WO2014060415A1 - Icpvs - système à concentration photovoltaïque intégré, installation le comprenant et son procédé d'installation sur site - Google Patents

Icpvs - système à concentration photovoltaïque intégré, installation le comprenant et son procédé d'installation sur site Download PDF

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Publication number
WO2014060415A1
WO2014060415A1 PCT/EP2013/071532 EP2013071532W WO2014060415A1 WO 2014060415 A1 WO2014060415 A1 WO 2014060415A1 EP 2013071532 W EP2013071532 W EP 2013071532W WO 2014060415 A1 WO2014060415 A1 WO 2014060415A1
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WO
WIPO (PCT)
Prior art keywords
icpvs
super
modules
assembly
field
Prior art date
Application number
PCT/EP2013/071532
Other languages
English (en)
Inventor
Ricard PARDELL VILELLA
Original Assignee
Pardell Vilella Ricard
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Pardell Vilella Ricard filed Critical Pardell Vilella Ricard
Publication of WO2014060415A1 publication Critical patent/WO2014060415A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00—Arrangements for moving or orienting solar heat collector modules
    • F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
    • F24S30/45—Arrangements for moving or orienting solar heat collector modules for rotary movement with two rotation axes
    • F24S30/452—Vertical primary axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/10—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S2025/01—Special support components; Methods of use
    • F24S2025/014—Methods for installing support elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00—Arrangements for moving or orienting solar heat collector modules
    • F24S2030/10—Special components
    • F24S2030/15—Bearings
    • 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
    • Y02E10/47—Mountings or tracking

Definitions

  • the present invention relates generally to Concentration Photovoltaic (CPV ) systems and in particular, to an integrated CPV system ( ICPVS ), which can be manufactured and tested as a single unit and rapidly deployed on the field without requiring skilled personnel.
  • CPV Concentration Photovoltaic
  • ICPVS integrated CPV system
  • Concentrators are basically composed of a photovoltaic cell onto which solar radiation is concentrated by an optical system.
  • the concentrators are usually integrated into modules, each module comprising a group of concentrators arranged in an array pattern.
  • CPV systems comprise multiple CPV modules mounted on top of a solar tracking structure.
  • system installation basically consists in first erecting the solar tracker structure on the field, and then mounting individual CPV modules on top of that tracking structure.
  • One embodiment of the present invention provides an integrated concentration photovoltaic system ICPVS.
  • Another embodiment of the present invention provides an installation comprising said integrated concentration photovoltaic system ICPVS.
  • Yet another embodiment of the present invention provides a field installation method.
  • FIG. 1 shows an example integrated CPV system ICPVS according to the present invention.
  • FIG. 2 shows an exploded view of the ICPVS of Fig. 1 .
  • FIG. 3 shows the inner support structure of the ICPVS of Fig. 1.
  • FIG. 4 shows a more detailed view of the implementation of the connection means joinin the inner support structure with the CPV super-modules.
  • FIGs. 5 and 6 show a more detailed view of means for joining two CPV super- modules to form an ICPVS of FIG. 1 .
  • FIG. 7 shows a rear view of the ICPVS of Fig. 1 .
  • FIG. 8 shows a cross-sectional view of the ICPVS of the invention.
  • FIG. 9 is a general overview of an example ICPVS system installation according to the present inventi n.
  • FIGs. 10 to 15 show individual steps of an example field installment method for the ICPVS system of the present invention.
  • FIG. 1 shows a frontal view of an integrated concentration photovoltaic system ICPVS of the invention.
  • the ICPVS comprises a top assembly 8 and a bottom assembly 9.
  • the ICPVS further comprises a foundation post 11, which is to be driven into the ground, and which supports on its top the bottom assembly 9.
  • the ICPVS further comprises super- modules containing a plurality of CPV modules, or concentrators, each. Such super-modules are part of the top assembly 8.
  • Most efficient optical concentration systems for the super-modules are based on refractive optics havin an F- number of 1 or higher (being the F number the focal length to aperture ratio of the optical system.
  • top assembly 8 is detachably assembled onto the bottom assembly 9 by fixing means, such as bolts (not shown). Hence, top assembly 8 and bottom assembly 9 may be assembled together either at the manufacturing site or at the site where the ICPVS is to be installed.
  • FIG. 2 shows the ICPVS in more detail using an exploded view of the afore- described ICPVS comprising said top assembly 8, said bottom assembly 9 and said foundation post 11.
  • FIG. 2 also shows that the three elements of top assembly 8, bottom assembly 9 and foundation post I I may be detachably assembled one onto another.
  • the ICPVS may be used as a single unit. wherein top and bottom assembly 8, 9 are attached one onto another, or the ICPVS may be used as two separate units, i.e. top assembly 8 and bottom assembly 9 are not attached one onto another, but are used individual ly.
  • top and bottom assembly 8, 9 individually, i.e. separated from each other, allows a faster deployment on the installation field improving the logistics thereof.
  • the top assembly 8, herein a support structure is integrated within the super- modules may be tested, for example for field al ignment and/or calibration, as a single unit at the manufacturing site while the bottom assembly 9 can already be shi ped to the installation site. Therefore, no skilled personnel may be required in the field other than the construction workers.
  • installation costs and logistics may be reduced, while the quality and reliability of the ICPVS is increased compared to conventional systems. Due to the increased qual ity and reliabi lity of the ICPVS, maintenance costs may be reduced.
  • FIG. 3 shows the ICPVS of FIG. 1 without the super-modules. That is, FIG. 3 shows the interior supporting structure of the top assembly 8 that provides support from within and is integrated into the super-modules. Said interior supporting structure is here shown as attached onto the bottom assembly 9 on top of the foundation post 1 1 . Said interior supporting structure comprises a horizontal support means 2, for example a tube, and a central vertical structural part 3, for example a box.
  • the CPV super modules are configured to allow the horizontal tube 2 penetrating and passing through the interior of them (not shown).
  • the horizontal tube 2 passes partially through the super modules.
  • this tube 2 acts as a main structural supporting element and also as an elevation pivoting point.
  • the ICPVS takes advantage of the empty space inside each super-module 1 and vertical structural elements thereof can rely on the tube 2 itself as main supporting point. Therefore, this design avoids any structural redundancy in the integrated CPV system. This means that the manufacture of the integrated CPV system benefits from this simpl ified design, in that it may be carried out faster and in more economic ways.
  • the super modules and the supporting structure can be manufactured at the same manufacturing site, so that the integration of these two parts may be carried out as the last step of a manufacturing process resulting in an improved commissioning.
  • the horizontal tube 2 and the central structural box 3 form together a cross assembly, wherein the tube 2 and the box 3 are orthogonally arranged. Tube 2 and box 3 are arranged in such a way that the cross assembly is located approximately in the center of the top assembly 8.
  • said box 3 is having a rectangular section, as wind forces parallel to the horizontal tube 2 will always be lower than those normal to it. As a consequence, the distance between two super-modules 1 of an ICPVS can be minimized.
  • the horizontal tube 2 may be perforated to allow for at least power and signal cables pass through it (not shown).
  • the horizontal tube 2 and the structural central box 3 may thus be communicated.
  • the perforation of tube 2 may allow also for the communication of the air masses of the two super- modules 1, the horizontal tube 2 and the central box 3.
  • a single passive vent or an active blowing system may be installed inside the structural central box 3, having the advantage of reducing the number of components involved in the internal air management, thus reducing the system cost, the probability of failure and simplifying the maintenance operations.
  • each super-module rotates about tube 2 on polymeric maintenance-free bearings 4. This is shown in more detail in FIG. 4.
  • the horizontal bearings 4 are mounted inside each super-module, which has only one side perforated to allow the penetration of the horizontal tube 2. This perforation may be protected using o-ring seals 5, so that the ensemble of the two super-modules and the inside of the horizontal tube 2 are protected from the environment.
  • the polymeric maintenance-free bearings may have a long zero maintenance duration, i.e. a duration during which substantially no maintenance is required, which may last 25 years.
  • the ICPVS of FIG. 1 comprises two super- modules in the top assembly 8. These super-modules are assembled between them by coupling means 7, for example two union brackets 7 a, 7b (the latter thereof not shown in FIG. 1).
  • the arrangement of the union bracket 7a with the two super-modules is shown in more detail in FIG. 5, depicting the front side of the top assembly 8, whereas FIG. 6 illustrates the arrangement of the two super-modules with the union bracket 7b in the back side of the top assembly 8.
  • Said bracket 7a may further comprise a hole 7c, which allows it to be bolted to the central box 3 in order to secure the ICPVS system during transportation.
  • bracket 7b is located over the tube 2.
  • bracket 7a is located below the tube 2. Both brackets mechanical ly l ink the two super-modules and increase the overall stiffness.
  • FIG. 7 illustrates a rear view of the ICPVS of FIG. 1.
  • the ICPVS may further comprise at the back side of the top assembly 8 a screw or bolt actuator 6, which is used as an elevation drive.
  • a screw or bolt actuator 6 which is used as an elevation drive.
  • One of the elevation actuator's extremes, i.e. a first end, is attached to central box 3.
  • the other elevation actuator's extreme, i.e. a second end, is attached to top union bracket 7b.
  • the ICPVS comprises additionally a central electrical and communication connection means 10, for example a mast as illustrated in FIG. 8.
  • FIG. 8 depicts a cross-sectional view of an example ICPVS of FIG. 1.
  • the central connection mast 10 is guided through the bottom 9 and top assembly 8 of the ICPVS until it exits in the upper part of the top assembly 8, between the two super-modules 1 .
  • this mast 10 is attached to the fixed part of the bottom assembly 9, solidary to the ground, and passes through the horizontal tube 2 and central structural box 3.
  • mast 10 is attached to the part of the bottom, assembly 9, which is fixed to the foundation post 1 1 and, thus, united to the ground.
  • the mast 10 exits in the upper part of the top assembly 8 exceeding the height of the super-modules 1 when those are moved in vertical position.
  • the central connection mast 10 allows for an aerial cable 14 electrical and communications connection without interfering with the super-modules of the top assembly 8.
  • Such an aerial cable 14 for electrical and communication connecti n is advantageous over a terrestrial one, because laying terrestrial cables require additional field work and materials. Therefore, installment of the ICPVS installation of the invention minimizes material and installment time costs and requires additional ly no civil works other than just cleaning and flattening the installati n field.
  • said assembly 9 comprises a higher rotating part and a fixed lower part (not shown).
  • the lower part will be fixed to the foundation post 1 1 , for example by bolting.
  • the bottom assembly contains an azimuth drive (not shown).
  • this part also comprises polymeric m a i n ten ance-free hearings.
  • the azimuth mechanism comp ses a wheel, to which a chain or belt is attached or fastened (not shown). This chain or belt may be actuated by a sprocket or pulley driven by an azimuth motor.
  • FIG. 9 depicts a general view of an ICPVS installation comprising a plurality of the integrated concentration photovoltaics system ICPVS of the present invention.
  • Each ICPVS comprises a top assembly 8 detachably mounted on a bottom assembly 9, wherein the bottom assembly 9 is fixed to the ground 12 by means of a foundation post 1 1 .
  • the bottom assembly 8 comprises two super-modules containing a plurality of CPV modules
  • the bottom assembly 9 comprises an azimuth drive (not shown), and a central connection mast 10, which aerially connects the different ICPVS systems by means of an aerial cable 14 for electrical and communications connection.
  • the ICPVS installation can then be connected to a final pole 13, from which underground cables 15 can provide electrical and communication connections to a field bus.
  • this ICPVS installation is very fast to depl y on the field, can be easi ly interconnected, and involves a low environmental impact.
  • the installation of the invention may even be easily and quickly dismantled if need would be.
  • FIGs. 10 to 14 show different stages of a field instal lment of the ICPVS of the inventi n.
  • field installment comprises first driving the posts 11 , preferably made of steel, into the ground 12.
  • These posts 1 1 may be I I beams, square tubes or any other suitable profile, which is able to w ithstand not only tilting and radial forces but also torque.
  • the ICPVS installation may have a solid and stable ground structure providing for a longer l ife-time of the whole installation.
  • An alternative is to use round steer tubes to which several plates had been welded l ike wings.
  • square tubes are shown as an exam le.
  • These posts 11 can be very efficiently installed using mechanized post-driving machines 16 designed for road guard-rail installation.
  • bottom assembl ies 9 may be transported by trucks and bolted on top of posts 11 through attachment plates.
  • the bottom assemblies 9 are transported by small trucks because of the si/e of said assemblies 9.
  • the top assemblies 8 may then be shipped on trucks to the field, where they may be picked by cranes and bolted to previously installed bottom assemblies 9.
  • the transport of the top assemblies 8 is carried out by large trucks.
  • the central cross design of the inner support structure allows the top assemblies 8 to be transported by bolting its bottom part to the truck trailer platform and to be hoisted from the top of central box 3.
  • top and bottom assemblies 8, 9 are used as two separate units which are not united until their installment on the field. This approach provides for optimized logistics, fast commissionin and a very efficient transport of the individual assemblies 8 and 9 from the assembling line at the manufacturing site to the destination installation site.
  • assemblies 8 and 9 when separated may be installed or dismantled on field more quickly. Not desired to be bound to any theory, it is estimated that this approach allows the installment of 1 MW of solar power per day using a small field team of, for example, just 10 people.
  • grid connection is done using an aerial cable 14 running through the top of each central connection mast 1 0, thereby completing the installation, which is shown in one way of exam le in FIG. 15.
  • the individual systems are normally interconnected in the north-south direction, makin strings of several systems which are connected to at least one final pole 13 from which underground cables 1 5 can be connected to a field bus to provide electrical and communication connections (see FIG. 1).
  • This aerial connection system minimizes material and installment time costs com ared to an underground solution. It further requires no civil works other than just cleaning and flattening the field.
  • the installment process of the invention minimizes the usage of skilled personnel on the field and allows industrialized, fast, repeatable and error free installment and commissioning tasks.

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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

La présente invention concerne un système CPV intégré (ICPVS) qu'il est possible de fabriquer et de tester comme une seule unité et de déployer rapidement sur site, sans recourir à un personnel qualifié. Le système CPV intégré comprend un ensemble supérieur et un ensemble inférieur, ce dernier servant à fixer le système au sol, tandis que l'ensemble supérieur comprend une structure d'appui particulière destinée aux systèmes CPV. La présente invention concerne également une installation qui comprend une pluralité de ces systèmes CPV intégrés et un procédé d'installation sur le terrain de tels systèmes CPV intégrés.
PCT/EP2013/071532 2012-10-15 2013-10-15 Icpvs - système à concentration photovoltaïque intégré, installation le comprenant et son procédé d'installation sur site WO2014060415A1 (fr)

Applications Claiming Priority (2)

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US201261714221P 2012-10-15 2012-10-15
US61/714,221 2012-10-15

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WO2014060415A1 true WO2014060415A1 (fr) 2014-04-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017046429A1 (fr) * 2015-09-14 2017-03-23 Soltec Energías Renovables, S.L. Dispositif de collecte d'énergie solaire

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080087323A1 (en) * 2005-05-09 2008-04-17 Kenji Araki Concentrator Solar Photovoltaic Power Generating Apparatus
CN201247413Y (zh) * 2008-08-06 2009-05-27 昆山恒辉新能源有限公司 全自动大功率太阳能巡日追踪器
DE102009022155A1 (de) * 2009-05-20 2010-11-25 Deutsches Zentrum für Luft- und Raumfahrt e.V. Verfahren zum Kalibrieren eines Konzentrators einer solaren Energiegewinnungsanlage
US20110041834A1 (en) * 2009-08-24 2011-02-24 Liao Henry H Two-Axes Solar Tracker System and Apparatus for Solar Panel and Likes
WO2011163563A1 (fr) * 2010-06-24 2011-12-29 Magna International Inc Ensemble support solaire modulaire
WO2012046134A1 (fr) * 2010-10-08 2012-04-12 Michele Giudilli Appareil suiveur permettant de capter l'énergie solaire et mécanisme de déplacement d'axe relatif
WO2012083118A2 (fr) * 2010-12-17 2012-06-21 Greenvolts, Inc. Fragmentation structurale d'un ensemble suiveur solaire à deux axes dans un système photovoltaïque à concentration

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080087323A1 (en) * 2005-05-09 2008-04-17 Kenji Araki Concentrator Solar Photovoltaic Power Generating Apparatus
CN201247413Y (zh) * 2008-08-06 2009-05-27 昆山恒辉新能源有限公司 全自动大功率太阳能巡日追踪器
DE102009022155A1 (de) * 2009-05-20 2010-11-25 Deutsches Zentrum für Luft- und Raumfahrt e.V. Verfahren zum Kalibrieren eines Konzentrators einer solaren Energiegewinnungsanlage
US20110041834A1 (en) * 2009-08-24 2011-02-24 Liao Henry H Two-Axes Solar Tracker System and Apparatus for Solar Panel and Likes
WO2011163563A1 (fr) * 2010-06-24 2011-12-29 Magna International Inc Ensemble support solaire modulaire
WO2012046134A1 (fr) * 2010-10-08 2012-04-12 Michele Giudilli Appareil suiveur permettant de capter l'énergie solaire et mécanisme de déplacement d'axe relatif
WO2012083118A2 (fr) * 2010-12-17 2012-06-21 Greenvolts, Inc. Fragmentation structurale d'un ensemble suiveur solaire à deux axes dans un système photovoltaïque à concentration

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017046429A1 (fr) * 2015-09-14 2017-03-23 Soltec Energías Renovables, S.L. Dispositif de collecte d'énergie solaire
US10778140B2 (en) 2015-09-14 2020-09-15 Soltec Energías Renovables, S.L. Device for capturing solar energy

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