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150
resultados
Última actualización
06/03/2026 [06:55:00]
Resumen de: US20260066836A1
An electrical power supply device comprises a casing, a photovoltaic panel, which is fixed on the casing, and a fixing device, which comprises a fixing support, a holding device and a cover. The support comprises a plurality of first locking elements. The holding device comprises at least one second locking element, which cooperates with one of the first locking elements. The holding device is fixed on the cover. The cover is fixed removably on the casing. Furthermore, the support is arranged between the casing and the cover, so as, on the one hand, to be able to slide the support between the casing and the cover and, on the other hand, to hold the support in position by the holding device.
Resumen de: US20260066675A1
The present invention relates to an inverter system (INV) for a photovoltaic system and to a method for operating the inverter system (INV). The inverter system (INV) comprises an inverter unit (WE), ), to which a predetermined number of DC-to-DC converters (B1, . . . , B4) is connected upstream via an intermediate circuit (ZK). The DC inputs (DC1, . . . , DC4) of the inverter system (INV) are formed by the DC-to-DC converters (B1, . . . , B4), which predetermines the number and properties of the DC inputs (DC1, . . . , DC4). The DC inputs (DC1, . . . , DC4) are connected to different direct-voltage units (PV1, PV2, BAT, EC, GE, VB), in particular PV units, energy storage units, etc. A switching unit (SE), which comprises inputs (E1, . . . , E6) for connecting the direct-voltage units (PV1, PV2, BAT, EC, GE, VB), is connected to the DC inputs (DC1, . . . , DC4). The switching unit (SE) is thus arranged between the DC-to-DC converters (B1, . . . , B4) forming the DC inputs (DC1, . . . , DC4) and the direct-voltage units (PV1, PV2, BAT, EC, GE, VB) which are connectable to the switching unit (SE). The different direct-voltage units (PV1, PV2, BAT, EC, GE, VB) connected to the inputs (E1, . . . , E6) are identified (101, 102), and for each direct-voltage unit (PV1, PV2, BAT, EC, GE, VB) connected to an input (E1, . . . , E6) of the switching unit (SE) a current value of at least one power variable is determined (103). The determined current value of the at least one power variab
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: 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: 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: AU2024329709A1
A battery string and a photovoltaic module, belonging to the technical field of photovoltaic modules. The battery string comprises: a first connection wire, and a first cell and a second cell which are electrically connected by means of the first connection wire. The first connection wire extends in a first direction on a first surface of the first cell. The first cell has a first edge and a second edge which are opposite in the first direction; and the first surface of the first cell is provided with a first end wire extending in the first direction, the first end wire being close to the first edge and far away from the second edge. Part of the first connection wire extends onto the first end wire to form an overlap portion, the ratio of the length of the overlap portion to the length of the first end wire being less than or equal to 80%.
Resumen de: AU2024317051A1
A method may include generating current and voltage (I-V) data of a photovoltaic (PV) panel at a plurality of predetermined time intervals during operation of the PV panel. The method may also include generating environmental data of a site of the PV panel at the plurality of predetermined time intervals. In addition, the method may include generating I-V characteristic data based on the I-V data and the environmental data. The I-V characteristic data may be representative of actual operating performance of the PV panel over a predetermined period of time corresponding to a duration of the predetermined time intervals.
Resumen de: AU2026200883A1
MAGNETOHYDRODYNAMIC ELECTRIC POWER GENERATOR A power generator that provides at least one of electrical and thermal power comprising (i) at least one reaction cell for the catalysis of atomic hydrogen to form hydrinos identifiable by unique analytical and spectroscopic signatures, (ii) a reaction mixture comprising at least two components chosen from: a source of H20 catalyst or H20 catalyst; a source of atomic hydrogen or atomic hydrogen; reactants to form the source ofH20 catalyst or H20 catalyst and a source of atomic hydrogen or atomic hydrogen; and a molten metal to cause the reaction mixture to be highly conductive, (iii) a molten metal injection system comprising at least one pump such as an electromagnetic pump that provides a molten metal stream and at least one reservoir that receives the molten metal stream, (iv) an ignition system comprising an electrical power source that provides low- voltage, high-current electrical energy to the at least one steam of molten metal to ignite a plasma to initiate rapid kinetics of the hydrino reaction and an energy gain due to forming hydrinos, (v) a source ofH2 and 02 supplied to the plasma, (vi) a molten metal recovery system, and (vii) a power converter capable of (a) converting the high-power light output from a blackbody radiator of the cell into electricity using concentrator thermophotovoltaic cells or (b) converting the energetic plasma into electricity using a magnetohydrodynamic converter. MAGNETOHYDRODYNAMIC ELECTRIC P
Resumen de: US20260060501A1
A floor brush assembly (1) and a floor cleaning apparatus, belonging to the technical field of floor cleaning. The floor brush assembly (1) comprises: a floor brush main body (10); a roller brush assembly (12), comprising a roller brush (120) and a roller brush holder (121), a second end of the roller brush (120) being sleeved on a roller brush driving shaft, and a handle recess (1213) being provided on the roller brush holder (121); a roller brush handle (13) having a first state of being hidden in the handle recess (1213) and a second state of being exposed outside the handle recess (1213); and a roller brush release member (11) for being snapped onto or separated from the roller brush handle (13), thereby switching the roller brush handle (13) between the first state and the second state. The present invention facilitates detachment and mounting of the roller brush (120).
Resumen de: US20260066633A1
The present disclosure discloses a long-strip power junction box, aiming to provide a long-strip power junction box that saves space, is convenient for adjustment of electrical parameters and can be installed in a slender space. The long-strip power junction box includes a main body, which is internally provided with a power chamber and a plurality of wiring chambers, wherein the plurality of wiring chambers are respectively disposed at two ends of the power chamber, and the power chamber is internally provided with a circuit board, an adjustment module and adjusting holes; the circuit board is electrically connected to the adjustment module, and the adjusting holes correspond to the adjustment module; and a cover plate is disposed on the main body and covers the power chamber and the plurality of wiring chambers. The present disclosure is applied to the technical field of power junction boxes.
Resumen de: US20260066663A1
A power supply system includes at least four direct current converters and an inverter. The inverter includes at least two DC/DC circuits. The inverter controls an input end of one DC/DC circuit in the at least two DC/DC circuits to be short-circuited. The at least four direct current converters detect, in response to a case in which the input end of the DC/DC circuit in the at least two DC/DC circuits is short-circuited, whether output operating parameters of the at least four direct current converters meet a preset operating parameter range, and set a number for a direct current converter that is in the at least four direct current converters and whose output operating parameter meets the preset operating parameter range.
Resumen de: US20260066662A1
A power system and a control method of the power system are provided. The power system determines the operating mode according to the states and parameters of one or more of the power sources, the energy storage device and the hydrogen generation device. The power source and the corresponding power transmission path for hydrogen generation is selected. The selected power source supplies power. The selected power is converted and transmitted to provide the electric power required by the hydrogen generation device through the selected power transmission path. The selected optimal power source and the power transmission path supply power to the hydrogen generation device with stable, continuous, enhanced efficiency and reduced cost.
Resumen de: US20260068333A1
The present application relates to a conductive component, a solar cell string, and a photovoltaic module. An outer periphery of the conductive component is defined with a plurality of welding regions and a plurality of adhesive bonding region. 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 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: US20260068356A1
The disclosure provides a solar cell, a cell component, and a photovoltaic system. The solar cell includes a silicon substrate, first doped layers, second doped layers, a first passivation film layer, and first welding spots. The silicon substrate has a first surface and a second surface opposite each other. The first doped layers are arranged on the first surface. The first doped layers each have several first preset zones. The several second doped layers are arranged on the first preset zones, and the second doped layers are arranged in a spaced manner. The first passivation film layer is arranged on the second doped layers and the first doped layers. The first welding spots are arranged on the first passivation film layer. Orthographic projections of the first welding spots on the first doped layers at least partially overlap orthographic projections of the second doped layers on the first doped layers.
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: 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: 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: 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: 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: 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: 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: 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.
Nº publicación: EP4702588A2 04/03/2026
Solicitante:
MAXEON SOLAR PTE LTD [SG]
Maxeon Solar Pte. Ltd
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.
BOPI
Sede Electrónica
