US20140216440A1 - Tracker support system for solar sensor - Google Patents

Tracker support system for solar sensor Download PDF

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Publication number
US20140216440A1
US20140216440A1 US14/119,663 US201214119663A US2014216440A1 US 20140216440 A1 US20140216440 A1 US 20140216440A1 US 201214119663 A US201214119663 A US 201214119663A US 2014216440 A1 US2014216440 A1 US 2014216440A1
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US
United States
Prior art keywords
rotation
support system
framework
ground
tracker
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
US14/119,663
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English (en)
Inventor
Madyan Michotte De Welle
Yacin Michotte De Welle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Prestige Solaire SAS
Original Assignee
Prestige Solaire SAS
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.)
Filing date
Publication date
Priority claimed from FR1101659A external-priority patent/FR2976057A1/fr
Priority claimed from FR1162002A external-priority patent/FR2976056B1/fr
Application filed by Prestige Solaire SAS filed Critical Prestige Solaire SAS
Assigned to PRESTIGE SOLAIRE reassignment PRESTIGE SOLAIRE ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MICHOTTE DE WELLE, Madyan, MICHOTTE DE WELLE, Yacin
Publication of US20140216440A1 publication Critical patent/US20140216440A1/en
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00—Solar heat collectors specially adapted for particular uses or environments
    • F24S20/70—Waterborne solar heat collector modules
    • F24J2/5427—
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
    • F16H19/001—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for conveying reciprocating or limited rotary motion
    • 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
    • F24S25/12—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface using posts in combination with upper profiles
    • 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
    • F24S25/13—Profile arrangements, e.g. trusses
    • 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
    • F24S25/30—Arrangement of stationary mountings or supports for solar heat collector modules using elongate rigid mounting elements extending substantially along the supporting surface, e.g. for covering buildings with solar heat collectors
    • F24S25/33—Arrangement of stationary mountings or supports for solar heat collector modules using elongate rigid mounting elements extending substantially along the supporting surface, e.g. for covering buildings with solar heat collectors forming substantially planar assemblies, e.g. of coplanar or stacked profiles
    • F24S25/37—Arrangement of stationary mountings or supports for solar heat collector modules using elongate rigid mounting elements extending substantially along the supporting surface, e.g. for covering buildings with solar heat collectors forming substantially planar assemblies, e.g. of coplanar or stacked profiles forming coplanar grids comprising longitudinal and transversal profiles
    • 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
    • F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
    • F24S25/61—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing to the ground or to building structures
    • F24S25/617—Elements driven into the ground, e.g. anchor-piles; Foundations for supporting elements; Connectors for connecting supporting structures to the ground or to flat horizontal surfaces
    • 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
    • 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
    • F24S30/458—Arrangements for moving or orienting solar heat collector modules for rotary movement with two rotation axes with inclined primary axis
    • H01L31/0422—
    • 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
    • H02S20/00—Supporting structures for PV modules
    • 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
    • F24S2030/13—Transmissions
    • F24S2030/134—Transmissions in the form of gearings or rack-and-pinion transmissions
    • 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
    • F24S2030/13—Transmissions
    • F24S2030/135—Transmissions in the form of threaded elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
    • F24S40/80—Accommodating differential expansion of solar collector elements
    • F24S40/85—Arrangements for protecting solar collectors against adverse weather conditions
    • 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
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/14—Rotary member or shaft indexing, e.g., tool or work turret
    • Y10T74/1471—Plural operators or input drives

Definitions

  • the present invention relates to a solar collector tracker support system. It more particularly relates to a tracker support system that can be oriented along two axes of rotation, a horizontal axis of rotation for a rotation making it possible to track the sun as it rises and lowers, and a vertical axis of rotation for a rotation making it possible to track the sun from East to West, respectively.
  • the subject-matter of the invention falls within the field of tracker support systems, also called solar trackers, with two axes, in other words which can be oriented in terms of azimuth and elevation.
  • the invention is applicable in solar trackers with two axes supporting solar collectors, in particular of the following types:
  • a tracker support system comprising a stationary single pillar anchored in the ground and a moving structure including two arms rotated along the vertical axis of rotation using a first motorized gear motor unit positioned at the end of the single pillar.
  • the tracker support system also integrates a second structure that is rotatable in terms of elevation and bearing the solar collectors.
  • These single pillar tracker support systems thus have a relatively small ground print dimension, in this case equivalent to the diameter of the single pillar, which therefore limits the surface area of the solar collectors that can be supported.
  • the surface area of the solar panels increases, the influence of the wind increases as well. Under the action of the wind, the solar panels exert a torque effect often exceeding 170,000 Nm (newton meter) at the anchoring point of the single pillar in the ground.
  • the present invention aims to resolve this drawback by proposing a tracker support system for a solar tracker that makes it possible to provide anchoring in the ground without a concrete boot, while making it possible to achieve solar collector surface areas greater than or equal to approximately 50 m 2 .
  • Another aim of the invention is to propose a tracker support system for a solar tracker that is quick and easy to assemble, while favoring the use of standard parts.
  • Another aim of the invention is to propose a tracker support system for a solar tracker that offers a ratio between the steel mass used and the surface area of the solar collectors that is less than 25 kg of steel per square meter of solar collector, thereby facilitating the handling and placement operations.
  • Another aim of the invention is to propose a tracker support system for a solar tracker that makes it possible to achieve a safety threshold of approximately 70 km/h, that safety threshold corresponding to the wind speed beyond which an automatic securing system is activated to flatten the solar collectors, i.e., to make them horizontal.
  • the invention proposes a tracker support system for a solar collector, of the type that can be oriented along two axes of rotation, i.e., a vertical axis of rotation and a horizontal axis of rotation, respectively, and comprising:
  • this tracker support system is particularly advantageous, as it proposes to monitor the ratio between the largest ground print distance and the zenith height to guarantee a robust architecture, suitable for ground anchoring of the support meeting the constraints due to wind and gravity with solar collector surface areas greater than or equal to approximately 50 m 2 , this ratio of approximately from 0.5 to 1.5 in particular making it possible to reach acceptable traction and compression strains for the ground anchoring means.
  • the fixed structure is made up of a pylon having feet on which the anchoring points are provided and extending over a predetermined height from the ground anchoring plane, the ratio of said height of the pylon to the zenith height being comprised in a span ranging from 0.5 to 0.9, and preferably in a span ranging from 0.7 to 0.8.
  • Such a ratio between the height of the pylon and the zenith height guarantees sufficient stiffness for the expected results, i.e., the ability to bear solar collectors with large surface areas with high-performance ground anchoring.
  • the pylon has:
  • Such a configuration has the advantages of considerable ground stability, which guarantees mechanical strength of the fixed structure, allowing an increased surface area of the solar collectors.
  • the pylon is made up of an assembly of metal profiles, typically of the angle iron type, having a length smaller than approximately 3 m, a transverse section whereof the dimensions are smaller than approximately 150 mm by 150 mm, preferably smaller than approximately 100 mm by 100 mm.
  • These metal profiles have the advantage of reducing manufacturing costs, in particular by selecting profiles that are commercially available, for example such as the angle irons used for transmission towers.
  • moving structure and/or the first framework and/or the second framework also to be made up of an assembly of such metal profiles.
  • the metal profiles are assembled by screwing, bolting or riveting, thereby ensuring quick and easy assembly.
  • the fixed structure includes a ring gear on which the first framework is rotatably mounted along the vertical axis of rotation, and several feet distributed on the periphery of the ring, in particular regularly, defining ground anchoring points and provided to fix anchoring members.
  • the second framework includes a platform defining the support plane for the solar collectors and at least two guy ropes positioned on either side of the vertical axis of rotation, each guy rope extending substantially orthogonally to said support plane and having a part fixed on the platform and at least one free end connected to the platform using connections, in particular of the tension rope, rigid rod or metal profile type.
  • guy ropes has the advantage of limiting the deformations of the platform, considerable rigidity of the platform being particularly advantageous for the large surface areas of solar collectors, and in particular for concentration photovoltaic solar panels.
  • guy ropes thereby makes it possible to have a platform with a width two times larger than the depth, which makes it possible to limit the torque effect due to the effect of the wind on the platform at the ground anchoring.
  • each guy rope extends on either side of the platform and has two opposite free ends connected to the platform using connections, each guy rope having a central part fixed on the platform.
  • the at least two guy ropes comprise two pairs of guy ropes positioned on either side of the vertical axis of rotation.
  • two guy ropes are provided on both sides of the platform, i.e., a total of at least four guy ropes that contribute to increasing the stiffness of the platform.
  • the second framework includes a platform defining the support plane of the solar collectors and which comprises:
  • the guy ropes can be fixed on said sidepieces.
  • the tracker support system further comprises anchoring members, preferably at least three anchoring members, configured to cooperate with the ground anchoring points to anchor the fixed structure in the ground, said ground anchoring members, in particular of the screw, pile, rod or peg type, being designed to penetrate the ground and anchor the tracker support system.
  • the architecture of the tracker support system is particularly well suited to these anchoring members, since it makes it possible to have traction/compression strains below 40,000 N on the anchoring members, thereby ensuring effective anchoring for large solar collector surface areas.
  • the present invention relates to the feature by which the first framework includes at least two arms secured to each other and rotatably mounted on the fixed structure, the use of these two arms making it possible to limit the deformation of the support plane of the solar collectors, under the effect of the wind and the weight of the solar collectors.
  • the two arms form a V-shaped structure.
  • This V-shaped structure makes it possible to separate the ring gear sectors and thereby optimize the deflected curves on the second framework. In other words, with such a V-shaped structure, it is advantageously possible to decrease the bending on the second framework and thereby lighten the weight of the tracker system.
  • the first framework includes two supports fixed on the upper ends of the two arms, respectively, and each having a first bearing and a second bearing in which the transmission shaft and the corresponding ring gear sector are respectively rotatably mounted.
  • the transmission shaft is rotatably mounted in the first bearings of the supports and the ring gear sectors are rotatably mounted in the second bearings of the corresponding supports, these supports guaranteeing the structural cohesion and mechanical strength of the assembly to limit the risks of torsion of the second framework.
  • the tracker support system comprises a motorized system for rotating the first framework along the vertical axis of rotation, including:
  • Such a motorized system thereby makes it possible to perform the vertical rotation function with a reduced bulk.
  • the tracker support system comprises a motorized system for rotating the second framework along the horizontal axis of rotation, including:
  • This motorized system for driving horizontal rotation is particularly advantageous to stabilize the rotation of the second framework with its central transmission shaft, and thereby guarantee high-precision tracking of the sun, which is particularly essential for concentration photovoltaic solar panels. Furthermore, the coupling of the pinions by the transmission shaft makes it possible to rigidify the second framework and avoid torsion thereof under the effect of non-uniform pressure from the wind.
  • the horizontal axis of rotation is separated from the vertical axis of rotation by a predetermined distance such that the second framework can be moved into a position in which the support plane is vertical.
  • the invention also relates to a solar assembly including a tracker support system according to the invention, and solar collectors supported by the second framework of the tracker support system.
  • FIG. 2 is a diagrammatic perspective back view of the first tracker support system of FIG. 1 ;
  • FIG. 3 is an enlarged diagrammatic view of part of the first tracker support system of FIGS. 1 and 2 ;
  • FIG. 4 is an enlarged diagrammatic view of another part of the first tracker support system of FIGS. 1 and 2 ;
  • FIG. 5 is a diagrammatic horizontal cross-sectional view of a motorized system for rotating the first framework along the vertical axis of rotation of the first tracker support system of FIGS. 1 and 2 ;
  • FIG. 7 is a diagrammatic side view of the first tracker support system of FIGS. 1 and 2 , with the platform parallel to the vertical axis of rotation;
  • FIG. 8 is a diagrammatic perspective view of a second tracker support system according to the invention.
  • FIG. 10 is a diagrammatic front view illustrating the second tracker support system of FIGS. 8 and 9 ;
  • FIG. 11 is an enlarged diagrammatic perspective view of the fixed structure and the lower part of the first framework of the moving structure of the second tracker support system of FIGS. 8 and 9 ;
  • FIG. 12 is a diagrammatic perspective view from a different angle illustrating the motorized system for rotating the second framework of the moving structure of the second tracker support system.
  • FIGS. 1 to 7 for a first tracker support system 1
  • FIGS. 8 to 12 for a second tracker support system 1
  • these tracker support systems 1 being able to be oriented along two axes of rotation, i.e., a vertical axis of rotation AV and a horizontal axis of rotation AH.
  • the pylon 2 is made up of an assembly of metal profiles having a length smaller than approximately 3 m, and a transverse section whereof the dimensions are smaller than approximately 100 mm by 100 mm, said metal profiles being assembled by screwing, bolting or riveting.
  • these metal profiles are made up of angle irons, with an L-shaped transverse section, widely marketed and commercially available.
  • each foot 24 includes:
  • each anchoring member 9 is of the screw type and includes an upper cylindrical portion, for example tubular, that extends in the extension of a slender inner portion provided with a helical projection (not shown) forming the screw pitch.
  • the anchoring members 9 may have a length HE close to 1.5 m or 2 m, or even greater than those values.
  • the second framework 5 also includes two pairs of guy ropes 71 a , 71 b and 72 a, 72 b positioned on either side of the vertical axis of rotation AV symmetrically, each pair of guy ropes comprising an upper guy rope 71 a , 72 a fixed on a sidepiece 60 , in this case the upper sidepiece, and a lower guy rope 7 fixed on the other sidepiece 60 , in this case the lower sidepiece, said guy ropes 7 extending orthogonally to the support plane and each having:
  • each tracker support system 1 comprises a motorized drive system 8 (shown in detail in FIGS. 3 , 4 , 6 and 7 for the first embodiment, and in FIGS. 9 and 12 for the second embodiment), including:
  • the first framework 4 includes two supports 46 fixed on the respective free ends of the two arms 40 and each having two bearings, i.e.:
  • the first framework 4 also includes a reinforcing beam 51 connecting the upper ends of the arms 40 , and more particularly connecting the yokes 50 , extending substantially parallel to the horizontal axis of rotation AH.
  • the guy ropes 71 a , 71 b of the first pair are positioned substantially at the intersection of the first crosspiece 83 with the respective sidepieces 60
  • the guy ropes 72 a , 72 b of the second pair are positioned substantially at the intersection of a second crosspiece 83 with the respective sidepieces 60 .
  • the ratio of the largest ground print distance DE to the zenith height HZ is comprised in a span ranging from 0.5 to 1.5, and preferably in a span ranging from 0.8 to 1.2, which means that:
  • the ratio of the height HP of the pylon 2 to the zenith height HZ is comprised in a span ranging from 0.5 to 0.9, and preferably in a span ranging from 0.7 to 0.8, which means that:
  • the platform 6 defines a support surface area of the solar collectors comprised between approximately 40 and 100 m 2 , preferably between approximately 50 and 75 m 2 .
  • the zenith height HZ may be comprised between 2 and 5 m.
  • the horizontal axis of rotation AH is separated from the vertical axis of rotation AV by a distance E such that the second framework 5 , and therefore the platform 6 , can pivot around the horizontal axis of rotation AH until the support plane, and therefore the solar collectors, are vertical (as illustrated in FIGS. 6 and 7 for the first embodiment) without the platform 6 coming into contact with the pylon 2 , or more generally without the second framework 5 coming into contact with the first framework 2 .

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (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)
  • Gear Transmission (AREA)
  • Photovoltaic Devices (AREA)
US14/119,663 2011-05-30 2012-05-29 Tracker support system for solar sensor Abandoned US20140216440A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
FR11/01659 2011-05-30
FR1101659A FR2976057A1 (fr) 2011-05-30 2011-05-30 Support de capteurs solaires orientable
FR11/62002 2011-12-20
FR1162002A FR2976056B1 (fr) 2011-12-20 2011-12-20 Systeme de support suiveur pour capteur solaire
PCT/FR2012/051199 WO2012164217A1 (fr) 2011-05-30 2012-05-29 Système de support suiveur pour capteur solaire

Publications (1)

Publication Number Publication Date
US20140216440A1 true US20140216440A1 (en) 2014-08-07

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US14/119,663 Abandoned US20140216440A1 (en) 2011-05-30 2012-05-29 Tracker support system for solar sensor
US14/122,368 Active 2033-01-05 US9447991B2 (en) 2011-05-30 2012-05-30 Motorized rotational drive system for a solar collector tracker support system

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US14/122,368 Active 2033-01-05 US9447991B2 (en) 2011-05-30 2012-05-30 Motorized rotational drive system for a solar collector tracker support system

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US (2) US20140216440A1 (fr)
FR (1) FR2976058B1 (fr)
WO (2) WO2012164217A1 (fr)

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WO2020070527A1 (fr) 2018-10-04 2020-04-09 Gkamanis Achilleas Centrale solaire améliorée

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US20160365830A1 (en) * 2015-05-18 2016-12-15 Alion Energy, Inc. Systems and methods for rotating photovoltaic modules
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EP3482142A4 (fr) * 2016-07-08 2020-10-28 Alion Energy, Inc. Systèmes et procédés destinés au montage et au verrouillage rotatifs de panneaux solaires
DE202017006862U1 (de) * 2016-07-08 2018-09-24 Alion Energy, Inc. Systeme zum drehbaren Lagern und Sichern von Solarpaneelen
PT3364123T (pt) * 2017-02-17 2020-01-15 Nexans Solar Tech Rastreador solar com acoplamento cinemático
US11088654B2 (en) * 2019-10-15 2021-08-10 Solar Foundations Usa, Inc. Dual pile cap
EP4197099A1 (fr) * 2020-08-17 2023-06-21 Nextracker LLC Liaison de plusieurs parois sur des piliers
US11949370B2 (en) 2020-09-14 2024-04-02 Nextracker Llc Support frames for solar trackers
CN112628376B (zh) * 2020-12-09 2022-05-27 山西奥博能源电力有限公司 可跟踪太阳方位角的槽式集热器传动机构

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FR2976058B1 (fr) 2013-07-05
WO2012164222A1 (fr) 2012-12-06
US20140083249A1 (en) 2014-03-27
US9447991B2 (en) 2016-09-20
FR2976058A1 (fr) 2012-12-07
WO2012164217A1 (fr) 2012-12-06

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