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224
resultados
Última actualización
01/07/2025 [07:00:00]
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: 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: 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: DE102023136079A1
Die Erfindung betrifft ein Solarzellentestverfahren, eine Solarzellentestvorrichtung und ein computerlesbares Medium zur Implementierung des Solarzellentestverfahrens. Bei dem Solarzellentestverfahren werden an einer kontaktierten Solarzelle zwei Strom-Spannungs-Kurven ermittelt. Anschließend wird aus den beiden Kurven jeweils eine Emitterspannungskurve abgeleitet, aus denen mittels punktweise Differenzbildung eine Ladungsänderungskurve. Anschließend erfolgt die Ermittlung einer Diffusionskapazitätskurve mittels punktweise Quotientenbildung zwischen der Ladungsänderungskurve und einer nummerischen zeitlichen Ableitung der Emitterspannungskurve. Schließlich erfolgt ein Anpassen einer von einer Dotierkonzentration als freien Parameter abhängigen Diffusionskapazitätsfunktion an die ermittelte Diffusionskapazitätskurve derart, dass als Ergebnis des Anpassens ein Dotierkonzentrationswert für die Dotierkonzentration der kontaktierten Solarzelle bestimmt wird.
Resumen de: US2025208653A1
An electronic device case particularly useful for tablets and cell phones. The device case has a sidewall with an overhanging wall that properly positions the electronic device adjacent to a back wall for efficient wireless charging. A solar cell is affixed to the back wall and faces outwardly of the case. An inverter is directly connected to the solar cell and is for converging direct current from the solar cell into alternating current upon light being received onto the solar cell. An inductive coil is directly connected to the inverter so that the inductive coil provides an alternating magnetic field upon light being received onto the solar cell. No battery is required within the device case and it relies solely on power from the solar cell.
Resumen de: US2025207596A1
Aspect of the disclosure provides a method of pumping a liquid material. The method may include pumping the liquid material by rotating an impeller attached to a shaft assembly. The pump includes the impeller, the shaft assembly, and a pump chamber. The method includes controlling the minimum pressure of the liquid material in the pump chamber to be above a threshold pressure by controlling a pressure of a gas that is supplied to the pump chamber. The shaft assembly includes a first shaft and a second shaft that are separated by a gap and are physically coupled by a coupling component.
Resumen de: US2025207601A1
A fan (1) for an automatic dispensing device, wherein the fan (1) is configured to generate an air flow when a rotor (3) of the fan (1) is rotating. The fan (1) comprises a drive circuit (6), an electromagnet (8) having at least one electromagnetic coil, the electromagnetic coil connected to the drive circuit (6), a rotor (3) for generating the airflow, and at least four magnets (14a, 14b, 14c, 14d, 14e, 14f, 14g, 14h) arranged on a circle (18) on the rotor (3) and spaced apart by the same angle (alpha), wherein the electromagnet (8) is arranged above or under the circle (18) of the rotor (3) and configured to attract or repel said magnets (14a, 14b, 14c, 14d, 14e, 14f, 14g, 14h), and the drive circuit (6) is configured to switch a current direction in the electromagnetic coil of the electromagnet (8) to sequentially attract and then repel each magnet as the rotor rotates. The fan further comprises a magnetic element (16) arranged above or under the rotor (3) in proximity (20) of the circle (18) of the rotor (3) such that the magnetic element (16) attracts one of the magnets (14a) to its position when the electromagnetic coil is not powered by the drive circuit (6) and the rotor (3) is not rotating or gradually coming to a halt after the electromagnetic coil has been un-powered, wherein none of the other magnets (14b, 14c, 14d, 14e, 14f, 14g, 14h) assumes a position directly under or above the electromagnet (8) when the rotor (3) comes to a halt. In a preferred embodiment, th
Resumen de: US2025207279A1
A method for operating an electrolysis device, having a converter which is connected on an AC voltage side to an AC voltage grid via a decoupling inductance and draws an AC active power from the AC voltage grid, and an electrolyzer, which is connected to the converter on the DC voltage side, is provided. The method includes operating the electrolysis device, when a grid frequency corresponds to a nominal frequency of the ACT voltage grid and is substantially constant over a time period, with an electrical power which is between 50% and 100% of a nominal power of the electrolyzer, and operating the converter in a voltage-impressing manner, such that an AC active power drawn from the AC voltage grid is changed on the basis of a change and/or a rate of change of the grid frequency in the AC voltage grid.
Resumen de: US2025208658A1
A finger-worn wearable ring device may include a ring-shaped housing, a printed circuit board, and a sensor module that includes one or more light-emitting components and one or more light-receiving components. The wearable ring device may further include a communication module configured to wirelessly communicate with an application executable on a user device.
Resumen de: US2025206913A1
Composite materials that include a polymer matrix and a metal halide perovskite. The metal halide perovskite may be a lead-free metal halide double perovskite. Devices that include a layer of a composite material, a first electrode, and a second electrode. Methods of forming composite materials and devices, including methods that include printing one or more layers with a 3D printer.
Resumen de: US2025212674A1
The invention provides a method of forming a perovskite material from a plurality of evaporation sources comprising co-subliming from: (i) a first evaporation source comprising a mixture of co-sublimable organic halides, wherein the organic halides comprise: a. a first organic halide comprising an organic cation A; b. a second organic halide comprising an organic cation A′ which is different to A and has a larger ionic radius than the first organic cation A; and (ii) a second evaporation source comprising one or more metal halides having the formula (I): B(XyX′1-y)2 (I) wherein B is a divalent metal cation, X and X′ are different halides and 0≤y<1; and (iii) one or more further organic halides from one or more further evaporation sources; and/or (iv) one or more inorganic halides from one or more further evaporation sources; to form the perovskite material, wherein the perovskite material comprises three or more different cations in the A site. Perovskite materials and semiconductor devices, typically photovoltaic devices, are also provided.
Resumen de: US2025212593A1
Provided is a conductive paste including 30 wt % to 90 wt % of a conductive particle, 0.1 wt % to 10 wt % of a binder, 0.1 wt % to 2 wt % of an organic amine, and 10 wt % to 50 wt % of a solvent. A solar cell module and a manufacturing method thereof are also provided.
Resumen de: US2025212684A1
The present invention provides a photoelectric conversion element having excellent quantum efficiency in a case of receiving blue light. In addition, an imaging element, an optical sensor, a compound, and a manufacturing method of a compound, which are related to the photoelectric conversion element, are provided. The photoelectric conversion element according to the present invention is a photoelectric conversion element including a conductive film, a photoelectric conversion film, and a transparent conductive film in this order, in which the photoelectric conversion film contains a compound represented by Formula (1).
Resumen de: US2025206914A1
Composite materials that include a polymer matrix and a metal halide perovskite. The metal halide perovskite may be a lead-free metal halide double perovskite. Devices that include a layer of a composite material, a first electrode, and a second electrode. Methods of forming composite materials and devices, including methods that include printing one or more layers with a 3D printer.
Resumen de: US2025212592A1
A photoelectric conversion element includes a support body having flexibility, a perovskite layer, and a second electrode, and an average thickness T1 (μm) of the support body and an average thickness T2 (nm) of the perovskite layer satisfy the relationship T2/T1≤6.
Resumen de: WO2025133737A1
The present disclosure relates to energy storage cell, method for manufacturing and its uses. It is disclosed an energy storage cell comprising a thermally isolating outer shell comprising at least a part of an internal vessel, wherein the thermally isolating outer shell comprises a space, which is at least a partially empty space, between said internal vessel and an internal wall of the thermally isolating outer shell, wherein the internal vessel comprises a phase change material arranged to be heated; one or more thermoelectric or thermophotovoltaic converters arranged in said space for converting radiation emitted by the internal vessel to electrical energy.
Resumen de: US2025212529A1
Provided is an installation structure for a photovoltaic power generation sheet that suppresses vibration of the photovoltaic power generation sheet due to wind in a state where the photovoltaic power generation sheet is installed above an installation surface. An installation structure for a photovoltaic power generation sheet of the present disclosure includes an installation surface, the photovoltaic power generation sheet installed above the installation surface, and a sealing member (bonder) that closes a gap between an outer peripheral edge of the photovoltaic power generation sheet and the installation surface.
Resumen de: US2025212531A1
A paste (32) for use in metallization of a solar cell (12) includes an organic vehicle (44) and a mixture of copper-containing particles (46), metal-oxide-containing nanoparticles (50), and secondary oxide particles (52) different from the metal-oxide-containing nanoparticles (50). The secondary oxide particles (52) include particles (42) of a metal oxide and a metal of the metal oxide capable of reducing at least some of the metal-oxide-containing nanoparticles (50) to metal when heated. The organic vehicle (44) is capable of reducing the metal oxide of the secondary oxide particles (52) upon decomposition of the organic vehicle (44). A paste (32) includes a mixture of particles (42) including metallic copper particles (46), nanoparticles (50), and metal oxide particles (52) in the organic vehicle (44). The nanoparticles (50) include at least one oxide of nickel, copper, cobalt, manganese, and lead. The metal oxide of the metal oxide particles (52) has a more negative Gibbs Free Energy of Formation than a metal oxide of the at least one oxide of the nanoparticles (50).
Resumen de: US2025211165A1
An electrical bus system has a trunk bus that includes at least one positive bus line, an equal number of negative bus line, and a ground cable. The trunk bus lines extend through clamping blocks where some of the clamping blocks are coupled to brackets that are themselves coupled to vertical supports. The ground cable is coupled to vertical support using the bracket. Multi-tap shear bolt connectors are used to connect the trunk bus line to photovoltaic wires carrying the output from one or more solar panel arrays, thereby eliminating the need for combiner boxes used in conventional systems.
Resumen de: US2025211167A1
The present invention aims to provide a diagnostic technique capable of estimating local degradation of the series resistance included in a solar cell. A solar cell system according to the present invention acquires the series resistance of the solar cell when the solar cell limits output based on the first amount of solar radiation, acquires the series resistance of the solar cell when the solar cell tracks a maximum power point, and uses these series resistances to diagnose whether a degradation factor of the solar cell is a local increase in the series resistance or a total increase in the series resistance.
Resumen de: US2025211160A1
Provided is an installation structure for a photovoltaic power generation sheet that can suppress adhesion of dirt contained in moisture dropped on a surface of the photovoltaic power generation sheet to the surface of the photovoltaic power generation sheet. The installation structure of the photovoltaic power generation sheet according to the present invention includes an installation surface which is a ground surface or a floor surface of a building, and a photovoltaic power generation sheet provided on an upper side of the installation surface. The surface of the photovoltaic power generation sheet is inclined at an angle of 1.5° or more with respect to the horizontal plane, and the critical surface tension γc of the surface of the photovoltaic power generation sheet is 20 or more and 45 or less.
Resumen de: WO2025133727A1
A photovoltaic module comprising a set of fixed elements, a rigid body connected to the set of fixed elements so as to be able to swing about a horizontal oscillation axis, one or more bifacial solar panels fixed on the rigid body such that, in the absence of external forces, the rigid body is in an equilibrium position, the rigid body being able to deviate from the equilibrium position under the effect of the wind in order to reduce the windage of the photovoltaic module.
Resumen de: WO2025131175A1
The invention relates to a solar cell test method, to a solar cell test device, and to a computer-readable medium for implementing the solar cell test method. The solar cell test method is used to characterize a contacted solar cell or a contacted solar module and has the following steps: carrying out a first measuring process in which the solar cell is irradiated with light with an intensity which changes over time, and during the irradiation, the time curve of the cell voltage in the solar cell is measured in order to obtain a first sequence of time-resolved first light intensity values and corresponding time-resolved first voltage values; carrying out a second measuring process in a corresponding manner in order to obtain a second sequence of time-resolved second light intensity values and corresponding time-resolved second voltage values; and carrying out a calculation for each first voltage value in order to ascertain a respective stationary light intensity value (Ls), wherein the total quantity of stationary light intensity values (Ls) together with respective first voltage values (V) forms a stationary curve.
Resumen de: US2025211166A1
An electrical bus system has a trunk bus that includes at least one positive bus line, an equal number of negative bus line, and a ground cable. The trunk bus lines extend through clamping blocks where some of the clamping blocks are coupled to brackets that are themselves coupled to vertical supports. The ground cable is coupled to vertical support using the bracket. Multi-tap shear bolt connectors are used to connect the trunk bus line to photovoltaic wires carrying the output from one or more solar panel arrays, thereby eliminating the need for combiner boxes used in conventional systems.
Nº publicación: US2025211132A1 26/06/2025
Solicitante:
HUAWEI DIGITAL POWER TECH CO LTD [CN]
Huawei Digital Power Technologies Co., Ltd
Resumen de: US2025211132A1
A 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.
BOPI
Sede Electrónica
