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222
resultados
Última actualización
30/06/2025 [07:00:00]
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: 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: 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: US2025211162A1
A solar tracing system includes a torque tube, a first single frame structure coupled to the torque tube, and a second single frame structure coupled to the torque tube. The first single frame structure includes first frame structure first and second module receptacles at opposite sides of the first frame structure, a first pair of solar modules received at the first frame structure first and second module receptacles, a first frame structure coupling flange, and a first frame structure coupling flange receptacle. The second single frame structure includes second frame structure first and second module receptacles at opposite sides of the second frame structure, a second pair of solar modules received at the second frame structure first and second module receptacles, a second frame structure coupling flange, and a second frame structure coupling flange receptacle.
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.
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.
Resumen de: US2025211164A1
The present disclosure discloses a power supply extension line including a junction box. The junction box is fixedly connected with a conductive sheet providing with a bus. An end of the bus away from the junction box is provided with a triangular plug, an end of the conductive sheet away from the bus is provided with a branching line assembly, the branching line assembly respectively includes a branching line A, a branching line B and a branching line C at an end of the conductive sheet away from the bus, ends of the branching line A, the branching line B, and the branching line C away from the conductive sheet are respectively provided with a high-and-low voltage connector, a female plug, and a multifunctional adapter. The present application solves a problem of insufficient photovoltaic energy supply when connecting two or more solar outdoor decorative lamp groups.
Resumen de: US2025211161A1
An apparatus and method for mounting a solar panel array on a surface is disclosed. The solar panel array includes a plurality of solar panel modules and a hybrid solar panel module mounting assembly. The hybrid solar panel module mounting assembly includes a component of a rail-based mounting system and a component of a rail-less mounting system. At least one of the plurality of solar panel modules is mounted on the component of the rail-based mounting system and at least one of the plurality of solar panel modules is mounted on the component of the rail-less mounting system.
Resumen de: US2025211032A1
A system for optical wireless power transmission to a power receiving apparatus generally situated in a mobile electronic device. The transmitter has an optical resonator with end reflectors and a gain medium positioned between them, such that an optical beam is generated. The frequency of the beam is selected such that it is absorbed by almost all transparent organic materials in general use. A beam steering unit on the transmitter can direct the beam in any of a plurality of directions, and the beam is absorbed on the receiver by means of an optical-to-electrical power converter, through a low reflection surface. The band gap of this power converter is selected to be smaller than that of the gain medium. The receiver has a voltage converter including an inductor, an energy storage device and a switch. A beam steerer controller ensures that the beam impinges on the receiver.
Resumen de: US2025210960A1
A method for detecting arcing, an inverter and a photovoltaic system are provided. The inverter includes an inverter circuit and at least one DC/DC conversion circuit. 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; decreasing a voltage at a power supply side of the first DC/DC conversion circuit immediately after a first preset period of time elapsed; 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.
Resumen de: AU2025204205A1
Abstract A power receiver, comprising: a plurality of photovoltaic (PV) cells, each PV cell having: an active surface configured to receive light for conversion to electric power; and a cathode connector and an anode connector configured to produce a voltage therebetween when the active surface of the PV cell is exposed to light; a circuit board connected to at least one of the cathode and anode connectors, the circuit board having a plurality of apertures therein; and an output connector configured to electrically connect the circuit board to a load, wherein each PV cell is positioned to receive light that has passed through at least one of the plurality of apertures in the circuit board.
Resumen de: DE102023005386A1
Die Erfindung betrifft einen Bausatz zur Aufständerung von Solarmodulen (100) auf Freiflächen, Flachdächern und Dachterrassen, mit einer Unterkonstruktion (5), mindestens umfassend schienenartige Montageprofile (11), auf denen Abstützmittel angeordnet sind, mit welchen die Solarmodule (100) eine Neigungsstellung erhalten. Die Erfindung zeichnet sich dadurch aus, dass die Abstützmittel ein vorderer Montagefuß (20) und ein hinterer Montagefuß (40) in variablen Bauhöhen sind, die zueinander distanzvariabel in der Längsachse der Montageprofile (11) verstell- und fixierbar sind und wobei der vordere Montagefuß (20) eine geringere Bauhöhe als der hintere Montagefuß (40) besitzt und beide Montagefüße (20, 40) jeweils eine Aufnahme aufweisen, die zusammen eine geneigte Auflagefläche bilden, auf der sich die Solarmodule (100) abstützen und welche Mittel besitzen, in der Befestigungselemente einsetzbar sind, welche die Solarmodule (100) einklemmen und gegen Windsogkräfte sichern. Mit der Erfindung ist es möglich auf der Aufstellfläche, dies kann beispielsweise ein Flachdach oder einer Terrasse sein, ein Raster zu bilden. Dieses Raster kann an die Typen der verschiedensten Solarmodule angepasst und entsprechend der Örtlichkeit auf eine Optimierung der Absorptionsfläche ausgerichtet werden, ohne dass die Unterkonstruktion aufwendig individuell gefertigt werden muss. Während der vordere Fuß in einer Bauhöhe bereitgestellt wird, sieht der erfindungsgemäße Bausatz
Resumen de: DE102023136096A1
Die Erfindung betrifft ein Solarzellentestverfahren, eine Solarzellentestvorrichtung und ein computerlesbares Medium zur Implementierung des Solarzellentestverfahrens. Das Solarzellentestverfahren dient zur Charakterisierung einer kontaktierten Solarzelle oder eines kontaktierten Solarmoduls und umfasst folgende Verfahrensschritte: Durchführen eines ersten Messvorgangs, bei dem die Solarzelle mit Licht einer sich zeitlich ändernden Intensität bestrahlt wird und während des Bestrahlens ein zeitlicher Verlauf einer Zellspannung an der Solarzelle gemessen wird, um eine erste Sequenz an zeitaufgelösten Erst-Lichtintensitätswerten und zugehörigen zeitaufgelösten Erst-Spannungswerten zu erhalten; Durchführen eines zweiten Messvorgangs auf entsprechende Weise, um eine zweite Sequenz an zeitaufgelösten Zweit-Lichtintensitätswerten und zugehörigen zeitaufgelösten Zweit-Spannungswerten zu erhalten; Durchführung einer Umrechnung zu jedem Erst-Spannungswert, um jeweils einen Stationär-Lichtintensitätswerts (Ls) zu ermitteln, wobei die Gesamtmenge der Stationär-Lichtintensitätswerte (Ls) mit den jeweiligen Erst-Spannungswerten (V) eine Stationär-Kurve bildet.
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: DE102024131271A1
Die vorliegende Erfindung zielt darauf ab, eine Diagnosetechnik, die in der Lage ist, eine lokale Verschlechterung des in einer Solarzelle enthaltenen Serienwiderstands abzuschätzen, bereitzustellen. Ein Solarzellensystem gemäß der vorliegenden Erfindung erfasst den Serienwiderstand der Solarzelle, wenn die Solarzelle die Ausgabe basierend auf der ersten Menge an Sonneneinstrahlung begrenzt, erfasst den Serienwiderstand der Solarzelle, wenn die Solarzelle einen Maximalleistungspunkt nachverfolgt, und verwendet diese Serienwiderstände, um zu diagnostizieren, ob ein Verschlechterungsfaktor der Solarzelle ein lokaler Anstieg des Serienwiderstands oder ein Gesamtanstieg des Serienwiderstands ist.
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: WO2025136989A1
A digital signage stand can include a main body having a display area outwardly oriented and a display device positioned on the stand main body. A processor can be connected to a display component and positioned within the display area. The processor can receive, without user input, an instruction to change content displayed at the display component. The processor can also change the content displayed at the display component based on the instruction. The digital signage stand can also include a power supply component, electrically connected to the display component and the processor.
Resumen de: WO2025135325A1
The present invention relates to a solar soundproof barrier capable of simultaneously implementing both a soundproof function and a solar power generation function in a soundproof wall structure installed around a road to block noise of a moving vehicle, by installing a solar panel of a solar power generation device to the structure. The solar soundproof barrier comprises a plurality of supports (10) installed apart from each other at regular intervals and a plurality of solar panels (20) stacked in a perpendicular structure between neighboring supports (10), wherein each of the supports (10) comprises a pair of support frames (10a) combined in a mutually symmetrical shape and each having a receiving groove (11) formed inside thereof so that a side part of the solar panel (20) is fitted and combined thereinto, and a load distribution member (100) for distributing load of the solar panel (20) is provided between solar panels (20) adjacent above and below.
Resumen de: WO2025137474A1
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: WO2025135925A1
An insulation resistance measurement device according to an embodiment of the present invention comprises: a variable resistance unit that is connected between a DC link terminal and a ground; and an insulation resistance calculation unit that calculates insulation resistance by using a first voltage of the DC link terminal and a second voltage measured from the variable resistance unit, wherein the insulation resistance calculation unit calculates the insulation resistance by using the second voltage in a first state and the second voltage in a second state in which the resistance from the first state is variable.
Nº publicación: WO2025137241A1 26/06/2025
Solicitante:
ENERGY MAT CORPORATION [US]
ENERGY MATERIALS CORPORATION
Resumen de: WO2025137241A1
A method of making a photovoltaic module having a first set and second sets of photovoltaic cells connected in series is provided. A module precursor structure is formed having first and second electrically isolated photovoltaic structures on a substrate and defined by a first scribe structure along a first dimension. Each photovoltaic structure includes i) a bottom electrode overlaying the substrate; ii) a photoactive layer overlaying the bottom electrode, the photoactive layer including at least a perovskite absorber layer and iii) a top electrode overlaying the photoactive layer, wherein at least one of the top and bottom electrodes is a transparent electrode. A series connection is made between the first and second photovoltaic structures by forming an electrically conductive connector. A second scribe structure is formed through the first and second photovoltaic structures by selectively removing the top electrode, the photoactive layer, and the bottom electrode in a target area along a second dimension substantially orthogonal to the first dimension.
BOPI
Sede Electrónica
