ES2590231A1 - Thermosolar-photovoltaic hybrid collector (Machine-translation by Google Translate, not legally binding) - Google Patents

Thermosolar-photovoltaic hybrid collector (Machine-translation by Google Translate, not legally binding) Download PDF

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Publication number
ES2590231A1
ES2590231A1 ES201500361A ES201500361A ES2590231A1 ES 2590231 A1 ES2590231 A1 ES 2590231A1 ES 201500361 A ES201500361 A ES 201500361A ES 201500361 A ES201500361 A ES 201500361A ES 2590231 A1 ES2590231 A1 ES 2590231A1
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Prior art keywords
reflector
photovoltaic
collector
distance
longitudinal
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ES201500361A
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ES2590231B1 (en
Inventor
Luis FONTECHA ANDÚJAR
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Solida Energias Renovables
Andasol 2 Central Termosolar Dos S A
Andasol 2 Central Termosolar Dos SA
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Solida Energias Renovables
Andasol 2 Central Termosolar Dos S A
Andasol 2 Central Termosolar Dos SA
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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
    • H02S10/30—Thermophotovoltaic systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S23/74—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with trough-shaped or cylindro-parabolic reflective surfaces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Photovoltaic Devices (AREA)

Abstract

Thermosolar-photovoltaic hybrid collector comprising a cylinder-parabolic thermosolar collector to which photovoltaic plates arranged in a symmetrical manner with respect to the longitudinal plane of the reflector's symmetry are attached, each of said photovoltaic panels is joined by means of a support to the support structure of the reflector so that it is parallel to the longitudinal plane of symmetry of said reflector and with the face in which the photovoltaic cells are disposed facing the absorber tube of the collector, the distance between the plane defined by the lower edges of the photovoltaic plates and the plane defined by the longitudinal edges of the reflector is greater than the distance between said plane defined by the longitudinal edges of the reflector and the absorber tube and the distance between said photovoltaic plates opposite each other is greater than the distance between the longitudinal edges of the reflector . (Machine-translation by Google Translate, not legally binding)

Description

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DESCRIPCIONDESCRIPTION

Colector hibrido termosolar-fotovoltaico Objeto de la invencionHybrid solar-photovoltaic collector Object of the invention

Es objeto de la presente invencion un novedoso dispositivo de captation de la energia solar mediante la hibridacidn de la tecnologla termosolar y la tecnologla fotovoltaica en un unico captador que aprovecha la radiation solar directa y la difusa.The object of the present invention is a novel device for capturing solar energy by hybridizing solar thermal technology and photovoltaic technology in a single sensor that takes advantage of direct and diffuse solar radiation.

Antecedentes de la invencionBackground of the invention

Para el aprovechamiento de la energia procedente de sol se ha desarrollado, entre otras, la tecnologla fotovoltaica y la tecnologla termosolar mediante colectores cillndrico-parabdlicos.For the use of energy from the sun, among other things, photovoltaic technology and thermosolar technology have been developed through cylindrical-paradolic collectors.

La tecnologla fotovoltaica permite la transformation, sin necesidad de otros dispositivos o sistemas, de la radiacidn solar en electricidad mediante paneles fotovoltaicos. La radiacion solar aprovechada por las cdlulas fotovoltaicas es la directa y la difusa, la primera es la radiacidn que incide perpendicularmente a la superficie del panel fotovoltaico y la segunda, la difusa, es toda aquella radiacion solar que no incide perpendicularmente a su superficie.The photovoltaic technology allows the transformation, without the need of other devices or systems, of solar radiation into electricity by means of photovoltaic panels. The solar radiation used by the photovoltaic cells is direct and diffuse, the first is the radiation that perpendicularly affects the surface of the photovoltaic panel and the second, the diffuse, is all that solar radiation that does not perpendicular to its surface.

La tecnologla termosolar calienta un fluido que se utiliza como fluido caloportador para obtener vapor de agua que posteriormente se expansions en un ciclo tdrmico, mediante la expansidn del vapor de agua en una turbina acoplada a un generador de electricidad. La tecnologla termosolar puede utilizar captadores cilindro-parabolicos, que son aquellos en los que la section transversal del relector es un arco de parabola y que concentran la radiacion solar directa en su llnea focal en la que estd dispuesto un tubo absorbedor por el que circula el fluido caloportador, usualmente aceite sintdtico, que posteriormente cederd su energia al agua convirtidndola en vapor de agua a alta presidn. Este tipo de colectores cilindro- parabdlicos comprenden un bastidor, que los ancla al suelo, usualmente en direccidn norte- sur, una estructura de soporte, un reflector que comprende una lamina cuya seccidn transversal es parabdlica y sobre la cual se dispone una pluralidad de espejos, y un dispositivo de seguimiento solar, que orienta al reflector, para que durante todas las horas del dla el sol este comprendido en el piano longitudinal de simetrla del colector.The thermosolar technology heats a fluid that is used as a heat transfer fluid to obtain water vapor that subsequently expands in a thermal cycle, by expanding water vapor in a turbine coupled to an electricity generator. The thermosolar technology can use parabolic trough collectors, which are those in which the cross section of the relay is an arc of parabola and that concentrates the direct solar radiation in its focal line in which an absorber tube is circulated through which the heat transfer fluid, usually synthetic oil, which subsequently transferred its energy to water, converting it into water vapor at high pressure. This type of parabolic trough collector comprises a frame, which anchor them to the ground, usually in a north-south direction, a support structure, a reflector comprising a sheet whose cross section is paradolic and on which a plurality of mirrors are arranged , and a solar tracking device, which guides the reflector, so that during all hours of the day the sun is included in the longitudinal piano symmetry of the collector.

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El objetivo de la presente invencion es la unibn de la tecnologia termosolar y fotovoltaica en un solo colector y as! poder aprovechar tanto la radiation solar directa como la difusa ya que no se conocen sistemas que unan ambas tecnologias.The objective of the present invention is the union of solar thermal and photovoltaic technology in a single collector and so on! to be able to take advantage of both direct and diffuse solar radiation since there are no known systems that link both technologies.

Descripcibn de la invencionDescription of the invention

El colector hibrido termosolar-fotovoltaico, objeto de la presente description, comprende un colector termosolar cilindro-parabolico y una pluralidad de placas fotovoltaicas, preferentemente del tipo multi-union, tales que:The hybrid solar-thermal photovoltaic collector, object of the present description, comprises a parabolic-cylinder solar thermal collector and a plurality of photovoltaic panels, preferably of the multi-union type, such that:

• las placas fotovoltaicas estan dispuestas de manera simetrica respecto al piano longitudinal de simetria del reflector,• the photovoltaic panels are arranged symmetrically with respect to the longitudinal piano of symmetry of the reflector,

• cada una de las referidas placas fotovoltaicas estb unida mediante un soporte a la estructura de soporte del reflector, de manera que quede paralela al piano longitudinal de simetria del referido reflector y con la cara en la que estan dispuestas las cblulas fotovoltaicas orientada hacia el tubo absorbedor del colector,• each of the aforementioned photovoltaic panels is connected by means of a support to the support structure of the reflector, so that it is parallel to the longitudinal piano of symmetry of said reflector and with the face on which the photovoltaic cells oriented towards the tube are arranged collector absorber,

• la distancia entre el piano definido por los hordes inferiores de las placas fotovoltaicas y el piano definido por los hordes longitudinales del reflector es mayor que la distancia entre el referido piano definido por los hordes longitudinales del reflector y el tubo absorbedor y• the distance between the piano defined by the lower hordes of the photovoltaic panels and the piano defined by the longitudinal hordes of the reflector is greater than the distance between said piano defined by the longitudinal hordes of the reflector and the absorber tube and

• la distancia entre dichas placas fotovoltaicas opuestas entre si es mayor que la distancia entre los hordes longitudinales del reflector.• the distance between said photovoltaic panels opposite each other is greater than the distance between the longitudinal hordes of the reflector.

Breve descripcion de los dibujosBrief description of the drawings

Figura 1: vista en perspectiva de una realization preferente del colector hibrido termosolar- fotovoltaico.Figure 1: Perspective view of a preferred embodiment of the solar thermal-photovoltaic hybrid collector.

Realizacibn preferentePreferred realization

En la figura 1 se muestra una realizacion preferente del colector hibrido termosolar- fotovoltaico (1). Dicha realizacion preferente muestra los elementos fundamentales de la invencibn que son un colector termosolar cilindro-parabolico (2) y las placas fotovoltaicas (3).A preferred embodiment of the solar thermal-photovoltaic hybrid collector (1) is shown in Figure 1. Said preferred embodiment shows the fundamental elements of the invention which are a parabolic trough solar thermal collector (2) and photovoltaic panels (3).

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El colector termosolar cilindro-parabolico (2) comprende un bastidor (4) anclado al suelo, que soporta el resto de componentes de la invention, una estructura (5) de soporte del reflector (6), el reflector (6), el tubo absorbedor (7) y un dispositivo de seguimiento solar, no mostrado en la figura.The parabolic trough solar thermal collector (2) comprises a frame (4) anchored to the ground, which supports the rest of the components of the invention, a support structure (5) for the reflector (6), the reflector (6), the tube absorber (7) and a solar tracking device, not shown in the figure.

Las placas fotovoltaicas (3) estdn dispuestas de manera si metrics respecto a I piano longitudinal de simetria del reflector. Cada una de las referidas placas fotovoltaicas (3) esta unida mediante un soporte (8) a la estructura (5) de soporte del reflector (6), de manera que quede paralela al piano longitudinal de simetria del referido reflector (6) y con la cara en la que estan dispuestas las celulas fotovoltaicas orientada hacia el tubo absorbedor (7) del colector, y la distancia entre el piano definido por los bordes inferiores de las placas fotovoltaicas (3) y el piano definido por los bordes longitudinales del reflector (6) es mayor que la distancia entre el referido piano definido por los bordes longitudinales del reflector (6) y el tubo absorbedor (7) y la distancia entre dichas placas fotovoltaicas (3) opuestas entre si es mayor que la distancia entre los bordes longitudinales del referido reflector (6). Con esta disposition de las placas fotovoltaicas, esta no generan ninguna sombra en el reflector y aprovechan la radiacion difusa procedente del sol y tanto la radiacion directa y difusa procedente del reflector.The photovoltaic panels (3) are arranged in such a way as metrics with respect to the longitudinal piano of reflector symmetry. Each of the aforementioned photovoltaic panels (3) is connected by a support (8) to the support structure (5) of the reflector (6), so that it is parallel to the longitudinal piano of symmetry of said reflector (6) and with the face on which the photovoltaic cells are oriented towards the absorber tube (7) of the collector, and the distance between the piano defined by the lower edges of the photovoltaic panels (3) and the piano defined by the longitudinal edges of the reflector ( 6) is greater than the distance between said piano defined by the longitudinal edges of the reflector (6) and the absorber tube (7) and the distance between said photovoltaic panels (3) opposite each other is greater than the distance between the longitudinal edges of the aforementioned reflector (6). With this arrangement of the photovoltaic panels, it does not generate any shade in the reflector and take advantage of diffuse radiation from the sun and both direct and diffuse radiation from the reflector.

Preferentemente, las placas fotovoltaicas son del tipo multiunion, debido a que al estar formadas por varias l&minas de distintos materiales tienen varios saltos de energia interna, band-gaps, lo que les permite aprovechar una parte mayor del espectro de la radiacion solar y consecuentemente captar una mayor cantidad de radiacion por area. Esta tecnologfa fotovoltaica est& especial mente indicada para situaciones en los que se requiera poca superficie pero una gran eficiencia, como es el caso de los colectores termosolares donde la superficie disponible para la instalacidn de las placas es limitado. El hecho de que exista tanto seguimiento como concentration de la radiacion no hace sino incrementar el atractivo de esta tecnologia fotovoltaica en estos tipos de dispositivos.Preferably, the photovoltaic panels are of the multi-junction type, because they are formed by several lines of different materials and have several internal energy breaks, band-gaps, which allows them to take advantage of a larger part of the solar radiation spectrum and consequently capture a greater amount of radiation per area. This photovoltaic technology is especially suitable for situations where little surface area is required but high efficiency, as is the case of solar thermal collectors where the surface available for the installation of the plates is limited. The fact that there is both monitoring and concentration of radiation only increases the attractiveness of this photovoltaic technology in these types of devices.

Las placas fotovoltaicas recibirian por un lado la radiacion difusa procedente de las nubes y particulas en suspension, del suelo y de cualquier otro elemento. Adicionalmente tambi§n recibirian aquella parte de radiacidn difusa que rebote en los espejos del colector y alcanzara a las placas fotovoltaicas, ademas de aquella radiacidn directa que debido a que los espejos no tienen una curvatura perfects vayan no se enfoque correctamente sobre el tubo absorbedor e intercepten en su camino a las placas fotovoltaicas.Photovoltaic panels would receive diffuse radiation from clouds and suspended particles, from the ground and from any other element. Additionally, they would also receive that part of diffuse radiation that bounces off the collector's mirrors and will reach the photovoltaic panels, in addition to that direct radiation that, because the mirrors do not have a perfect curvature, do not focus properly on the absorber tube. intercept on their way to the photovoltaic panels.

Claims (1)

REIVINDICACIONES 1. Colector hibrido termosolar-fotovoltaico caracterizado porque comprende un colector 5 termosolar cilindro-parabolico y una pluralidad de placas fotovoltaicas, tales que:1. Hybrid solar-photovoltaic collector characterized in that it comprises a solar-parabolic cylinder-solar thermal collector 5 and a plurality of photovoltaic panels, such that: • las placas fotovoltaicas est£n dispuestas de manera simetrica respecto al piano longitudinal de simetria del reflector,• the photovoltaic panels are arranged symmetrically with respect to the longitudinal piano of symmetry of the reflector, • cada una de las referidas placas fotovoltaicas esta unida mediante un soporte a la estructura de soporte del reflector de manera que queda paralela al piano• each of the aforementioned photovoltaic panels is connected by a support to the support structure of the reflector so that it is parallel to the piano 10 longitudinal de simetria del referido reflector y con la cara en la que estan10 longitudinal symmetry of said reflector and with the face on which they are dispuestas las celulas fotovoltaicas orientada hacia el tubo absorbedor del colector,arranged the photovoltaic cells oriented towards the collector absorber tube, • la distancia entre el piano definido por los bordes inferiores de las placas fotovoltaicas y el piano definido por los bordes longitudinales del reflector es• the distance between the piano defined by the lower edges of the photovoltaic panels and the piano defined by the longitudinal edges of the reflector is 15 mayor que la distancia entre el referido piano definido por los bordes15 greater than the distance between said piano defined by the edges longitudinales del reflector y el tubo absorbedor ylongitudinal reflector and absorber tube and • la distancia entre dichas placas fotovoltaicas opuestas entre si es mayor que la distancia entre los bordes longitudinales del reflector.• the distance between said photovoltaic panels opposite each other is greater than the distance between the longitudinal edges of the reflector. 20 2. Colector hibrido termosolar-fotovoltaico, segun reivindicacibn 1, caracterizado20 2. Thermosolar-photovoltaic hybrid collector, according to claim 1, characterized porque las placas fotovoltaicas son del tipo multiunibn.because the photovoltaic panels are of the multiunibn type.
ES201500361A 2015-05-18 2015-05-18 Hybrid solar-photovoltaic collector Expired - Fee Related ES2590231B1 (en)

Priority Applications (1)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1983001292A1 (en) * 1981-10-01 1983-04-14 Tor Ask Apparatus for collecting solar energy
US6363928B1 (en) * 2000-04-04 2002-04-02 Alternative Energy Group, Inc. Solar collection system
US20110279918A1 (en) * 2010-05-17 2011-11-17 Skywatch Energy, Inc. Concentrating solar energy collector
JP2013096676A (en) * 2011-11-04 2013-05-20 Toyota Industries Corp Solar energy conversion device
US20130213455A1 (en) * 2012-02-22 2013-08-22 Matalon Energy, Llc Hybrid solar collector

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1983001292A1 (en) * 1981-10-01 1983-04-14 Tor Ask Apparatus for collecting solar energy
US6363928B1 (en) * 2000-04-04 2002-04-02 Alternative Energy Group, Inc. Solar collection system
US20110279918A1 (en) * 2010-05-17 2011-11-17 Skywatch Energy, Inc. Concentrating solar energy collector
JP2013096676A (en) * 2011-11-04 2013-05-20 Toyota Industries Corp Solar energy conversion device
US20130213455A1 (en) * 2012-02-22 2013-08-22 Matalon Energy, Llc Hybrid solar collector

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