Performance analysis and neural modelling of a greenhouse integrated photovoltaic system

Pérez-Alonso, José; García, Manuel Pérez; Pasamontes-Romera, M.; Callejón-Ferre, Ángel-Jesús

doi:10.1016/j.rser.2012.04.002

Cited by 98 publications

(45 citation statements)

References 78 publications

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“…Excluding the installation of PV panels on agricultural land, as happened in the past resulting in an effective land degradation and soil sealing [48,49], PV panels applied on the roofs of greenhouses can be considered an attractive solution [10,41,47]. In this way, greenhouses can make sure of rural multi-functionality, given by the production of additional energy, because of the combination of PV modules on their surface [10,18,49,50]. Conversely, the mounting of this kind of PV plants inevitably generates a shadow inside the structure [30,37,41,51].…”

Section: Discussionmentioning

confidence: 99%

“…In modern agriculture, greenhouses embody technological solutions aimed at increasing quality and productivity of crops [18]. Specifically, the application of greenhouse technology in the floriculture sector is recording a strong growth trend around the world [14].…”

Section: Discussionmentioning

confidence: 99%

“…Conversely, the mounting of this kind of PV plants inevitably generates a shadow inside the structure [30,37,41,51]. Therefore, it is necessary to prevent shading in order not to cause an interruption on plant growth [18].…”

Section: Discussionmentioning

confidence: 99%

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Solar Radiation Distribution inside a Greenhouse Prototypal with Photovoltaic Mobile Plant and Effects on Flower Growth

et al. 2018

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Abstract:The diffusion of renewable energy requires the search for new technologies useful for obtaining good energy and production efficiency. Even if the latter is not always easy to obtain, the integration of photovoltaic panels on the roof of greenhouses intended for floriculture can represent an alternative. The present paper evaluates climatic conditions inside a greenhouse, in which 20% of its roof surface has been replaced with mobile photovoltaic (PV) panels. The PV system implemented in this study can vary the light energy collection surface in relation to the degree of insolation. The aim is to observe the shading effects of the PV system on the growth of several varieties of flowers (iberis, mini-cyclamens and petunias) to ensure the use of solar energy as an income integration deriving from floricultural production. In fact, in agronomic terms, it has ensured: (i) to be able to shade the underlying environment in most lighting conditions; and (ii) to let through more light when it is required for the needs of crop plants or in cloudy weather. Results have described the distribution of solar radiation, variability of temperature and humidity and lighting in a solar year and the observed outcomes on floristic production.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Solar Radiation Distribution inside a Greenhouse Prototypal with Photovoltaic Mobile Plant and Effects on Flower Growth

et al. 2018

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“…Several R&D projects are being carried out in collaboration with local research centers along these lines, including the cogeneration of CO2 and solar energy in greenhouses [55], solar desalinization plants connected to greenhouses with precision irrigation [56], and multi-actor projects such as the Internet of Food and Farm (IoF2020) European large scale pilot, FERTINNOWA thematic network on fertirrigation, etc. Multi-actor R&D driven by the cooperative association and the cooperative bank, with collaborations with public and private research centers, and the involvement of the public administration has been seen as a strategic necessity.…”

Section: Energymentioning

confidence: 99%

Cooperative Longevity and Sustainable Development in a Family Farming System

2018

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This paper focuses on small holding, family farming in Southeast Spain where agricultural economic activity is predominantly organized around cooperative business models. A variety of diverse studies on the Almería agricultural and credit cooperative sector and the exploration of social-economic and eco-social indicators, in addition to economic-market indicators are presented. Each correspond to a cooperative "logic" that spans theoretical perspectives from the dominant economic-market model, new institutionalism, and an eco-social approach, echoing theories on collective coordination governance, and the avoidance of the "tragedy of the commons". The latter is of particular importance given environmental challenges and scarce resources for agricultural activity. The cooperatives in Almería have increasingly relied on collective collaboration and coordination in order to meet social-economic and social-ecological challenges, transforming their role from that founded on a market dominant logic to that of cooperation as a coordination mechanism based on the mutual benefit of the community and environment. In turn, their ability to meet a wide range of needs and challenges of members and the community leads to their longevity. Cooperatives are able to act as both a market and non-market coordination mechanism, balancing the economic, social, and environmental dimensions, such that neither market nor non-market logics are dominant or exclusive.

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“…Para contrarrestar esto, es necesario un sistema de enfriamiento, o bien, conjuntar el sistema Fresnel para utilizar el calor que genera para temperar un invernadero, como recientemente se ha hecho en varias partes del mundo (Sonneveld et al, 2011;Pérez-Alonso et al, 2012;Lamnatou y Chemisana, 2013;Cossu et al, 2014) (Figura 8).…”

Section: Generación De Electricidad Y Calor Con Energía Solarunclassified

Retos y oportunidades para el aprovechamiento y manejo ambiental del ex lago de Texcoco

Diamant

Siebe

Estrada

et al. 2015

BSGM

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145 ResumenLa Zona Federal del ex lago de Texcoco es una amplia superficie libre de construcciones inmersa en una gran metrópoli. Tiene importantes potenciales de uso, tanto para el desarrollo de proyectos ecológicos y recreativos como para la generación de energías renovables; además cumple funciones de regulación hidrológica, térmica y de calidad del aire. En este trabajo se presentan cuatro propuestas para el manejo del ex lago de Texcoco en favor del desarrollo económico y ambiental de la Zona Metropolitana del Valle de México a largo plazo. Éstas son: a) rehabilitación de suelos y vegetación, b) regeneración de zonas lacustres, c) manejo de residuos sólidos orgánicos y d) generación de electricidad y calor con energía solar. Estas propuestas surgieron a partir de la opinión de expertos, durante la realización de dos talleres multidisciplinarios. Las propuestas son compatibles entre sí, tienen cauce legal y aprovechan la circunstancia geográfica y ambiental del ex lago de Texcoco de forma sostenible y productiva. Se concluye que una combinación de las diversas opciones de uso aquí descritas potenciará las funciones del suelo de manera integral y permitirá mitigar los problemas ambientales y de gestión hidráulica que afectan a esta región.Recientemente se ha anunciado la ampliación del aeropuerto de la Ciudad de México. Esto pone en una encrucijada la utilización de la Zona Federal del ex lago de Texcoco: se le convierte en un aeropuerto o se le aprovecha para mitigar problemas de energía, gestión hidráulica y de calidad del aire para promover el desarrollo ambiental, económico y social de la región central del país, como pretenden las propuestas aquí descritas.Palabras clave: Calidad del aire, revegetación de suelos salino-sódicos, regulación hidrológica, energía renovable, manejo de residuos, aeropuerto. Abstract The lacustrian plain of former lake Texcoco is an extensive non-urbanized area within a large megacity. It has high land use

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Performance analysis and neural modelling of a greenhouse integrated photovoltaic system

Cited by 98 publications

References 78 publications

Solar Radiation Distribution inside a Greenhouse Prototypal with Photovoltaic Mobile Plant and Effects on Flower Growth

Solar Radiation Distribution inside a Greenhouse Prototypal with Photovoltaic Mobile Plant and Effects on Flower Growth

Cooperative Longevity and Sustainable Development in a Family Farming System

Retos y oportunidades para el aprovechamiento y manejo ambiental del ex lago de Texcoco

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