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157
resultados
Última actualización
05/03/2026 [06:56:00]
Resumen de: DE102024125501A1
In einem Verfahren zum Betrieb eines PV-Generators (11) am Arbeitspunkt maximaler Leistung (MPP, 22) mittels eines Wechselrichters (12) zum Umwandeln elektrischer DC-Leistung (P_PV, P_DC) des PV-Generators (11) in elektrische AC-Leistung (P_AC) weist der PV-Generator (11) eine PV-Kennlinie (21) auf und der Wechselrichter (12) wird mittels einer Droop-Steuerkurve (31) betrieben. Dabei gibt die Droop-Steuerkurve (31) Sollwerte für die Leistung (P_DC, PAC) des Wechselrichters (12) in Abhängigkeit von einer DC-Spannung (U_DC) des Wechselrichters (12) vor, wobei der Wechselrichter (12) einen Istwert der Leistung (P_DC, P_AC) mittels einer leistungselektronischen Brückenschaltung auf den durch die Droop-Steuerkurve (31) für die aktuelle DC-Spannung (U_DC) vorgegebenen Sollwert einstellt, so dass sich im Betrieb des PV-Generators (11) ein Arbeitspunkt (41) einstellt, der dem Schnittpunkt der aktuellen Droop-Steuerkurve (31) mit der aktuellen PV-Kennlinie (21) entspricht. In einem ein iteratives MPP-Tracking wird die Droop-Steuerkurve (31) schrittweise verändert, um den Arbeitspunkt (41) entlang der DC-Spannung (U_DC) zu verschieben. Der resultierende Istwert der Leistung (P_DC, P_AC) wird erfasst, und die Droop-Steuerkurve (31) wird in jedem Tracking-Schritt so verändert, dass der Arbeitspunkt (41) in eine Richtung verschoben wird, die von einer Richtung einer Änderung des Istwertes der Leistung (P_DC, P_AC) am Arbeitspunkt (41) aufgrund der Änderung der Droop-Steuerkurve (3
Resumen de: DE102024208142A1
Die Erfindung betrifft einen Photovoltaikumrichter (1) mit einer Mehrzahl von Photovoltaikeingängen (8) für jeweils wenigstens ein Photovoltaikmodul (3) oder wenigstens einen Photovoltaikstring (4), auch Multistring-Photovoltaikumrichter genannt, und eine Photovoltaikanordnung (1, 3, 4) mit einem solchen Photovoltaikumrichter 1.Der Photovoltaikumrichter (1) ist mit einem Einspeiseumrichter (6), einem Gleichspannungszwischenkreis (7), eine Mehrzahl von Photovoltaikeingängen (8) für jeweils ein Photovoltaikmodul (3) oder einen Photovoltaikstring (4), einem Lichtbogendetektor (12), eine Mehrzahl von DC/DC-Stellergruppen (10) und einer Steuereinheit (13) ausgestattet. Der Einspeiseumrichter (6) ist dazu ausgebildet, dem Gleichspannungszwischenkreis (7) darin gespeicherte elektrische Energie zu entnehmen, die entnommene gespeicherte elektrische Energie wechselzurichten und die wechselgerichtete elektrische Energie in ein Versorgungsnetz (2) einzuspeisen. Der Lichtbogendetektor (12) ist dazu ausgebildet, ein Auftreten eines Lichtbogenereignisses an einem der Photovoltaikeingänge (8) zu detektieren. Jede DC/DC-Stellergruppe (10) enthält einen oder mehrere DC/DC-Steller (11), wobei jede DC/DC-Stellergruppe (10) zwischen eine jeweilige Teilmenge der Mehrzahl von Photovoltaikeingängen (8) und den Gleichspannungszwischenkreis (7) geschaltet und dazu ausgebildet ist, eine an der jeweiligen Teilmenge der Photovoltaikeingänge (8) verfügbare jeweilige PV-elektrische Energie zu entn
Resumen de: DE102024125504A1
Die Erfindung betrifft eine Farbbeschichtung für ein Photovoltaikmodul (6) aus bedruckten Flächen (1) beispielsweise direkt auf der Oberfläche oder der den Solarzellen (4) zugewandten Unterseite eines transparenten Substrats (3) selbst, wobei die Farbbeschichtung aus einem gedruckten Raster bestehend aus einem gleichmäßig verteilten Muster einzelner Rasterdruckelemente als bedruckter Flächen (1) gleicher Größe und/oder Rasterdrucklinien gebildet ist, und der Rasterdruck der Farbbeschichtung der bedruckten Flächen (1) lichtundurchlässig, stark remittierend oder zumindest zweischichtig aufgebaut ist, wobei bei einem zweischichtigen Aufbau ein dem Lichteinfall zugewandter Farbauftrag zumindest durch eine Reflexionsbeschichtung in Form einer weißen oder reflektierende Fläche (1c) hinterlegt ist.
Resumen de: DE102025118100A1
Ein Fahrzeug umfasst ein Solarpaneel, das an einem oberen Abschnitt eines Fahrzeugkörpers vorgesehen ist, und einen vorstehenden Abschnitt, der vor dem Solarpaneel an dem Fahrzeugkörper vorgesehen ist. Der vorstehende Abschnitt hat eine Form, die sich in einer Vorne-Hinten-Richtung des Fahrzeugkörpers nach vorne verjüngt.
Resumen de: EP4702901A1
Glass cleaning robot, that comprises a first independent glass cleaning robot (1), a second independent glass cleaning robot (2), and a central system configured to precisely coordinate the actions of the two independent glass cleaning robots transforming them into a single, more efficient operating entity, such the central system comprises a first linear actuator (5) attached to the first independent glass cleaning robot, a second linear actuator (6) attached to the second independent glass cleaning robot, and a third linear actuator (7) attached at one end to the first linear actuator (5) and at the other end to the second linear actuator (6), where the third linear actuator (7) is perpendicular to the first linear actuator (5) and to the second linear actuator (6).
Resumen de: EP4704334A1
The invention relates to a computer-implemented method (100) for calculating an efficiency degradation rate of an energy conversion device (50) from measurement data (10) of the energy conversion device (50). The method comprises the steps of: a) providing first measurement data (14) of a first observation obtained at a first time point, the first measurement data including multiple measurement data points each relating an energy input value of the energy conversion device (50) to an energy output value of the energy conversion device (50); b) applying a mathematical model to the first measurement data (14) to obtain a function modelling the first measurement data (14); c) determining (130) a first coefficient of conversion from the obtained function, wherein the first coefficient of conversion represents a ratio of the energy input to the energy output at the first time; d) repeating (140) steps a) to c) with second measurement data of the energy conversion device (50) obtained at a second time point, the second time point being different than the first time point, thereby obtaining a second coefficient of conversion representing a ratio of the energy input to the energy output at the second time point; e) comparing (150) the first coefficient of conversion with the second coefficient of conversion to determine the efficiency degradation rate of the energy conversion device (50).
Resumen de: EP4704523A1
The present application relates to a conductive component, a solar cell string, and a photovoltaic module. An outer periphery of the conductive component (130) is defined with a plurality of welding regions (131) and a plurality of adhesive bonding region (132). The welding regions and the adhesive bonding regions are arranged alternately in a first direction. The outer periphery of the conductive component is provided with a plurality of flux parts (135) respectively corresponding to the plurality of welding regions. Each of the flux parts is at least partially coated, along a perimetral direction of the conductive component, on the conductive component in a corresponding one of the welding regions.
Resumen de: WO2024224028A1
The present invention relates to a system (1) for producing electricity from solar radiation, comprising a support structure (2) and a plurality of photovoltaic modules (11a, 11b, 12a, 12b, 13a, 13c) supported by the support structure (2), characterised in that the photovoltaic modules (11a, 11b, 12a, 12b, 13a, 13c) are arranged at a plurality of levels (21, 22, 23) of the support structure (2) so as to be stacked substantially vertically, the distance between two consecutive levels of the plurality of levels (21, 22, 23) being such that the photovoltaic module or modules (11a, 11b, 12a, 12b, 13a, 13c) of one level (21, 22, 23) are never in the shadow of the module or modules (11a, 11b, 12a, 12b, 13a, 13c) of the immediately higher level (21, 22, 23).
Resumen de: EP4704333A1
In an embodiment, an optical power converter includes a container (110) with a light input port (120) and an electrical output terminal (134, 136). A fluid can be inside the container (110). A converter device (140, 141) contacts the fluid inside the container (110). The converter device (140, 141) includes a photovoltaic element (150) that converts light into electrical power. The light travels through the fluid before reaching the converter device (140, 141). In some examples, the converter device (140, 141) may be a multijunction photovoltaic semiconductor device. The fluid (300) may be an insulating oil or a cryogenic liquid in some examples. In general, the fluid promotes heat transfer away from the converter device (140, 141) and may permit the optical power converter to function at a higher input power and/or with greater efficiency. The fluid may make direct contact with the photovoltaic element (150) in some examples.
Resumen de: WO2024223996A1
The invention relates to a three-dimensional photovoltaic module (2) provided with a central axis and comprising a three-dimensional support structure (3) having a plurality of support faces (6) distributed around the central axis; and photovoltaic coatings (7) attached to the three-dimensional support structure (3), each photovoltaic coating (7) being arranged on a respective support face and at least partially covering the respective support face (6), each photovoltaic coating (7) extending substantially along a respective extension plane. The photovoltaic coatings (7) comprise a plurality of photovoltaic coating subsets (7) distributed around the central axis that each comprise two adjacent photovoltaic coatings (7), the extension planes of the two photovoltaic coatings (7) belonging to the same subset intersecting along a respective intersection line that is inclined with respect to the central axis and upwardly extends away from the central axis.
Resumen de: WO2024223777A1
The present invention relates to a layer element comprising a polyethylene based layer (A) and a polypropylene based layer (C) sandwiching a polyolefin based layer (B) comprising a copolymer of propylene and ethylene (B- 1) having a melting temperature Tm of from 130 to 150°C and a copolymer of ethylene and one or more comonomers selected from 4 to 12 carbon atoms (B-2) having a melting temperature Tm of from 30 to 60°C, in a structure A-B-C, an article, preferably a photovoltaic module, such as a bifacial photovoltaic module, comprising said layer element as integrated backsheet element, a process for producing said layer element, a process for producing said photovoltaic module and the use of said layer element as integrated backsheet element of a bifacial photovoltaic module.
Resumen de: US2025221058A1
A string of shingled solar cells is disclosed. The string of shingled solar cells has flexible joints connecting the solar cells made from cured liquid polymeric adhesive. An electrically conductive interconnect passes through the flexible joint. The string of shingled solar cells also has interconnect reinforcements made from cured liquid polymeric adhesive to improve interconnect adhesion to the front surface of the solar cells.
Resumen de: WO2024223775A1
The present invention relates to a layer element comprising a polyethylene based layer (A) and a polypropylene based layer (C) sandwiching a polyolefin based layer (B) comprising a copolymer of propylene and ethylene (B- 1) having a melting temperature Tm of from 130 to 175 °C and a copolymer of ethylene and one or more comonomers selected from 4 to 12 carbon atoms (B-2) having a melting temperature Tm of from 100 to 140°C, in a structure A- B-C, an article, preferably a photovoltaic module, such as a bifacial photovoltaic module, comprising said layer element as integrated backsheet element, a process for producing said layer element, a process for producing said photovoltaic module and the use of said layer element as integrated backsheet element of a bifacial photovoltaic module.
Resumen de: EP4704299A1
A solar charge controller for at least one solar panel array and at least one battery, the solar charge controller being adapted to be electrically connected with the at least one solar panel array and the at least one battery, the solar charge controller includes a built-in modem configured for two-way communication between the solar charge controller and a user, the built-in modem includes a soft SIM. A system including a plurality of solar charge controllers. A method of two-way communication between a solar charge controller and a user.
Resumen de: US20260060000A1
A compound of formula (1):including at least one deuterium atom, wherein Ar1 has formula (1-b), Ar2 is a group of formula (2) or (3), Ar3 is a hydrogen atom, L is a single bond, as defined herein. An organic electroluminescent device may include the compound, and an electronic device may include such an organic electroluminescent device.
Resumen de: US20260059995A1
Devices for deposition of material via organic vapor jet printing (OVJP) and similar techniques are provided. The depositor includes delivery channels ending in delivery apertures, where the delivery channels are flared as they approach the delivery apertures, and/or have a trapezoidal shape. The depositors are suitable for fabricating OLEDs and OLED components and similar devices.
Resumen de: US20260059868A1
A solar cell module includes interconnected solar cells, a transparent cover over the front sides of the solar cells, and a backsheet on the backside of the solar cells. An encapsulant protectively packages the solar cells. The encapsulant and the transparent cover forms a top protection package that has a combined UV transmission curve and volume specific resistance that addresses polarization. The encapsulant has a relatively wide UV transmission curve.
Resumen de: US20260059869A1
The present disclosure relates to the technical field of solar cells. Disclosed are a back contact cell module and a system. The assembly includes a cell string, an insulation bar, and a bus bar; the cell string includes a first cell piece and a second cell piece, which are adjacent to each other; the insulation bar is provided on a backlight surface of the first cell piece; a second ribbon is connected to the second cell piece and the bus bar, respectively; and the insulation bar blocks the second ribbon and the first cell piece.
Resumen de: US20260058597A1
A free-standing structure, on which solar panels for the conversion of radiant energy received from the sun into electrical energy are mounted. The structure has of a box-shaped panel carrier. The panel carrier stands on four posts, two southern posts and two northern posts. The posts are anchored in a foundation. PV panels are mounted on a southern side, on an east side, and on a west side of the panel carrier, wherein openings on a lower side and an upper side of the panel carrier are each closed by a storm grating that is permeable to air. A roof construction is positioned on the upper side of the panel carrier, which roof construction has PV panels facing south towards the sun, and of north side panels, wherein triangular openings provided on the east and west sides are each closed by a storm grating that is permeable to air.
Resumen de: DE102024124191A1
Die Erfindung betrifft ein Solarmodul mit einer Befestigungseinrichtung, das Solarmodul und die Befestigungseinrichtung aufweisend:• ein Solarmodullaminat (1) mit einer Laminatkante (10),• ein Halteprofil (2) mit einem Kantenschenkel (20), der zum Umgreifen zumindest eines Abschnitts der Laminatkante (10) ausgebildet ist und mit einem von dem Kantenschenkel (20) und von der Laminatkante (10) beabstandeten Montageschenkel (21), der zum Fixieren des Halteprofils (2) ausgebildet ist, und• eine Fixierklammer (3) mit einem Aufnahmeabschnitt (31) für den Montageschenkel (21) des Halteprofils (2). Erfindungsgemäß ist vorgesehen, dass der Aufnahmeabschnitt (31) im Querschnitt betrachtet eine Öffnungsweite aufweist, die sich mit zunehmendem Abstand vom Halteprofil (2) verjüngt unddie Fixierklammer (3) eine Klemmeinrichtung (30) aufweist, die ausgebildet und eingerichtet ist, den Montageschenkel (21) des Halteprofils (2) in den Aufnahmeabschnitt (31) einzupressen.
Resumen de: AU2024334663A1
A mounting assembly configured to engage trapezoidal ribs extending from metal panels is disclosed. The mounting assembly includes a mounting bracket and a PV mount. The mounting bracket comprises a base comprising a first leg and a second leg that are adjustably connected by a bolt. Each leg has a foot with an aperture to receive a shaft of a fastener that can extend through a sidewall of a trapezoidal rib when the mounting bracket is secured to the trapezoidal rib. The distance between the two feet may be adjusted by loosening the bolt to fit trapezoidal ribs of different dimensions. The PV mount is selectively connectable to the base by the bolt. In some embodiments, the PV mount includes at least one platform for a photovoltaic module.
Resumen de: AU2026200757A1
The present application discloses a solar cell and a photovoltaic module, which relates to the technical field of photovoltaics. A first surface of the solar cell has multiple first electrodes and multiple second electrodes staggered in an interdigitated pattern. Each of the multiple first electrodes has a first busbar and multiple first fingers, and each of the multiple second electrodes has a second busbar and multiple second fingers extending along the second direct. A first welding point is defined on the first busbar, and a second welding point is defined on the second busbar. The solar cell further includes multiple insulation structures configured to cover an area where the first busbar is located and/or an area where the second busbar is located. An end of each of the multiple insulation structures extends to cover ends of the multiple first fingers close to the second busbar and/or ends of the multiple second fingers close to the first busbar. A window is opened on a projection of at least one of the first busbar and the first welding point on a respective insulation structure, and/or a window is opened on a projection of at least one of the second busbar and the second welding point on the respective insulation structure, which avoids short circuit in the solar cell. eb e b
Resumen de: AU2024321385A1
A mounting device selectively engageable to a module-level power electronics (MLPE) device includes a body with an aperture, a first arm, and a second arm. The first arm extends from a first side of the body at a first arm angle relative to the body. The second arm extends from a second side of the body at a second arm angle relative to the body. When the aperture receives a fastener able to engage an extension of the MLPE, the first arm makes contact with a first surface of a frame section of a photovoltaic (PV) frame and holds the extension against a second surface of the frame section, securing the PV frame to the extension via the interconnecting mounting device. The first arm may include teeth operable to engage the frame section. The mounting device may include a tab operable to engage the extension.
Resumen de: AU2024325330A1
A torque tube coupler may include a sleeve. The sleeve may include an outer surface, a first opening, and a second opening. The outer surface may be configured to physically engage with portions of internal surfaces of a first torque tube segment and a second torque tube segment. The first opening may be configured to be positioned proximate a first countersunk opening of the first torque tube segment. The second opening may be configured to be positioned proximate a second countersunk opening of the second torque tube segment. The first opening and the second opening may be configured to receive fasteners via the first countersunk opening and the second countersunk opening to couple the first torque tube segment and the second torque tube segment to the sleeve to form a torque tube comprising a flush external surface.
Nº publicación: AU2024292012A1 26/02/2026
Solicitante:
ENSTALL US INC
ENSTALL US, INC
Resumen de: AU2024292012A1
A frame for a photovoltaic module may include: a base portion having an outer lip and a bottom surface while also defining an opening configured to receive a first mounting element therein; at least one leg extending from the base portion; and a panel support portion extending from the at least one leg and configured to secure a solar panel therein. The outer lip and the at least one leg may define a cavity.
BOPI
Sede Electrónica
