasing the agricultural sustainability of closed agrivoltaic systems with the integration of vertical farming: A case study on baby-leaf lettuce," Applied Energy, Elsevier, vol. 344(C).
    2. Sungjoon Byun & Seounghwan Hyeon & Kwan-Soo Lee, 2022. "Guide Vane for Thermal Enhancement of a LED Heat Sink," Energies, MDPI, vol. 15(7), pages 1-13, March.
    3. Alexandr A. Smirnov & Natalya A. Semenova & Alexey S. Dorokhov & Yuri A. Proshkin & Maria M. Godyaeva & Vladimir Vodeneev & Vladimir Sukhov & Vladimir Panchenko & Narek O. Chilingaryan, 2022. "Influence of Pulsed, Scanning and Constant (16- and 24-h) Modes of LED Irradiation on the Physiological, Biochemical and Morphometric Parameters of Lettuce Plants ( Lactuca sativa L.) while Cultivated," Agriculture, MDPI, vol. 12(12), pages 1-14, November.

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