Ministerio de Industria, Turismo y Comercio LogoMinisterior
 

Energía solar fotovoltaica

Resultados 264 resultados
LastUpdate Última actualización 30/05/2024 [07:00:00]
pdfxls
Solicitudes publicadas en los últimos 15 días / Applications published in the last 15 days
Resultados 1 a 25 de 264 nextPage  

SOLAR MODULE FIXING SYSTEM WITH DIFFERENT ANGLES

NºPublicación:  EP4375587A1 29/05/2024
Solicitante: 
RENUSOL EUROPE GMBH [DE]
Renusol Europe GmbH
EP_4375587_PA

Resumen de: EP4375587A1

Die vorliegende Erfindung betrifft ein Solarmodulbefestigungssystem (20) mit einem Grundträger (22) und einem Bügelträger (36), der mit dem Grundträger (22) lösbar verbindbar ist. Der Bereich zwischen den Grundträger-Haltewände (28) bildet einen Freiraum aus. Der Befestigungsbereich des Haltearms (50) weist einen Befestigungsfuß (38) auf, der im befestigen Zustand den Innenflächen (30) der Grundträger-Haltewände (28) zugewandte Außenflächen (44) ausbildet, die einen Abstand voneinander aufweisen, der etwa einem Abstand der Innenflächen (30) der Grundträger-Haltewände (28) voneinander entspricht. Der Befestigungsfuß (38) weist auf seinen im befestigen Zustand den Innenflächen (30) der Haltewände (40) zugewandten Außenflächen (44) jeweils eine an die Aufnahmenut (32) der Grundträger-Haltewände (28) angepasste Feder (46) auf und die Aufnahmenuten(32) und/oder die Federn (46) sind derart ausgeführt und angeordnet, dass der Befestigungsfuß (38) im eingeführten Zustand der Federn (46) in den Aufnahmenuten (32) geneigt gegenüber einer dem Untergrund (42) zugewandten Unterseite (25) der Grundplatte (24) in der Bügelträgeraufnahme (34) gehalten ist.

MODULAR PHOTOVOLTAIC SYSTEM

NºPublicación:  EP4374488A1 29/05/2024
Solicitante: 
PLANAIR SA [CH]
Planair SA
AU_2022313577_PA

Resumen de: AU2022313577A1

A modular photovoltaic system comprises flat modules with two photovoltaic panels - preferably bifacial - arranged vertically in a rectangular frame consisting of two posts and two crossbeams. One of the crossbeams supports a cable guiding device for electrically connecting an adjacent photovoltaic module. The modules also have a charging socket for electric vehicles and can be used advantageously for the construction or conversion of parking spaces for vehicles.

METHOD FOR MANUFACTURING PHOTOVOLTAIC MODULE AND PHOTOVOLTAIC MODULE

NºPublicación:  EP4376101A1 29/05/2024
Solicitante: 
JINKO SOLAR HAINING CO LTD [CN]
Jinko Solar (Haining) Co., Ltd
EP_4376101_PA

Resumen de: EP4376101A1

A method for manufacturing a photovoltaic module and a photovoltaic module are provided. The method includes: laying a front plate, a first adhesive layer on the front plate, and a plurality of cells on the first adhesive layer, and pre-curing the first adhesive layer between the front plate and the plurality of cells; forming a plurality of cell strings by connecting the plurality of cells through a plurality of solder strips after the first adhesive layer is pre-cured; and laying a second adhesive layer on the plurality of cell strings, laying a back plate on the second adhesive layer, and curing the second adhesive layer between the back plate and the plurality of cell strings, to form the photovoltaic module.

THREE-DIMENSIONAL PHOTOVOLTAIC MODULE

NºPublicación:  EP4374489A1 29/05/2024
Solicitante: 
GAUTHIER SYLVAIN [FR]
Gauthier, Sylvain
CA_3238902_A1

Resumen de: CA3238902A1

The invention relates to a three-dimensional photovoltaic module (2) comprising a three-dimensional support structure (3) having a central axis and a plurality of support elements (4) distributed around the central axis, each support element (4) comprising a vertex (5) and two support faces (6) that are substantially planar and are connected to one another along a ridge line (Lc) inclined relative to the central axis and extending to the vertex (5) of the respective support element (4) away from the central axis; and a plurality of photovoltaic coverings (7) that are attached to the three-dimensional support structure (3), each photovoltaic covering (7) being arranged on a respective support face (6) and extending substantially parallel thereto, each photovoltaic covering (7) comprising at least one photovoltaic cell and at least partially covering the respective support face (6).

WRAPPED PHOTOVOLTAIC CELL AND PHOTOVOLTAIC MODULE

NºPublicación:  EP4376096A1 29/05/2024
Solicitante: 
JIANG FEI [CN]
Jiang, Fei
EP_4376096_PA

Resumen de: EP4376096A1

The present disclosure provides a wrapped photovoltaic cell and a photovoltaic module, and relates to the technical field of photovoltaic cells and modules. The wrapped photovoltaic cell includes a unit cell module, the unit cell module includes an inner electrode, a photosensitive and charge transport layer and a transparent outer electrode, the inner electrode is connected with a first lead, the transparent outer electrode is connected with a second lead, the photosensitive and charge transport layer and the transparent outer electrode are successively wrapped outside the inner electrode, and the photovoltaic module includes the wrapped photovoltaic cell. According to the present disclosure, the wrapped structure is used, which allows surrounding light to enter the photosensitive and charge transport layer so as to realize front incidence within a large range, with high lighting efficiency and high light energy utilization rate; moreover, if the wrapped photovoltaic cell is arranged in a linear and strip-shaped structures, the wrapped photovoltaic cell can be bent and folded at will, which is convenient for laying or weaving into various shapes. Therefore, the wrapped photovoltaic cell is applicable to a variety of scenes and has a wide application range.

SOLAR CELL, SOLAR CELL MODULE, AND SOLAR CELL POWER GENERATION SYSTEM

NºPublicación:  EP4376098A1 29/05/2024
Solicitante: 
TOSHIBA KK [JP]
KABUSHIKI KAISHA TOSHIBA
EP_4376098_PA

Resumen de: EP4376098A1

According to one embodiment, a solar cell (110) includes a first electrode (10), a second electrode (20), and a power generation layer (30) provided between the first electrode and the second electrode. The first electrode includes a first region (11) and a second region (12). A direction from the first region to the second region is along a first direction from the first electrode to the second electrode. A first absorption coefficient of the first region for a first light having a wavelength of 330 nm is lower than a second absorption coefficient of the second region for the first light.

METHOD FOR MANUFACTURING A SOLAR CELL AND SOLAR CELL THEREOF

NºPublicación:  EP4376104A1 29/05/2024
Solicitante: 
ZHEJIANG JINKO SOLAR CO LTD [CN]
JINKO SOLAR CO LTD [CN]
Zhejiang Jinko Solar Co., Ltd,
JINKO SOLAR CO., LTD
EP_4376104_PA

Resumen de: EP4376104A1

Method for preparing a solar cell, wherein the method includes providing a substrate, forming a doped layer and a first passivation layer stacked sequentially in a direction away from the substrate on a first surface of the substrate, where the doped layer forms a PN junction with the substrate; forming a second passivation layer on the second surface; forming multiple first grid line electrodes arranged at intervals on the surface of the first passivation layer away from the substrate by performing a sintering process on a surface of the first passivation layer away from the substrate, and forming multiple second grid line electrodes arranged at intervals on the surface of the second passivation layer away from the substrate by performing a sintering process on a surface of the second passivation layer away from the substrate; performing a laser processing on the multiple first grid line electrodes and an adjacent region of the multiple first grid line electrodes, and applying a reverse current between the multiple first grid line electrodes and the multiple second grid line electrodes to reverse bias the PN junction in a same processing operation.The method is beneficial for improving the photoelectric conversion performance of the solar cell.

SOLAR CELL SHEET, SOLAR CELL SLICE AND PHOTOVOLTAIC ASSEMBLY

NºPublicación:  EP4376103A1 29/05/2024
Solicitante: 
LONGI SOLAR TECH TAIZHOU CO LTD [CN]
Longi Solar Technology (Taizhou) Co., Ltd
EP_4376103_PA

Resumen de: EP4376103A1

The present disclosure provides a solar cell sheet, a solar cell slice, and a photovoltaic assembly. The solar cell sheet includes: a semiconductor substrate, and a positive electrode and a negative electrode that are arranged on a shadow surface of the semiconductor substrate; the semiconductor substrate comprises a first substrate portion and a second substrate portion that are symmetrically arranged along a central line of the semiconductor substrate. In the present disclosure, the solar cell sheet is cut along the central line to obtain two slices. As the two slices respectively correspond to the first substrate portion and the second substrate portion, the extension directions of the first positive electrode portion and the second negative electrode portion coincide and can be connected to both ends of the conductive wire, respectively. The extension directions of the first negative electrode portion and the second positive electrode portion coincide, which can be connected to the both ends of another conductive wire, respectively. So, the two slices can be directly connected in series through the conductive wire after cutting, without the need to rotate one of the slices or align them, thereby simplifying the process operation steps and improving the production efficiency and yield of the photovoltaic assembly.

SOLAR CELL AND PHOTOVOLTAIC MODULE

NºPublicación:  EP4376097A1 29/05/2024
Solicitante: 
ZHEJIANG JINKO SOLAR CO LTD [CN]
Zhejiang Jinko Solar Co., Ltd
EP_4376097_PA

Resumen de: EP4376097A1

A solar cell and a photovoltaic module, including a substrate and a first electrode. The first electrode is arranged on a surface of the substrate and electrically connected to the substrate. Along a thickness direction of the substrate, the first electrode is provided with a first conductive layer, a second conductive layer, and a first transport layer. The first transport layer is located between the first conductive layer and the second conductive layer, and the first transport layer is made of a semiconductor material and configured to electrically connect the first conductive layer with the second conductive layer.

STACKED PHOTOVOLTAIC DEVICE

NºPublicación:  EP4376569A1 29/05/2024
Solicitante: 
LONGI GREEN ENERGY TECHNOLOGY CO LTD [CN]
Longi Green Energy Technology Co., Ltd
EP_4376569_PA

Resumen de: EP4376569A1

A tandem photovoltaic device is provided by the present disclosure and relates to the technical field of solar photovoltaic. The tandem photovoltaic device includes a perovskite absorbing layer, a crystalline silicon absorbing layer and a single-layer electrical function layer connected in series to the two absorbing layers; a contact interface between the perovskite absorbing layer and the single-layer electrical function layer is a first series interface; and a contact interface between the crystalline silicon absorbing layer and the single-layer electrical function layer is a second series interface; wherein a conducting type at the second series interface is different from a conducting type at the first series interface, and the difference between the work functions is ≥ -0.3eV and ≤ 0.3 eV. Since the difference of the work functions between the perovskite absorbing layer and the crystalline silicon absorbing layer of the tandem photovoltaic device at the contact interface is ≥ -0.3 eV, and ≤ 0.3 eV, the work functions of the two absorbing layers are matched, the voltage loss caused by the work function mismatch is avoided, and the intermediate series structure does not need energy band buffering and is a single layer, the carrier parasitic absorption caused by the introduction of multilayer electrical function layers may be reduced, and the transmission loss caused by interface resistance and defects reduce is reduced.

Solarmodulbefestigungssystem mit unterschiedlichen Winkeln

NºPublicación:  DE102022131179A1 29/05/2024
Solicitante: 
RENUSOL EUROPE GMBH [DE]
Renusol Europe GmbH
EP_4375587_PA

Resumen de: DE102022131179A1

Die vorliegende Erfindung betrifft ein Solarmodulbefestigungssystem (20) mit einem Grundträger (22) und einem Bügelträger (36), der mit dem Grundträger (22) lösbar verbindbar ist. Der Bereich zwischen den Grundträger-Haltewände (28) bildet einen Freiraum aus. Der Befestigungsbereich des Haltearms (50) weist einen Befestigungsfuß (38) auf, der im befestigen Zustand den Innenflächen (30) der Grundträger-Haltewände (28) zugewandte Außenflächen (44) ausbildet, die einen Abstand voneinander aufweisen, der etwa einem Abstand der Innenflächen (30) der Grundträger-Haltewände (28) voneinander entspricht. Der Befestigungsfuß (38) weist auf seinen im befestigen Zustand den Innenflächen (30) der Haltewände (40) zugewandten Außenflächen (44) jeweils eine an die Aufnahmenut (32) der Grundträger-Haltewände (28) angepasste Feder (46) auf und die Aufnahmenuten(32) und/oder die Federn (46) sind derart ausgeführt und angeordnet, dass der Befestigungsfuß (38) im eingeführten Zustand der Federn (46) in den Aufnahmenuten (32) geneigt gegenüber einer dem Untergrund (42) zugewandten Unterseite (25) der Grundplatte (24) in der Bügelträgeraufnahme (34) gehalten ist.

Verfahren und Vorrichtung zur Anpassung der Energieernteleistung und/oder der Energieerntemenge

NºPublicación:  DE102023001720A1 29/05/2024
Solicitante: 
ERDMANN CHRISTIAN MARTIN [DE]
Erdmann, Christian Martin

Resumen de: DE102023001720A1

Die Erfindung betrifft ein Verfahren und eine Vorrichtung, die die Anpassung der Energieernteleistung und/oder der Energieerntemenge ermöglichtDas Produkt variiert je nach Nutzungs- oder Verwendungszweck in, im Wesentlichen, seinen Einzelbestandteilen und/oder Komponenten und/oder Systemen und/oder Teilsystemen und/oder dem Aufbau und/oder der Größe und/oder der Form und/oder der Kombination der vorgenannten und/oder deren Strukturen und/oder Unterstrukturen und/oder in deren Aufbau-Werkstoffen und/oder deren Gefügen und/oder auch deren Stoffeigenschaften inklusive deren möglicher zeitlichen Änderungen.

Vorrichtung und Verfahren zur Steigerung der Energieernteleistung und/oder der Energieerntemenge

NºPublicación:  DE102023001727A1 29/05/2024
Solicitante: 
ERDMANN CHRISTIAN MARTIN [DE]
Erdmann, Christian Martin

Resumen de: DE102023001727A1

Die Erfindung betrifft ein Vorrichtung und ein Verfahren zur Steigerung der Energieernteleistung und/oder der Energieerntemenge.Die Vorrichtung und das Verfahren variieren je nach spezifischem Nutzungs- oder Verwendungszweck in, im Wesentlichen, ihren Einzelbestandteilen und/oder Komponenten und/oder Systemen und/oder Teilsystemen und/oder dem Aufbau und/oder der Größe und/oder der Form und/oder der Kombination der vorgenannten und können an unterschiedliche System-Anforderungen und Applikationen adaptiert werden.

FABRICATION METHODS, STRUCTURES, AND USES FOR PASSIVE RADIATIVE COOLING

NºPublicación:  EP4376102A2 29/05/2024
Solicitante: 
FAIN ROMY M [US]
Fain, Romy M
EP_4376102_PA

Resumen de: EP4376102A2

Passive radiative cooling structures and apparatus manufactured with such cooling structures conserve energy needs. A flexible film transparent to visible light incorporates particles at a volume percentage larger than 25% so as to absorb and emit infrared radiation at wavelengths where Earth's atmosphere is transparent. Another film transparent to visible light is thin and flexible and configured to absorb and emit infrared radiation at wavelengths where Earth's atmosphere is transparent, wherein etchings or depositions are present on one or both surfaces. A high efficiency cooling structure has an emissive layer sandwiched between a waveguide layer and a thermal conductive layer. A solar cell panel is covered by a transparent passive radiative cooling film. A container housing an active cooling unit incorporates passive radiative cooling structures on one or more exterior surfaces.

WATERTIGHT ANCHORING FOR SECURELY FASTENING ELEMENTS TO A BUILDING

NºPublicación:  EP4376293A2 29/05/2024
Solicitante: 
DESLOOVERE LORENZO [BE]
Desloovere, Lorenzo
EP_4376293_PA

Resumen de: EP4376293A2

Method for securely fastening elements, characterized in that the method comprises the following steps;- creating a platform by providing a bearing structure (28) which extends at a certain distance (D) above a supporting structure (7);• whereby the platform is created by performing the following steps:∘ Mounting a base or support (6) to the supporting structure (7);o covering the base or support (6) with a heat-insulating layer (17);o applying a first watertight layer (25) over the heat-insulating layer (17) and over the base or support (6);∘ fixing the bearing structure (28) to the base or support (6),;• and applying a second watertight layer (38) over parts of the bearing structure (28) and over parts of the first watertight layer (25) which are adjacent to the relevant bearing structure (28).

PERGOLA PROVIDED WITH SOLAR PLATE SUPPORT

NºPublicación:  EP4376292A1 29/05/2024
Solicitante: 
PRODUCCIONES MITJAVILA SAU [ES]
Producciones Mitjavila, S.A.U
EP_4376292_A1

Resumen de: EP4376292A1

Structure (S) pour pergola (P), qui comprend au moins deux profilés longitudinaux (L1, L2) dont la section transversale (CS) est dans le plan défini par les directions transversale (Y) et en hauteur (Z), la section transversale (CS) des profilés longitudinaux (L1, L2) étant constituée d'une section centrale (S1), une section inférieure (S2), une section supérieure (S3), puis dans laquelle la section supérieure (S3) comprend une rainure longitudinale (R3) dont l'ouverture (A3) est orientée selon la direction en hauteur (Z), la rainure longitudinale (R3) étant pourvue de bords de retenue (B3). L'invention se rapporte également à un procédé de montage de cette pergola.

THIN FILM PHOTOVOLTAIC CELL AND METHOD OF FABRICATING SAME, AND CELL PACK

NºPublicación:  EP4376100A1 29/05/2024
Solicitante: 
TRULY SEMICONDUCTORS LTD [CN]
Truly Semiconductors Ltd
EP_4376100_PA

Resumen de: EP4376100A1

The present disclosure discloses a thin film photovoltaic cell, a cell pack and a method for fabricating the thin film photovoltaic cell, a film layer structure of the thin film photovoltaic cell is arranged in sequential attachment by: a transparent substrate, a transparent electrode, a thin film photovoltaic layer, a first metal electrode layer, an insulating layer, a second metal electrode layer, and a protective layer; the thin film photovoltaic cell includes a power generation region, a positive electrode and a negative electrode, the positive electrode and the negative electrode are respectively arranged at both ends of the power generation region; a plurality of first via structure patterns are arranged in the power generation region of the thin film photovoltaic cell, and in the power generation region of the thin film photovoltaic cell, the transparent electrode is connected to the second metal electrode layer with the first via structure patterns, thereby reducing the resistance of the transparent electrode, compared to a conventional thin film photovoltaic cell structure, additional auxiliary electrode traces can be eliminated, and the positive and negative electrodes of the thin film photovoltaic cell can also normally participate in power generation by connecting the respective film layers in the positive electrode and the negative electrode to the respective film layers in the power generation region, thereby improving the effective power generation area and the

DOUBLE-SIDED TUNNELING SILICON-OXIDE PASSIVATED BACK-CONTACT SOLAR CELL AND PREPARATION METHOD THEREOF

NºPublicación:  EP4376099A2 29/05/2024
Solicitante: 
GOLDEN SOLAR QUANZHOU NEW ENERGY TECH CO LTD [CN]
Golden Solar (Quanzhou) New Energy Technology Co., Ltd
EP_4376099_PA

Resumen de: EP4376099A2

The present disclosure provides a double-sided tunneling silicon-oxide passivated back-contact solar cell and its preparation method, comprising a silicon wafer with a front surface and a back surface. On the back surface of the silicon wafer, a first semiconductor layer and a second semiconductor layer are provided, while on the front surface of the silicon wafer, a passivation layer is provided. The first semiconductor layer comprises a first tunneling silicon-oxide layer and a first doped polycrystalline silicon layer; the passivation layer comprises a second tunneling silicon-oxide layer and a second doped polycrystalline silicon layer; a thickness of the first doped polycrystalline silicon layer is 3-8 times that of the second doped polycrystalline silicon layer; the back surface of the silicon wafer is provided with a first phosphorus-doped diffusion region, and the front surface of the silicon wafer, which is a textured surface, is provided with a second phosphorus-doped diffusion region; a ratio of the depth of the first phosphorus-doped diffusion region to the depth of the second phosphorus-doped diffusion region ranges from 1-6: 1.

FLEXIBLE COVER PLATE AND FLEXIBLE DISPLAY APPARATUS

NºPublicación:  EP4376052A1 29/05/2024
Solicitante: 
WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECH CO LTD [CN]
Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd
EP_4376052_PA

Resumen de: EP4376052A1

The present application provides a flexible cover plate and a flexible display device. The flexible cover plate includes a bending region, a non-bending region, and a transition region. The transition region is connected to the non-bending region and the bending region. The flexible cover plate further includes: a substrate layer; and a hardened layer formed on the substrate layer. A thickness of a portion of the hardened layer in the bending region is less than a thickness of a portion of the hardened layer in the non-bending region. A thickness of a portion of the substrate layer in the bending region is greater than a thickness of a portion of the substrate layer in the non-bending region. The flexible cover plate of the present application can simultaneously have high strength and high bending capability.

DOPED REGION STRUCTURE AND SOLAR CELL COMPRISING THE SAME, CELL ASSEMBLY, AND PHOTOVOLTAIC SYSTEM

NºPublicación:  EP4374430A2 29/05/2024
Solicitante: 
SOLARLAB AIKO EUROPE GMBH [DE]
Solarlab Aiko Europe GmbH
CA_3234185_A1

Resumen de: CA3234185A1

The disclosure relates to the technical field of solar cells, and provides a solar cell and a doped region structure thereof, a cell assembly, and a photovoltaic system. The doped region structure includes a first doped layer, a passivation layer, and a second doped layer that are disposed on a silicon substrate in sequence. The passivation layer is a porous structure having the first doped layer and/or the second doped layer inlaid in a hole region. The first doped layer and the second doped layer have a same doping polarity. By means of the doped region structure of the solar cell provided in the disclosure, the difficulty in production and the limitation on conversion efficiency as a result of precise requirements for the accuracy of a thickness of a conventional tunneling layer are resolved.

SUPPLYING AC ELECTRICITY FROM A PHOTOVOLTAIC SYSTEM WITHOUT AN ELECTRONIC POWER INVERTER

NºPublicación:  EP4374062A1 29/05/2024
Solicitante: 
TRANE INT INC [US]
Trane International Inc
US_2023104219_PA

Resumen de: US2023104219A1

A method is provided for supplying alternating current (AC) electricity. The method includes receiving direct current (DC) electricity from a source of electric power at a motorized pump, and converting the DC electricity from the source of electric power to AC electricity. This includes converting the DC electricity to first motive power at the motorized pump to move water from a source location to at least one supply location. The water is supplied from the at least one supply location to a turbine, and kinetic energy of the water is converted to second motive power at the turbine. The second motive power is converted to the AC electricity at an electric generator that is connected to the turbine, and the AC electricity is supplied from the electric generator.

SOLAR PANEL WINDOW SHADE DEVICE AND SYSTEM

NºPublicación:  EP4374490A1 29/05/2024
Solicitante: 
VISIONARY ENTPR LLC [US]
Visionary Enterprises LLC
WO_2023003828_PA

Resumen de: WO2023003828A1

A solar panel shade system includes a shade tube, a solar panel shade coupled to the shade tube comprising a solar panel film material, a motor coupled to the shade tube to cause the shade tube to rotate to retract or deploy the solar panel shade, and a processing circuit. The processing circuit includes a processor configured to control operation of the motor and a memory storing instructions for the operation of the motor. In an exemplary embodiment, the window shade is used to harvest solar energy to be used for providing power to a building, and is configured to maximize solar utilization while maintaining an inhabitant's view out the window as much as possible.

METHOD FOR PRODUCING METAL HALIDE PEROVSKITE NANOCRYSTAL LAYERS, NANOMETRIC-FILM NANOCOMPOSITE FORMED BY PEROVSKITE NANOCRYSTALS, METAL HALIDE PEROVSKITE NANOCRYSTAL LAYERS, AND USES OF SAID LAYERS

NºPublicación:  EP4375237A1 29/05/2024
Solicitante: 
UNIV VALENCIA [ES]
Universitat de Val\u00E8ncia
EP_4375237_PA

Resumen de: EP4375237A1

The present invention provides a method for producing metal halide perovskite nanocrystal layers. The method comprises: preparing a first solution from an organic salt of a first multivalent metal in a first solvent; preparing a second solution comprising a halide of a monovalent cation, a halide of a second bi-, tri-or tetravalent metal, in a second solvent; mixing the first solution with the second solution; and depositing the mixture of the first and second solutions on a substrate. The first multivalent metal is a transition or alkaline earth element, and the second bivalent metal is tin and/or lead, or the trivalent metal is bismuth or antimony, or the tetravalent metal is tin. The invention also relates to a nanocomposite and to the uses of halide perovskite nanocrystal layers, particularly for photovoltaic applications, for optoelectronic applications, as sensors, etc.

INVERTER AND ALTERNATING CURRENT FAULT IDENTIFICATION METHOD FOR PHOTOVOLTAIC SYSTEM

NºPublicación:  EP4376294A1 29/05/2024
Solicitante: 
SUNGROW POWER SUPPLY CO LTD [CN]
Sungrow Power Supply Co., Ltd
EP_4376294_PA

Resumen de: EP4376294A1

The present application provides an inverter and an alternating current fault identification method for a photovoltaic system. The method comprises: a controller performs waveform recording on the preset parameters of the photovoltaic system, and then uploads the recorded waveforms to an external device; and the external device having a high data storage capability and a high processing capability can store and subsequently process these waveforms, so as to accurately identify the fault of the alternating current side of an inverter. Moreover, an operator can see a fine waveform from the external device, so that the accuracy of system monitoring is greatly improved. Moreover, the external device makes full use of the advantages of storage capacity, big data, and computing power, analyzes the waveforms, and generates a control instruction to adjust the operation of the inverter, and thus, the control is more accurate. In addition, better system performance can be obtained by cooperating with local real-time and rapid control.

METHOD FOR ESTIMATING A BREAKDOWN VOLTAGE OF A PHOTOVOLTAIC CELL

Nº publicación: EP4376296A1 29/05/2024

Solicitante:

COMMISSARIAT ENERGIE ATOMIQUE [FR]
CENTRE NAT RECH SCIENT [FR]
UNIV SAVOIE MONT BLANC [FR]
Commissariat \u00E0 l'\u00E9nergie atomique et aux \u00E9nergies alternatives,
Centre National de la Recherche Scientifique,
Universit\u00E9 Savoie Mont Blanc

EP_4376296_PA

Resumen de: EP4376296A1

The invention concerns a method (70) for estimating a breakdown voltage of a single photovoltaic cell, comprising:- a first acquisition step (72) of measurement(s) of a circuit wherein all photovoltaic cells are unshaded, said step comprising at least obtaining (76) a measurement of the open circuit voltage of said circuit;- a second acquisition step (78) of measurement(s) of said circuit wherein a single photovoltaic cell is shaded, said step comprising at least obtaining (82) a measurement of the open circuit voltage of said circuit;- determining (84) an estimation of the breakdown voltage of said single shaded photovoltaic cell as function of:- the open circuit voltage of said circuit wherein all photovoltaic cells are unshaded;- the open circuit voltage of said circuit wherein said single photovoltaic cell is shaded;- the number of photovoltaic cells.

traducir