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201
resultados
Última actualización
06/07/2025 [07:01:00]
Resultados 75 a 100 de 201
Resumen de: CN119631601A
Solar cell stacks are described in which a fullerene-based transport layer is blended with a metal halide, such as LiF, CsF or MgF2. In particular, perovskite solar cell stacks are described in which the electron transport layer comprises a metal halide and fullerene blend.
Resumen de: EP4578863A1
This application provides an organic compound. The organic compound has a structural formulawhere at least one of a ring A, ring A-Y, a ring B, ring B-Z, and R has a structureThis application further provides a method for preparing the organic compound and use thereof. The organic compound is used in an organic device. The device using the organic compound has high light-emitting efficiency, a narrow FWHM on a luminescence spectrum, a long service life, and the like.
Resumen de: EP4580044A1
The present application provides a photovoltaic array test method and system, the method being applied to a photovoltaic array test system. The photovoltaic array test method comprises: obtaining the quantity of photovoltaic branches connected in a photovoltaic array; determining a reference electrical parameter according to the quantity of the photovoltaic branches and electrical parameters of the photovoltaic branches; if the photovoltaic array is electrically connected to the photovoltaic array test system, monitoring a test electrical parameter of the photovoltaic array; and determining a test result of the photovoltaic array according to the test electrical parameter and the reference electrical parameter.
Resumen de: EP4579984A1
A photovoltaic power supply system and a voltage control method therefor, a controller, and a storage medium. The photovoltaic power supply system comprises an inverter (400) and at least one photovoltaic input device (200); each photovoltaic input device (200) comprises a photovoltaic cell (210) and a direct-current converter (220); the photovoltaic cells (210) are connected to a power supply grid by means of the direct-current converters (220), a bus (300), and the inverter (400) in sequence. The voltage control method comprises: acquiring a grid voltage of a power supply grid and a target power tracking voltage of all photovoltaic cells (S100); determining a target given voltage of a bus according to the grid voltage and the target power tracking voltage (S200); and controlling the working state of direct-current converters according to the target given voltage (S300). The system can reduce converter losses, thereby improving system efficiency, and the system can operate in a required steady state under different conditions.
Resumen de: EP4580030A1
This application provides a photovoltaic inverter and a control method thereof. The photovoltaic inverter is applicable to a power supply system. The photovoltaic inverter includes a conversion circuit, a collection circuit, and a controller. The collection circuit is configured to obtain a positive direct current bus voltage and a negative direct current bus voltage of the conversion circuit. The controller is configured to: generate an even-order harmonic voltage regulation signal based on the positive direct current bus voltage and the negative direct current bus voltage of the conversion circuit and a phase of an output voltage of the photovoltaic inverter, generate a drive control signal based on the even-order harmonic voltage regulation signal, and control a switching transistor in the conversion circuit to be turned on or off, to control the conversion circuit to output a target voltage and reduce a difference between the positive direct current bus voltage and the negative direct current bus voltage of the conversion circuit. According to this application, turn-on or turn-off of the switching transistor in the conversion circuit can be adjusted, to improve stability of a voltage at a neutral point of the conversion circuit. In this way, a structure is simple, a method is easy, and applicability is high.
Resumen de: EP4580041A1
Provided is a laminated body that includes an installation surface and a back sheet constituting a bottom section of a solar power generation device and in which a gap is unlikely to occur between the installation surface and the back sheet. A laminated body 1 of the present invention includes an installation surface 3, an elastic body 4, and a back sheet 6 constituting a bottom section of a solar power generation device 5. The elastic body 4 is fixed in a state placed on the installation surface 3. The back sheet 6 is fixed in a state placed on an upper surface of the elastic body 4.
Resumen de: EP4580355A1
A photovoltaic cell (4) comprising at least one photovoltaic absorber layer (1) based on lead halide perovskite comprising, in turn, a lead halide perovskite layer (2) and a protection edge (3) arranged so as to peripherally at least partially surround the lead halide perovskite layer (2) and consisting of a material having at 25°C a solubility in water that is equal to or smaller than 5*10-4 mol/kg. The protection material is exclusively present in the protection edge (3).
Resumen de: EP4579981A1
This application discloses a photovoltaic power supply system and a backup box. The photovoltaic power supply system includes a photovoltaic system and a backup box. A grid-connected/off-grid switch in the backup box includes a main contact and an auxiliary contact. The main contact and the auxiliary contact are linked, and the auxiliary contact operates in conjunction with a detection circuit in an inverter in the photovoltaic system, so that the inverter can detect a grid-connected/off state of the grid-connected/off-grid switch in the backup box before the backup box operates. Through a communication circuit in the backup box, the inverter and the backup box may further perform information transfer. These functions are implemented by an ingenious circuit design and a potential change at a potential detection point.
Resumen de: EP4580018A2
An inverter, a control method of the inverter, and a power system are provided. The inverter includes a DC bus, an inversion circuit, a controller, and multiple boost circuits. An input terminal of each boost circuit is configured to connect to a corresponding photovoltaic unit, output terminals of the boost circuits are connected in parallel and connected to the DC bus, and the inversion circuit is configured to convert DC power outputted by the DC bus into AC power. The controller is configured to: determine, during an operation stage of the inverter, a to-be-adjusted boost circuit from the boost circuits, in response to determining that there is a loss boost circuit in a preset loss condition among the boost circuits; and adjust the to-be-adjusted boost circuit while ensuring that a change threshold for a total power output of the boost circuits is less than a preset adjustment threshold.
Resumen de: EP4580043A1
Systems, apparatuses, and methods are described for determining the location of a PV module. A computing device may determine the location of the PV module using a shading device with GPS circuitry. The shading device may be used to create a shadow by blocking light to at least a part of the PV module. This may result in a decrease in power of the PV module. The computing device may correlate the decrease in power with the location of the shading device to determine the location of the PV module.
Resumen de: EP4579765A1
A curved photovoltaic member (100) includes a solar cell (50), a front plate (10), a conductive layer (60), and a back plate (90). The front plate (10) is located at a side of the solar cell (50) where a light receiving surface (51) is located. The conductive layer (60) is electrically connected to the solar cell (50) and is located at a side of the solar cell (50) where a back surface (53) is located. The back plate (90) is located at a side of the conductive layer (60) away from the solar cell (50).
Resumen de: EP4580046A1
A method for detecting arcing, an inverter (100) and a photovoltaic (31) system are provided. The inverter (100) includes an inverter circuit (10) and DC/DC conversion circuits (20). The method includes: stopping outputting a control signal to a first DC/DC conversion circuit that is currently being suspected of having an electric arc and operating other DC/DC conversion circuits connected to the inverter circuit normally (S3015); decreasing a voltage at a power supply side of the first DC/DC conversion circuit immediately after a first preset period of time elapsed (S302); and determining that no arc fault occurs, and restoring the voltage at the power supply side of the first DC/DC conversion circuit to a first voltage that the first DC/DC conversion circuit receives before the stopping outputting the control signal, if a current at the power supply side is greater than or equal to a first preset current during the decreasing the voltage (S303).
Resumen de: EP4579766A1
A photoelectric conversion apparatus includes: a photoelectric conversion element which converts light energy of incident light into electric energy; a first wavelength conversion layer which is disposed in contact with a light receiving surface of the photoelectric conversion element; and a second wavelength conversion layer which is disposed on a side of a surface of the first wavelength conversion layer opposite to a surface in contact with the photoelectric conversion element. The first wavelength conversion layer contains a first wavelength conversion material which converts a wavelength of light in a first wavelength region. The second wavelength conversion layer contains a second wavelength conversion material which converts a wavelength of light in a second wavelength region. An upper limit value of the first wavelength region is different from an upper limit value of the second wavelength region, and/or a lower limit value of the first wavelength region is different from a lower limit value of the second wavelength region.
Resumen de: PL447344A1
Urządzenie minimalizujące czasy wyłączeń 1-fazowych systemów instalacji fotowoltaicznych małej mocy, charakteryzuje się tym, że ma postać modułu pomiarowo-sterującego (1) składającego się z podzespołu elektronicznego do pomiaru napięcia (2) oraz podzespołu elektronicznego do pomiaru prądu fazowego (3), a także mikrokontrolera 32-bitowego z dwoma niezależnymi rdzeniami (4) połączonymi z modułem komunikacyjnym (5), przy czym główne podzespoły (2, 3, 4, 5) są zasilane napięciem stałym z zasilacza impulsowego typu AC/DC (6) w obudowie kompaktowej do druku PCB o niskim poziomie szumów i tętnień oraz zakłóceń.
Resumen de: PL447345A1
Urządzenie minimalizujące czasy wyłączeń 1-fazowych systemów instalacji fotowoltaicznych małej mocy, charakteryzuje się tym, że ma postać modułu pomiarowo-sterującego (1) składającego się z podzespołu elektronicznego do pomiaru napięcia (2) oraz podzespołu elektronicznego do pomiaru prądu fazowego (3), a także mikrokontrolera 32-bitowego z dwoma niezależnymi rdzeniami (4), z których jeden rdzeń realizuje programowy algorytm filtracji cyfrowej i korekcji fazy strumienia danych pomiarowych napięcia i prądu z przetworników AC, wyznaczania kierunku przepływu prądu i sterowania modułem wykonawczym, a drugi rdzeń opowiada za zapis danych pomiarowych do pamięci nieulotnej i wymianę danych z modułem komunikacji bezprzewodowej zintegrowanego z bezprzewodowym modułem komunikacyjnym (5).
Resumen de: CH721469A1
L'invention concerne un module photovoltaïque comprenant un ensemble (40) d'éléments fixes, un corps rigide (20) connecté à l'ensemble (40) d'éléments fixes de façon à pouvoir penduler autour d'un axe d'oscillation (120) horizontal, un ou plusieurs panneaux photovoltaïques bifaciaux (30) fixés sur le corps rigide (20) en sorte que, en l'absence de forces externes, le corps rigide (20) assume une position d'équilibre. Le corps rigide (20) peut s'écarter de la position d'équilibre par l'effet du vent pour réduire la prise au vent du module photovoltaïque.
Resumen de: FR3157733A1
La présente invention concerne un dispositif de surveillance (1) de la propreté d’une surface (2), comprenant une source d’alimentation (3) électrique configuré pour être connectée à la surface (2) afin de mettre sous tension la surface (2) en plusieurs points, un système de mesure de la tension et du courant (4), une station météorologique (6) configurée pour acquérir des données environnementales de la surface (2), le dispositif de surveillance (1) comprenant une unité de contrôle (5) configurée pour - commander la source d’alimentation (3) selon un profil d’alimentation, - déterminer à partir du courant et de la tension mesurés une impédance d’isolement induite par la surface (2), - déterminer un niveau de salissure de la surface (2) par rapport à un état initial « propre » de la surface (2) à partir de la mesure d’impédance et des données d’environnement issues d’une station météorologique (6). Figure pour l’abrégé : Fig. 1
Resumen de: FR3157671A1
Module photovoltaïque (1) comportant :- une unité photovoltaïque (6) comportant plusieurs cellules photovoltaïques (3) reliées électriquement en série et distantes les unes des autres, les cellules photovoltaïques adjacentes étant reliées électriquement deux à deux par un interconnecteur métallique (4) qui s’étend au moins en partie dans un espace d’interconnexion (2) séparant lesdites cellules photovoltaïques adjacentes, - une structure d’encapsulation (8) en un matériau d’encapsulation à base polymère prenant en sandwich les faces opposées des cellules photovoltaïques, définissant une zone de recouvrement cellulaire (10), et l’interconnecteur dans l’espace d’interconnexion, définissant une zone de recouvrement d’interconnecteur (11), une cale (12) incorporée dans la structure d’encapsulation et partiellement superposée à l’interconnecteur dans la zone de recouvrement d’interconnecteur, la cale étant constitué par matériau présentant, au moins à une température de -40 °C, un module d’élasticité inférieur au module d’élasticité du matériau d’encapsulation.
Resumen de: FR3157670A1
Module photovoltaïque (1) comportant :- une unité photovoltaïque (6) comportant plusieurs cellules photovoltaïques (3) reliées électriquement en série et distantes les unes des autres, les cellules photovoltaïques adjacentes étant reliées électriquement deux à deux par un interconnecteur métallique (4) qui s’étend au moins en partie dans un espace d’interconnexion (2) séparant lesdites cellules photovoltaïques adjacentes, - une structure d’encapsulation (8) à base polymère prenant en sandwich les faces opposées (9,9b) des cellules photovoltaïques, définissant une zone de recouvrement cellulaire (10), et l’interconnecteur dans l’espace d’interconnexion, définissant une zone de recouvrement d’interconnecteur (11), caractérisé en ce que l’épaisseur la plus faible (egap) de la zone de recouvrement d’interconnecteur est inférieure à l’épaisseur la plus faible (ec) de la zone de recouvrement cellulaire.
Resumen de: FR3157732A1
La présente invention concerne un procédé mis en œuvre par ordinateur pour optimiser la production d'électricité d'une centrale photovoltaïque comprenant une pluralité d'unités de production d'électricité, le procédé comprenant les étapes suivantes : - Obtenir un modèle mathématique de la centrale photovoltaïque, - Calculer, pour un moment déterminé, au moyen du modèle mathématique et de la position du soleil à ce moment déterminé, la production d'électricité de la centrale photovoltaïque pour une pluralité d'orientations pour chacune de ladite pluralité d'unités de production d'électricité, - Sélectionner, parmi cette pluralité d'orientations, une orientation déterminée pour chacune des unités de production d'électricité qui correspond à un ensemble de positions optimales pour produire de l'électricité au moyen de la centrale photovoltaïque, et - Générer des instructions pour que les moyens de commande orientent chacune des unités de production d'électricité vers leur orientation déterminée respective. Figure de l’abrégé : 6
Resumen de: FR3157703A1
Dispositif d’alimentation en énergie électrique , d ispositif d’entraînement motorisé comprenant un tel d ispositif d’alimentation en énergie électrique , et dispositif d’occultation associé Un dispositif d’alimentation en énergie électrique (31) comprend un boîtier (48), un câble (18) et un serre-câble (49). Le serre-câble (49) comprend un premier orifice (51) de passage du câble (18). Le boîtier (48) comprend un deuxième orifice (52) de passage du câble (18). Dans une position plaquée du serre-câble (49) contre le boîtier (48), dans laquelle une vis de fixation (50) est vissée, un premier centre géométrique (C51) du premier orifice (51) est décalé par rapport à un deuxième centre géométrique (C52) du deuxième orifice (52), de sorte que le câble (18) est maintenu en position par coincement. En outre, dans une position basculée du serre-câble (49) par rapport au boîtier (48), dans laquelle la vis de fixation (50) est au moins partiellement dévissée, le câble (18) est libéré par rapport au serre-câble (49) et au boîtier (48), de sorte à pouvoir coulisser le câble (18) au travers des orifices (51, 52). Figure pour l'abrégé : Figure 6.
Resumen de: WO2025129237A1
A semiconductor layer on a substrate, the semiconductor layer being a solid particulate composite of semiconductor particles and cohesion particles, wherein the cohesion particles are 10% to 45% v/v of the solid particulate composite. Also provided is a method of forming the above semiconductor layer on a substrate, the method including mixing semiconductor particles, cohesion particles and a non-solvent liquefier to form a solid suspension, coating the solid suspension on a substrate and removing liquefier from the as-coated solid suspension to form the above semiconductor layer.
Resumen de: US2025211163A1
A lead assembly includes a feeder cable, a drop line cable with first and second drop lines, and one or more mold structures disposed about and enclosing a region of electrical interconnection between the feeder cable and the drop line cable. The first drop line terminates at a first drop line connector configured for detachable connection to a wire harness having multiple branches that are each configured to receive electrical power generated by a corresponding PV panel. The second drop line terminates at a second drop line connector. The mold structure(s) are disposed about and enclose a region of electrical interconnection between the feeder cable and the drop line cable. In the region of electrical interconnection, at least a portion of the drop line cable extends along a longitudinal axis that is parallel to a longitudinal axis of at least a portion of the feeder cable.
Nº publicación: WO2025131855A1 26/06/2025
Solicitante:
REC SOLAR PTE LTD [SG]
MEWBURN ELLIS LLP [GB]
REC SOLAR PTE. LTD,
MEWBURN ELLIS LLP
Resumen de: WO2025131855A1
The solar cell comprising a light-absorber layer comprising a perovskite material and a hole-transport layer comprising a p-type doped semiconductor material. The method comprises: forming the perovskite material on a substrate to define the light-absorber layer; forming the p-type doped semiconductor material on the substrate to define the hole-transport layer; and passivating one or more layers of the solar cell with a passivating medium comprising boron trifluoride, the one or more layers selected from the group consisting of: the light-absorber layer and the hole-transport layer. The step of passivating the one or more layers comprises directing a flow of gas comprising boron trifluoride towards said layers or the substrate said layers are to be formed on.
BOPI
Sede Electrónica
