WO2011054017A2 - Concentrating transducer of solar energy (variants) - Google Patents

Concentrating transducer of solar energy (variants) Download PDF

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Publication number
WO2011054017A2
WO2011054017A2 PCT/AM2010/000004 AM2010000004W WO2011054017A2 WO 2011054017 A2 WO2011054017 A2 WO 2011054017A2 AM 2010000004 W AM2010000004 W AM 2010000004W WO 2011054017 A2 WO2011054017 A2 WO 2011054017A2
Authority
WO
WIPO (PCT)
Prior art keywords
mirrors
transducers
allocated
concentrating
solar energy
Prior art date
Application number
PCT/AM2010/000004
Other languages
French (fr)
Other versions
WO2011054017A3 (en
Inventor
Ruben Vardanyan
Original Assignee
Gasparyan, Karen
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
Application filed by Gasparyan, Karen filed Critical Gasparyan, Karen
Publication of WO2011054017A2 publication Critical patent/WO2011054017A2/en
Publication of WO2011054017A3 publication Critical patent/WO2011054017A3/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
    • H01L31/0547—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the reflecting type, e.g. parabolic mirrors, concentrators using total internal reflection
    • 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
    • F24S23/71—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with parabolic reflective surfaces
    • 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
    • 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
    • F24S23/77—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with flat reflective plates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/052—Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/052—Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells
    • H01L31/0521—Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells using a gaseous or a liquid coolant, e.g. air flow ventilation, water circulation
    • 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
    • F24S2023/87—Reflectors layout
    • F24S2023/874—Reflectors formed by assemblies of adjacent similar reflective facets
    • 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
    • Y02E10/52—PV systems with concentrators

Definitions

  • the present invention is related to concentrating transducer systems of solar energy and can be used for transducing solar energy into electrical and/or thermal energy.
  • a solar energy reflecting parabolic linear focus concentrating photovoltaic and thermal transducer is known in the prior art, wherein the sun rays, reflecting from the parabolic mirror surface, concentrate in the focus on the semiconductor photovoltaic transducers, which are allocated along the line. Electrical energy is generated via the aforementioned semiconductor photovoltaic transducers, and the thermal energy, generated in the transducers, is transferred to the pipe fixed to the latter and to the heating water flowing through the pipe (Ikryannikov N. P., Sviridov K. N., Shadrin V. I. Avtonomnie solnechnie ustanovki s kontsentratorami solnechnogo izlucheniya. GNT GUP « ⁇ Astrofizika», journal «Integral» # 2 (22) March-April 2005).
  • Such photovoltaic transducers have a comparatively high cost which is conditioned by the complexity of making parabolic mirrors. In addition, they are unstable to the environmental effects.
  • the nearest analogue to the present invention as to the technical essence is the solar energy photovoltaic mirror reflecting concentrators, wherein the sun rays are reflected from the flat mirrors, allocated on a common flat surface and inclined at different angles, so that the sun rays concentrate in the focus on the semiconductor photovoltaic transducers, which are placed along the single line on the heat sink, and electrical energy is generated via the aforementioned semiconductor photovoltaic transducers (B. Abdel Mesih, et al. Loss of optical quality of a photovoltaic thermal concentrator device at different tracking positions. Proceedings of 4 th International Conference on Solar Concentrators for the Generation of Electricity or Hydrogen. San Lorenzo del Escorial, Spain, 12-16 March, 2007 pp. 173 - 176).
  • the focus distance is made longer so as to decrease the incidence angles of the rays falling on the semiconductor photovoltaic transducers from the marginal mirrors, i.e. to increase the device efficiency, as a result of which the device overall dimensions, material consumption and consequently cost increase.
  • the object of the present invention is to increase the operation efficiency of the concentrating transducer of solar energy and to decrease the transducer cost.
  • the essence of the present invention is a device, comprising concentrating flat mirrors, which are symmetrically fixed to the right and left sides relative to the central axis on the flat surface and inclined at different angles, semiconductor transducers, which are allocated in the focus along the line on the heat sink via stands, characterized by that the semiconductor photovoltaic transducers are allocated symmetrically from the right and left sides relative to the central axis and in case of the odd number of mirrors the transducers are allocated so that the surfaces of the right-side and left-side transducers are accordingly perpendicular to the sun rays reflecting from the right-side and left-side central mirrors and in case of the even number of mirrors the transducers are allocated so that the surfaces of the right-side and left-side transducers are accordingly perpendicular to the angle bisector which is formed by the rays reflecting from the right-side and left-side two central mirrors, and the concentrating marginal mirrors are allocated without any gap and form a parabolic surface.
  • FIG. 1 shows the device from one projection in case of the odd number of concentrating mirrors
  • FIG. 2 shows the device from one projection in case of the even number of concentrating mirrors.
  • the device comprises concentrating flat mirrors (2), which are symmetrically fixed to the right and left sides relative to the central axis (1) and inclined at different angles and via which the sun rays (3) concentrate in the focus on the semiconductor photovoltaic transducers (5), which are allocated along the line on the right and left sides of the heat sink (4).
  • the semiconductor photovoltaic transducers (5) are positioned so that the surfaces of the right-side and left-side transducers are consequently perpendicular to the sun rays (3) reflecting from the right-side and left-side central mirrors.
  • the semiconductor photovoltaic transducers (5) are positioned so that the surfaces of the right-side and left-side transducers are consequently perpendicular to the angle bisector which is formed by the sun rays (3) reflecting from the right-side and left-side two central mirrors.
  • the mirrors (2) which are near the central axis (1) and are symmetrically fixed to the right and left sides relative to it, are positioned at different angles on the flat surface, and the margin mirrors far from the axis are positioned without any gap and form a parabolic surface.
  • the device heat sink (4) may be either "passive” or “active". In case of applying the "passive” heat sink, thermal energy is transferred to the environment via natural convection. In case of applying the "active” heat sink, thermal energy is transferred to the heat carrier (liquid or gas) flowing through the pipe for further use, as the drawings show.
  • the device may also comprise only a heat sink (4) without the application of semiconductor photovoltaic transducers (5). In this case the device will generate only thermal energy.
  • the right-side and left-side parts of the device which are symmetrical relative to the central axis, may also be made and applied separately or may be fixed to each other so that the device central axis (1) coincides with the marginal point of the parabolic surface formed by marginal mirrors.
  • the sun rays concentrate in the focus on the surface of the semiconductor photovoltaic transducers, which are allocated along the line on the right and left sides on the heat sink, via central mirrors positioned on the flat surface and marginal mirrors positioned on the parabolic surface.
  • electrical energy is generated via semiconductor photovoltaic transducers and the water flowing through the heat sink is heated and thermal energy is generated.
  • the present concentrating transducer of solar energy makes it possible to increase the device operation efficiency as the stands (constructive parts, bars), which hold the semiconductor photovoltaic transducers together with the heat sink, do not shade the sun rays.
  • the central axis height i.e. the device focus distance becomes shorter, it becomes possible to increase the number of photovoltaic transducers, which are connected in series, as a result of which the device length, material consumption and consequently cost decrease.
  • the marginal mirrors in the present device are fixed so that they form a parabolic surface without any gap between the mirrors. Due to it the device width, material consumption and consequently cost decrease.

Abstract

The present invention is related to concentrating transducer systems of solar energy and can be used for transducing solar energy into electrical and/or thermal energy. The transducer comprises semiconductor photovoltaic transducers which are allocated on the heat sink in the linear focus and directed towards the mirrors in a special way. The mirrors near the centre are positioned on a flat surface and the marginal mirrors far from the centre are positioned without any gap and form a parabolic surface. The operation efficiency of the concentrating transducer of solar energy is increased and the transducer cost is decreased.

Description

Concentrating Transducer of Solar Energy
(Variants)
Technical Field
The present invention is related to concentrating transducer systems of solar energy and can be used for transducing solar energy into electrical and/or thermal energy.
Background Art
A solar energy reflecting parabolic linear focus concentrating photovoltaic and thermal transducer is known in the prior art, wherein the sun rays, reflecting from the parabolic mirror surface, concentrate in the focus on the semiconductor photovoltaic transducers, which are allocated along the line. Electrical energy is generated via the aforementioned semiconductor photovoltaic transducers, and the thermal energy, generated in the transducers, is transferred to the pipe fixed to the latter and to the heating water flowing through the pipe (Ikryannikov N. P., Sviridov K. N., Shadrin V. I. Avtonomnie solnechnie ustanovki s kontsentratorami solnechnogo izlucheniya. GNT GUP «ΝΡΟ Astrofizika», journal «Integral» # 2 (22) March-April 2005).
Such photovoltaic transducers have a comparatively high cost which is conditioned by the complexity of making parabolic mirrors. In addition, they are unstable to the environmental effects.
The nearest analogue to the present invention as to the technical essence is the solar energy photovoltaic mirror reflecting concentrators, wherein the sun rays are reflected from the flat mirrors, allocated on a common flat surface and inclined at different angles, so that the sun rays concentrate in the focus on the semiconductor photovoltaic transducers, which are placed along the single line on the heat sink, and electrical energy is generated via the aforementioned semiconductor photovoltaic transducers (B. Abdel Mesih, et al. Loss of optical quality of a photovoltaic thermal concentrator device at different tracking positions. Proceedings of 4th International Conference on Solar Concentrators for the Generation of Electricity or Hydrogen. San Lorenzo del Escorial, Spain, 12-16 March, 2007 pp. 173 - 176).
Such transducers are comparatively more protected from environmental effects. Nevertheless, they have the following disadvantages:
1. The constructional parts (bars) holding the semiconductor photovoltaic transducers, which are allocated along the line in the focus, shade the sun rays, as a result of which the device operation efficiency decreases. 2. The focus distance is made longer so as to decrease the incidence angles of the rays falling on the semiconductor photovoltaic transducers from the marginal mirrors, i.e. to increase the device efficiency, as a result of which the device overall dimensions, material consumption and consequently cost increase.
3. The number (32-40) of photovoltaic transducers, which are connected in series, is increased for getting the necessary output voltages (16-20V), as each of the semiconductor photovoltaic transducers provides, as a rule, approximately 0,5V. As a result of this the device length, material consumption and consequently cost increase.
4. To prevent the mutual shading, the distances between the marginal mirrors are made long, but as a result of this the device overall dimensions, material consumption and consequently cost increase too.
Disclosure of the Invention
The object of the present invention is to increase the operation efficiency of the concentrating transducer of solar energy and to decrease the transducer cost.
The essence of the present invention is a device, comprising concentrating flat mirrors, which are symmetrically fixed to the right and left sides relative to the central axis on the flat surface and inclined at different angles, semiconductor transducers, which are allocated in the focus along the line on the heat sink via stands, characterized by that the semiconductor photovoltaic transducers are allocated symmetrically from the right and left sides relative to the central axis and in case of the odd number of mirrors the transducers are allocated so that the surfaces of the right-side and left-side transducers are accordingly perpendicular to the sun rays reflecting from the right-side and left-side central mirrors and in case of the even number of mirrors the transducers are allocated so that the surfaces of the right-side and left-side transducers are accordingly perpendicular to the angle bisector which is formed by the rays reflecting from the right-side and left-side two central mirrors, and the concentrating marginal mirrors are allocated without any gap and form a parabolic surface. Brief description of the drawings
The annexed drawings, which are incorporated in and form part of the specifications, illustrate the preferred embodiments of the present invention, and together with the descriptions serve to explain the structure, operation and essence of the invention. FIG. 1 shows the device from one projection in case of the odd number of concentrating mirrors, and FIG. 2 shows the device from one projection in case of the even number of concentrating mirrors. Implementation of invention
The device comprises concentrating flat mirrors (2), which are symmetrically fixed to the right and left sides relative to the central axis (1) and inclined at different angles and via which the sun rays (3) concentrate in the focus on the semiconductor photovoltaic transducers (5), which are allocated along the line on the right and left sides of the heat sink (4).
In case of the odd number (FIG. 1) of mirrors (2), which are symmetrically fixed to the right and left sides relative to the central axis (1), the semiconductor photovoltaic transducers (5) are positioned so that the surfaces of the right-side and left-side transducers are consequently perpendicular to the sun rays (3) reflecting from the right-side and left-side central mirrors.
In case of the even number (FIG. 2) of mirrors (2), which are symmetrically fixed to the right and left sides relative to the central axis (1), the semiconductor photovoltaic transducers (5) are positioned so that the surfaces of the right-side and left-side transducers are consequently perpendicular to the angle bisector which is formed by the sun rays (3) reflecting from the right-side and left-side two central mirrors.
The mirrors (2) which are near the central axis (1) and are symmetrically fixed to the right and left sides relative to it, are positioned at different angles on the flat surface, and the margin mirrors far from the axis are positioned without any gap and form a parabolic surface.
The device heat sink (4) may be either "passive" or "active". In case of applying the "passive" heat sink, thermal energy is transferred to the environment via natural convection. In case of applying the "active" heat sink, thermal energy is transferred to the heat carrier (liquid or gas) flowing through the pipe for further use, as the drawings show. The device may also comprise only a heat sink (4) without the application of semiconductor photovoltaic transducers (5). In this case the device will generate only thermal energy.
The right-side and left-side parts of the device, which are symmetrical relative to the central axis, may also be made and applied separately or may be fixed to each other so that the device central axis (1) coincides with the marginal point of the parabolic surface formed by marginal mirrors.
The device operation principle
The sun rays concentrate in the focus on the surface of the semiconductor photovoltaic transducers, which are allocated along the line on the right and left sides on the heat sink, via central mirrors positioned on the flat surface and marginal mirrors positioned on the parabolic surface. As a result, electrical energy is generated via semiconductor photovoltaic transducers and the water flowing through the heat sink is heated and thermal energy is generated.
The present concentrating transducer of solar energy makes it possible to increase the device operation efficiency as the stands (constructive parts, bars), which hold the semiconductor photovoltaic transducers together with the heat sink, do not shade the sun rays.
In addition, in case of allocating the semiconductor photovoltaic transducers in two rows and directing towards the mirrors by the aforementioned way, the central axis height, i.e. the device focus distance becomes shorter, it becomes possible to increase the number of photovoltaic transducers, which are connected in series, as a result of which the device length, material consumption and consequently cost decrease.
As opposed to the solar energy transducer nearest to the present device as to the technical essence, wherein the distances between the marginal mirrors are made long so as to prevent mutual shading, the marginal mirrors in the present device are fixed so that they form a parabolic surface without any gap between the mirrors. Due to it the device width, material consumption and consequently cost decrease.

Claims

Claims
1. A concentrating transducer of solar energy comprising concentrating flat mirrors which are symmetrically fixed to the right and left sides relative to the central axis on the flat surface and are inclined at different angles, semiconductor transducers, which are allocated in the focus along the line on the heat sink by means of stands, characterized by that the semiconductor photovoltaic transducers are symmetrically fixed to the right and left sides relative to the central axis and in case of the odd number of mirrors the transducers are allocated so that the surfaces of the right-side and left-side transducers are accordingly perpendicular to the sun rays reflecting from the right-side and left-side central mirrors and the marginal mirrors are allocated without any gap and form a parabolic surface.
2. A concentrating transducer of solar energy comprising concentrating flat mirrors which are symmetrically fixed to the right and left sides relative to the central axis on the flat surface and are inclined at different angles, semiconductor transducers, which are allocated in the focus along the line on the heat sink by means of stands, characterized by that the semiconductor photovoltaic transducers are symmetrically fixed to the right and left sides relative to the central axis and in case of the even number of mirrors the transducers are allocated so that the surfaces of the right-side and left-side transducers are accordingly perpendicular to the angle bisector which is formed by the rays reflecting from the right-side and left-side two central mirrors, and the marginal mirrors are allocated without any gap and form a parabolic surface.
PCT/AM2010/000004 2009-11-04 2010-11-02 Concentrating transducer of solar energy (variants) WO2011054017A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AM20090130 2009-11-04
AMAM20090130 2009-11-04

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WO2011054017A2 true WO2011054017A2 (en) 2011-05-12
WO2011054017A3 WO2011054017A3 (en) 2011-10-27

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014106478A1 (en) * 2013-01-06 2014-07-10 北京兆阳光热技术有限公司 Solar linear concentrating device and system control method
WO2014163066A1 (en) * 2013-04-01 2014-10-09 株式会社クリスタルシステム Trough-type solar energy power generation device
CN111473526A (en) * 2020-04-14 2020-07-31 骊阳(广东)节能科技股份有限公司 Parabolic trough type solar heat collector

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CN105758011B (en) * 2016-04-30 2018-05-15 华南理工大学 A kind of more tube solar cavity type heat dumps of dual paraboloid and its method of work

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DE102008021730A1 (en) * 2007-05-01 2008-11-06 Samland und Aatz GbR (vertretungsberechtigte Gesellschafter: Thomas Samland, 78166 Donaueschingen, Bernd Aatz, 79244 Münstertal) Solar system for converting solar electromagnetic radiation energy into electrical energy, has absorber arranged parallel to rotation axes of reflectors in center of module, and solar cells arranged in rows
SE531566C2 (en) * 2007-10-01 2009-05-19 Global Sun Engineering Sweden A solar concentrator
DE102007052338A1 (en) * 2007-11-02 2009-05-07 Rev Renewable Energy Ventures, Inc. Photovoltaic installation has multiple level mirrors for concentration of sunlight on concentrator module with photovoltaic element, where mirrors are aligned together in form of Fresnel mirror field in parallel manner
ES2352714B1 (en) * 2008-04-10 2012-01-24 Universitat De Lleida SOLAR ENERGY GENERATION DEVICE.

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Title
B. ABDEL MESIH ET AL.: "Loss of optical quality of a photovoltaic thermal concentrator device at different tracking positions", PROCEEDINGS OF 4TH INTERNATIONAL CONFERENCE ON SOLAR CONCENTRATORS FOR THE GENERATION OF ELECTRICITY OR HYDROGEN, pages 173 - 176

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014106478A1 (en) * 2013-01-06 2014-07-10 北京兆阳光热技术有限公司 Solar linear concentrating device and system control method
WO2014163066A1 (en) * 2013-04-01 2014-10-09 株式会社クリスタルシステム Trough-type solar energy power generation device
CN111473526A (en) * 2020-04-14 2020-07-31 骊阳(广东)节能科技股份有限公司 Parabolic trough type solar heat collector

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