DE4036938A1 - Solar power generator tower - has inexpensive reflectors e.g. inner surfaces of waste drink cartons for diffuse light reflection - Google Patents

Solar power generator tower - has inexpensive reflectors e.g. inner surfaces of waste drink cartons for diffuse light reflection

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Publication number
DE4036938A1
DE4036938A1 DE4036938A DE4036938A DE4036938A1 DE 4036938 A1 DE4036938 A1 DE 4036938A1 DE 4036938 A DE4036938 A DE 4036938A DE 4036938 A DE4036938 A DE 4036938A DE 4036938 A1 DE4036938 A1 DE 4036938A1
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Prior art keywords
tower
energy
solar
light
power plant
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DE4036938A
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German (de)
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Des Erfinders Auf Nennung Verzicht
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Individual
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Individual
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Priority to DE4036938A priority Critical patent/DE4036938A1/en
Publication of DE4036938A1 publication Critical patent/DE4036938A1/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00Arrangements for moving or orienting solar heat collector modules
    • F24S30/40Arrangements for moving or orienting solar heat collector modules for rotary movement
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00Solar heat collectors specially adapted for particular uses or environments
    • F24S20/20Solar heat collectors for receiving concentrated solar energy, e.g. receivers for solar power plants
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/60Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
    • F24S25/61Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing to the ground or to building structures
    • F24S25/617Elements 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S2023/87Reflectors layout
    • F24S2023/872Assemblies of spaced reflective elements on common support, e.g. Fresnel reflectors
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/46Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/47Mountings or tracking

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cultivation Of Plants (AREA)
  • Photovoltaic Devices (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)

Abstract

Tower comprises reflections comprising materials which reflect light more diffusely and obtusely than conventional mirrors, e.g. aluminium (foil)-coated cardboard e.g. insides of used Tetra-pack drink cartons. Solar power generator uses solar energy simultaneously for plant photosynthesis (e.g. algae in large bioreactors) and for other uses (e.g. in power generator towers); and energy transport system is used e.g. for a solar power generator tower. ADVANTAGE - Reflectors, opt. mfd. from waste drink cartons.

Description

Turmsolaranlagen sind bekannt, doch sind sie sehr aufwendig und teuer da z. B. für jedes Panel computergesteuert einzeln dem Sonnen­ stand nachgeführt werden muß und teure Aluminium- oder Spiegelreflektoren verwendet werden.Tower solar systems are known, but they are very complex and expensive because B. computer-controlled for each panel individually the sun must be updated and expensive aluminum or mirror reflectors be used.

Die Erfindung hat es sich zur Aufgabe gemacht, mit einfachen und preiswerten Mitteln Solarenergie zu erzeugen. Gelöst wurde dies durch Schutzansprüche 1 bis 9. Insbesondere auch dadurch, daß Abfallstoffe der Industrieländer zu deren Herstellung verwendet werden können.The invention has set itself the task to generate solar energy with simple and inexpensive means. This was solved by claims 1 to 9 in particular in that waste from industrialized countries for their production can be used.

Skizze 1 (Zeichnung wird später nachgereicht/falls erwünscht auch eine genauere Beschreibung verschiedener Ausführungsarten) , zeigt eine Solarturmanlage von der Seite, Skizze 2 ein Reflektions­ modul im Querschnitt. Wobei 1 die Sonne ist, 2 die Sonnenstrahlen und 3 der Konzentrationspunkt der Strahlen im Turm. Nun werden die Strahlen 2 von den diffus reflektierenden Schichten 4 (z. B. ver­ arbeitete Tetra-Pack-Getränkeverpackungsbox Innenseiten) gestreut und dabei von stärker reflektierenden Schichten 5 insgesamt auf den Brennpunkt des Moduls 6 geführt, an dessen Stelle ein stark reflekt­ ierendes Material z. B. ein Spiegel sitzt, welcher somit das Licht des gesamten Moduls zu Punkt 3 reflektiert.Sketch 1 (drawing will be submitted later / if desired, a more detailed description of different versions), shows a solar tower system from the side, sketch 2 shows a reflection module in cross section. Where 1 is the sun, 2 the sun's rays and 3 the point of concentration of the rays in the tower. Now the beams 2 are scattered by the diffusely reflective layers 4 (e.g. processed tetra pack beverage packaging inside) and thereby guided by more reflective layers 5 overall onto the focal point of the module 6 , in its place a highly reflective material e.g. B. sits a mirror, which thus reflects the light of the entire module to point 3 .

Die einzelnen Module sind so auf einem Ständer 8 befestigt, daß sie über Verbindungseile (Stangen) 7 alle gemeinsam von einer Stelle aus über einen Motor oder per Handkurbel dem Sonnenstand nachgeführt werden, um ihr Licht im Turm zu konzentrieren. Federn können die Module wieder in ihre Ausgangslage zurückziehen (bei der Version mit Seilen/Schnüren).The individual modules are attached to a stand 8 in such a way that they are all connected to the sun by means of connecting parts (rods) 7 from one place via a motor or by hand crank in order to concentrate their light in the tower. Springs can pull the modules back to their starting position (in the version with ropes / cords).

Nr. 9 stellt hier eine Sanddrehschraube, mit der das Gerüst befestigt wird.No. 9 provides a sand screw with which the scaffold is attached.

Die Gesamtkonstruktion wird hierbei so angeordnet, daß der Boden dieser Anlage als landwirtschaftliche Nutzfläche betrieben wird. The overall construction is arranged so that the floor this facility is operated as agricultural land.  

Ich möchte hier auch noch auf jenes System eingehen, daß nur einen Teil der Strahlen reflektiert und den anderen z. B. Algen zu Foto­ synthese zuführt, wobei die Algen in flachen Behältern (ca. 8 cm Durchmesser) direkt unter den Reflektoren sind, welche genausoviel Licht dort hinterlassen, daß die Algen gerade Fotosynthese machen können.I would also like to go into the system here that only one Part of the rays reflected and the other z. B. Algae to photo Synthesis feeds, the algae in flat containers (approx. 8 cm Diameter) directly under the reflectors, which are just as much Leave light there that the algae are doing photosynthesis can.

Da solche Kraftwerke im allgemeinen in sonnenreichen Ländern, besondes in Wüsten stehen, empfiehlt sich ein kostengünstiger Energietransport dadurch, daß die Sonnenstrahlenenergie erst im Empfängerland in Strom umgewandelt wird und bis dorthin z. B. als Mikrowellen oder in Lichtleitbündeln transportiert wird.Since such power plants are generally located in sunny countries, stand especially in deserts, an inexpensive is recommended Energy transport by the fact that the sun rays energy only is converted into electricity in the recipient country and up to there z. B. is transported as microwaves or in light bundles.

Claims (11)

1. Solarturmkraftwerk bei welchem über Spiegel das Sonnenlicht in Turm konzentriert wird, dadurch gekennzeichnet, daß als Reflektoren solche Materialien verwendet werden, welche das Licht diffuser und noch weitwinkliger (also schwächer) reflektieren als dies bisher herkömmliche Spiegel tun, (insbesondere Verwendung von z. B. mit Aluminium(-folie) beschichtete Trägerstoffe wie z. B. Pappkartons o.d.g., wo­ zu auch die Innenseiten gebrauchter Tetra-pack Getränke­ verpackungen gehören.1. Solar power tower in which via mirror concentrates the sunlight in the tower, characterized in that are used as reflectors, such materials used that the light diffuser and even wide angle (that is weaker) reflect than has been conventional mirrors do (in particular the use of such. B. with aluminum (foil) coated carriers such as cardboard boxes odg, where also the inside of used Tetra-pack drinks packaging. 2. Solarturmkraftwerk nach Anspruch 1, dadurch gekennzeichnet, daß, die Trägermaterialien wie z. B. Pappkartons auf der ei­ nen Seite mit z. B. Aluminium(folie) beschichtet oder beklebt sind, und auf der anderen Seite (und allgemein) mit wetter­ beständigem Kunststoffüberzug beschichtet sind; auch kann das Trägermaterial mit reflektierender Farbe (z.B silber o. weiß) u.d.g. bestrichen/behandelt werden.2. Solar tower power plant according to claim 1, characterized in that, the carrier materials such. B. cardboard boxes on the egg NEN side with z. B. aluminum (foil) coated or glued are, and on the other hand (and generally) with weather resistant plastic coating are coated; the backing material can also have a reflective color (e.g. silver or white) and the like be stroked / treated. 3. Solarturmkraftwerk nach Anspruch 1 bis 2 dadurch gekennzei­ chnet, daß einzelne Reflektionsmodule geschaffen werden, so angeordnet, daß die äußeren Paddel die geringste Reflektions­ leistung haben, während nach innen hin die Reflektionsleistung der Materialien zunimmt; wobei diese Anordnung so (z. B. Parabol­ artig) aufgebaut ist, daß das Licht erst im Zentrum auf ein stark reflektierendes Material trifft (z. B. einen kleinen Spiegel) welcher dann das gesamte Licht dieses Moduls zu dem Brennpunkt des Turms reflektiert. (Wobei die Verbindung der Einzelteile starr sein kann)3. Solar tower power plant according to claim 1 to 2 thereby chnet that individual reflection modules are created, so arranged that the outer paddle the least reflection have power while reflecting inward the materials increase; this arrangement so (e.g. Parabol well-built) is that the light on a in the center highly reflective material (e.g. a small Mirror) which then transmits the entire light of this module to the Focus of the tower reflected. (Whereby the connection of the Individual parts can be rigid) 4. Solarturmkraftwerk nach Anspruch 1 bis 3 dadurch gekennzeichnet, daß die Einzelmodule so beweglich auf einem Gerüst angeordnet werden, daß sie alle über ein System mit unreißbaren Seilen/Schnüren (oder mechanische Stangen usw.) verbunden werden, und alle gemeinsam so über einen oder wenige Zentralmotoren oder Kurbeln dem Sonnenstand entsprechend so nachgeführt werden, daß die reflektierten Strahlen zu - in der (Energieturm) Brennfläche optimal eintreffen; (wobei dieser optimale Ein­ stellwinkel z. B. über einen Lichtpunkt, welcher von einem Kontrollspiegel auf einer Fotoplatte/Sensor oder Zielkreis am Turm fixiert und entsprechend nachgestellt wird (mechanisch oder automatisch) wobei die Rückführung der Module in die Aus­ gangslage z. B. über Federn dort erfolgen kann.4. Solar tower power plant according to claim 1 to 3, characterized in that the individual modules are arranged so flexibly on a scaffold that they all have a system with unbreakable ropes / cords (or mechanical rods, etc.) are connected, and all together via one or a few central motors or Cranks are adjusted according to the position of the sun that the reflected rays are too - in the (energy tower) Arrive the burning surface optimally; (this optimal input pitch angle z. B. over a point of light from one Control mirror on a photo plate / sensor or target circle fixed to the tower and adjusted accordingly (mechanically or automatically) with the return of the modules to the off  current situation z. B. can be done over springs there. 5. Solarturmkraftwerk nach Anspruch 1 bis 4 dadurch gekenn­ zeichnet, daß
  • a) der Aufbau (z. B. Gerüst) so treppenförmig o.d.g. angeordnet ist, daß der Turm sehr niedrig und klein bleiben kann, so daß von keinem Turm mehr gesprochen werden kann, sondern nur noch von "Konzentrationspunkt" im Raum.
  • b) das Gerüst o.d.g. so angeordnet ist, daß darunter der Boden landwirtschaftlich genutzt werden kann
  • - genügend Abstand zu Boden
  • - die Reflektoren Schatten auf Boden werfen
  • - der Abstand der Standbeine Platz für Maschinen läßt
  • c) das das Gerüst über größere Drehschaufelschrauben an seinen Standbeinen verfügt so daß durch Eindrehen dieser Schrauben in den Sandboden das Gerüst verankert werden kann.
5. Solar tower power plant according to claim 1 to 4 characterized in that
  • a) the structure (eg scaffolding) is arranged in a step-like manner that the tower can remain very low and small, so that it can no longer be spoken of as a tower, but only as a "concentration point" in space.
  • b) the scaffold odg is arranged so that underneath the soil can be used for agriculture
  • - sufficient distance from the ground
  • - cast the reflectors on the ground
  • - The distance between the legs leaves room for machines
  • c) that the scaffold has larger rotary vane screws on its legs so that the scaffold can be anchored by screwing these screws into the sandy bottom.
6. Solarturmkraftwerk (auch nach Anspruch 1 bis 5) dadurch ge­ kennzeichnet, daß der Turm dem Sonnenstand optimal ent­ sprechend nachgeführt werden kann.6. solar tower power plant (also according to claim 1 to 5) thereby ge indicates that the tower optimally corresponds to the position of the sun can be tracked speaking. 7. Solarturmkraftwerk (auch nach Anspruch 1 bis 6) dadurch ge­ kennzeichnet, daß dieses auf schwimmenden "Inseln" angeordnet werden, wobei diese Inseln wie folgt hergestellt werden: (PKW - Altreifen werden ihrer Größe nach über z. B. Seile/Schnüre miteinander auf eine Ebene verbunden, und dort darauf dann versetzt eine weitere Ebene (z. B. durch Schnüre) befestigt wird und darauf eine weitere Ebene usw. fortfahrend, bis kein Wasser mehr in die oberste Ebene eindringen kann, Wasser durch Abdichten dieser erreicht wird (z. B. mit anderen Altmaterialien, welche in die Innenseite der oberen Reifen­ ebene eingebracht werden, wie Plastikabfälle usw., wobei darauf wiederum eine Dichtmasse aufgebracht wird).7. solar tower power plant (also according to claim 1 to 6) thereby ge indicates that this is arranged on floating "islands" These islands are made as follows: (Used car tires are sized according to e.g. ropes / cords connected to each other on one level, and there then another level (e.g. with cords) is attached and proceeding to another level etc. until no more water can penetrate the top level, Water is achieved by sealing it (e.g. with others Waste materials that are in the inside of the top tire level, such as plastic waste, etc., whereupon again a sealant is applied). Die gesamte Reifenoberfläche (welche ins Wasser kommt) kann beschichtet werden. The entire tire surface (which comes into the water) can be coated.   8. Solarkraftwerk dadurch gekennzeichnet, daß die Sonnenenergie gleichzeitig zur Fotosynthese bei Pflanzen und zur weiteren Nutzung der übriggebliebenen Energie (z. B. in Turmkraftwerken) genutzt wird; insbesondere dadurch erreicht, daß Pflanzen wie z. B. Algen in großflächigen "Bioreaktoren" mit geringem Durch­ messer angesiedelt sind und durch die der Sonne zugewandten Seite nur sowie Energie zu den Pflanzen durchkommt, wie die Pflanzen für die Fotosynthese brauchen und der Rest der Energie (Sonnenstrahlen) reflektiert wird oder in Strom umgewandelt wird, wobei die Reflektoren lichtteildurchlässig sind, oder gelöchert sind, was auch für eventuelle Photovoltaigzellen usw. dort gilt. Die Algen sollten hierbei in bewegtem Nährwasser sein, d. h. eine ständige Standortveränderung der Algen.8. Solar power plant characterized in that the solar energy at the same time for photosynthesis in plants and for others Use of the remaining energy (e.g. in tower power plants) is being used; achieved in particular by plants such as e.g. B. Algae in large "bioreactors" with little through knives are located and those facing the sun Side only as well as energy gets through to plants like that Plants need for photosynthesis and the rest of the energy (Sun rays) is reflected or converted into electricity, wherein the reflectors are translucent, or perforated are what also applies to any photovoltaic cells etc. there. The algae should be in agitated nutrient water, i.e. H. a constant change of location of the algae. 9. Energietransportsystem für z. B. Solarturmkraftwerke usw. dadurch gekennzeichnet, daß das transformierte Licht transportiert wird und erst beim (weit entfernten) Empfänger in Strom umgewandelt wird, auch durch folgende Anordnung:
  • a) Die Strahlenenergie (z. B. der Reflektoren oder der gleichen treffen im Turm o.d.g. ) von Licht trifft konzentriert auf eine Materie/Substanz welche durch konstruktive Anordnung elektromagnetische Wellen gleichförmiger Art emitieren (wie z. B. Laser oder Maser) oder Teilchenstrahlung
  • b) Die Strahlenenergie wird von einem Bündel Lichtleiter (z. B. Glasfaser) abgenommen; (wobei durch konisches Zulaufen der Lichtleiter eine Konzentration stattfindet)
  • c) Das Licht wird durch Linsen in einen Lichtleiter nach An­ spruch d konzentriert
  • d) Lichtleiter, der die elektromagnetischen Wellen nach An­ spruch a bis c wie folgt weiterleitet
    • 1. Durch Glasfaserbündel oder andere feste Stoffe welche eine Strahlenreflektion ähnlich wie in einer Glasfaser erreichen, wobei diese größer sind.
    • 2. Durch mit speziellem energieneutralem Gas gefüllter Röhre, wobei diese Röhre innen so spiegelnd/reflektierend beschichtet ist, daß sie die Strahlen möglichst verlust­ frei reflektiert; wobei im weiteren diese Röhre auch luftleer (Vakuum) sein kann.
  • e) Röhre nach d wobei über Energie"weichen" auf einer Strecke in diese Röhre eine weitere Röhre in flachem Winkel mündet wodurch somit weitere Energie in diese Transportleitung hinzugefügt oder abgeführt werden kann.
  • f) Nach d wobei am Ende beim Empfänger die Energiestrahlen gestreut werden (durch z. B. Glasfaserleitungen welche dann an verschiedene Orte gehen oder durch Linsen usw.)
9. Energy transport system for e.g. B. solar tower power plants, etc. characterized in that the transformed light is transported and is only converted to electricity at the (far away) receiver, also by the following arrangement:
  • a) The radiation energy (e.g. the reflectors or the like hit in the tower odg) of light concentrates on a matter / substance which constructively emit electromagnetic waves of a uniform type (e.g. laser or burl) or particle radiation
  • b) The radiation energy is taken from a bundle of light guides (e.g. glass fiber); (whereby a concentration takes place by tapering the light guide)
  • c) The light is concentrated by lenses in a light guide according to claim d
  • d) light guide that forwards the electromagnetic waves according to claim a to c as follows
    • 1. With glass fiber bundles or other solid substances which achieve radiation reflection similar to that in a glass fiber, whereby these are larger.
    • 2. By means of a tube filled with a special energy-neutral gas, the inside of this tube being coated so that it reflects the rays as freely as possible; furthermore, this tube can also be vacuum-free.
  • e) Tube to d whereby another tube opens at a flat angle over a distance into this tube via energy, so that further energy can thus be added or removed to this transport line.
  • f) After d, the energy rays are scattered at the end of the receiver (e.g. through fiber optic cables which then go to different locations or through lenses etc.)
10. Solarturmkraftwerk nach Anspruch 1 bis 9, dadurch gekennzeichnet, daß, mehrere "Türme" über einen (Wasser) Kreislauf miteinander verbunden werden, (so daß damit ein Generator genügt um von mehreren Türmen Strom zu erzeugen) und daran ein Generator angeschlossen wird.10. Solar tower power plant according to claim 1 to 9, characterized in that, several "towers" over a (water) cycle with each other are connected (so that one generator is sufficient to move from several towers) and a generator is connected.
DE4036938A 1990-11-20 1990-11-20 Solar power generator tower - has inexpensive reflectors e.g. inner surfaces of waste drink cartons for diffuse light reflection Ceased DE4036938A1 (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4216444A1 (en) * 1992-05-21 1994-05-19 Drescher Ruediger Solar-powered energy plant - using mirrors with reflection material provided by reflective foil applied to cheap lightweight backing
DE4323103A1 (en) * 1993-07-10 1995-01-19 Karin Gebhard Concentrator arrangement for increasing efficiency when using solar power
DE19702943A1 (en) * 1997-01-28 1998-08-06 Stephan Wasmann Reflection system improving economy of photovoltaic cells
WO2003038348A1 (en) * 2001-09-18 2003-05-08 Ut-Battelle, Llc Adaptive, full-spectrum solar energy system
DE102009033771A1 (en) * 2009-07-17 2011-04-07 Schünemann, Gerhard Solar reflector for installation on e.g. flat saddle or monopitch roofs of building, has reflector surface reflecting sunlight on photovoltaic panels of photovoltaic systems, where reflector surface is designed as strewing reflector surface
EP2320156A3 (en) * 2009-11-05 2012-02-08 The Boeing Company Solar array foundation and installation

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