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184
results.
Updated on
19/06/2025 [07:09:00]
Absstract of: EP4572074A1
This application provides a power converter and a power supply system. A direct current input of the power converter is configured to connect to a photovoltaic module or an energy storage battery. An alternating current output of the power converter is configured to connect to a power grid or a load. The power converter includes a power conversion circuit and a controller. The power conversion circuit is configured to convert a direct current into an alternating current. The controller inputs a plurality of first signals to a direct current input of the power conversion circuit. Frequencies of the plurality of first signals progressively increase or decrease, and amplitudes of the plurality of first signals are the same. An alternating current output of the power conversion circuit outputs a plurality of second signals. The first signals are in a one-to-one correspondence with the second signals. The second signal and the corresponding first signal have a same frequency. Amplitudes of the plurality of second signals change as frequencies of the plurality of second signals progressively increase or decrease. The controller reduces an amplitude of a target second signal, where the target second signal is a second signal whose amplitude is a local maximum value in the plurality of second signals. According to this application, low-frequency oscillation in a working process of the power converter can be reduced.
Absstract of: EP4572134A1
A fixing device (10, 110) for photovoltaic panels, which comprises:- a first bracket (11, 111),- a second bracket (12, 112), arranged below the first bracket (11, 111),- a tension member (13, 113) arranged between the first bracket (11, 111) and the second bracket (12, 112), for moving the second bracket (12, 112) toward/away from the first bracket (11, 111); anda cam (14, 114) which is kinematically connected to a first end (15, 115) of the tension member (13, 113).
Absstract of: EP4572133A1
Bei einer Anordnung zum Halten zumindest eines Photovoltaikmoduls oberhalb einer Fläche, insbesondere oberhalb eines Flachdachs ist vorgesehen, dass die Anordnung zumindest zwei jeweils einen Rand des Photovoltaikmoduls umgreifende Halteeinrichtungen aufweist, dass diese Halteeinrichtungen mit einem und nur einem Profilelement miteinander verbunden sind und dass das Profilelement zumindest einen Aufstellabschnitt zu seinem Aufstellen auf der Fläche hat.Mit dieser Anordnung ist in einfacher Weise eine sichere Haltung und damit winkelige Anstellung eines Photovoltaikmoduls ermöglicht.
Absstract of: EP4571451A1
This application provides a power converter, a method for controlling a power converter, and a power supply system. The power converter is configured to: convert a direct current from a photovoltaic module into an alternating current and transmit the alternating current to a load. The power converter includes a direct current conversion circuit, an inverter circuit, and a controller. An input of the direct current conversion circuit is configured to connect to the photovoltaic module, and an output of the direct current conversion circuit is connected to a bus capacitor of the inverter circuit. The controller is configured to adjust a duty cycle of a switch transistor in the direct current conversion circuit, to change output power of the photovoltaic module. When power of the load is less than a specified threshold, the power converter is controlled to reduce the output power of the photovoltaic module from operating power to zero for at least once, where the operating power is greater than zero and less than rated output power, and when the output power of the photovoltaic module is the operating power, the power converter operates in a maximum power point tracking MPPT mode. According to this application, a maximum power value output by the photovoltaic module can be accurately estimated when the power converter is not connected to a load.
Absstract of: AU2023322327A1
The invention relates to a solar installation (11) having a plurality of solar panels (19) arranged in series, wherein an innermost and an outermost solar panel (19) are provided, and having at least one holding element (13) oriented in the longitudinal direction of the solar installation (11), on which holding element the solar panels (19) are held one behind the other and along which the solar panels (11) can be displaced using engagement means from an extended operating position to a retracted protected position and vice versa, wherein adjacent solar panels (19) are connected to one another in an articulated manner such that a pushing or pulling force can be transferred from one solar panel (19) to an adjacent solar panel (19). The outermost and innermost solar panel (19) are, in the protected position, pushed against one another by a mechanical force, as a result of which a stable packet of solar panels (19) is formed which enables the solar panels (19) to protect themselves against weather influences.
Absstract of: CN119384893A
A process for preparing a perovskite-based ink, said perovskite having the general formula (I): CsPbI3-y Bry (I) wherein y is a number from 0 to 0.2, preferably from 0.05 to 0.1; comprising the following steps: (a) dissolving lead iodide (PbI2) in at least one organic solvent selected from the group consisting of dimethyl sulfoxide (DMSO), dimethylformamide (DMF), gamma-butyrolactone (GBL), gamma-valerolactone (GVL), or a mixture thereof, preferably dimethyl sulfoxide (DMSO), dimethylformamide (DMF), or a mixture thereof, to obtain a first solution; (b) dissolving cesium iodide (CsI) and at least one ammonium salt of general formula (II) in a portion of said first solution obtained in step (a) to obtain a second solution: RxH4-xNI (II) wherein R represents a linear or branched C1-C4 alkyl group, preferably a methyl group, and x is an integer from 2 to 4, preferably 2; (c) dissolving cesium iodide (CsI) and at least one ammonium salt of general formula (III) in a portion of the first solution obtained in step (a) to obtain a third solution: RxH4-xNBr (III) wherein R represents a linear or branched C1-C4 alkyl group, preferably a methyl group, and x is an integer from 2 to 4, preferably 2; (d) mixing the second solution obtained in step (b) with the third solution obtained in step (c) to obtain a perovskite-based ink; characterised in that, in said step (d), the molar ratio of said at least one ammonium salt of general formula (II) to said at least one ammonium salt of general
Absstract of: EP4571323A1
The present disclosure discloses a testing system, a battery production line, and a testing method. The testing system includes a control device and a test device. The test device includes at least two probe card adjustment assemblies. The control device is connected to the test device and configured to adjust the probe card adjustment assemblies according to an adjustment strategy, and drive the adjusted probe card adjustment assemblies to test the battery module currently to be tested. The adjustment strategy is determined based on current module information corresponding to the battery module and historical module information. The historical module information is the module information of a battery module tested last time. The technical solution provided by the embodiments of the present disclosure can quickly adjust the probe card adjustment assemblies to adapt to different battery modules.
Absstract of: CN119677570A
The invention relates to a recreation facility comprising a track system and a vehicle (12) guided on the track system (7), said recreation facility comprising a drive for driving the vehicle (12) and a current supply for the drive. The running track system (7) comprises a raised section (13) which is arranged on the supporting structure in a vertically raised manner above a base surface (11) on which the recreation facility is formed. A plurality of photovoltaic units (8) and/or wind energy units for generating electrical energy are provided on the support structure, which are connected to the at least one energy store (4) for storing electrical energy. The at least one energy store (4) is connected to the drive and/or to a control unit for supplying electrical energy to the drive and/or to the control unit for controlling the recreation facility.
Absstract of: DE102023135663A1
Ein System zum Erreichen eines effizienten Energiehaushalts in einem Gebäude, insbesondere zur höchst-effizienten Nutzung erneuerbarer Energien, umfasst zumindest ein an dem Gebäude anbringbares Modulfeld, welches an dem Gebäude einen Luftkanal zum Einschließen eines Luftpolsters ausbildet. Das System erreicht durch eine absolut innovative Nutzung, insbesondere durch eine einzigartige Zusammenfügung ggf. bereits bekannter oder vorhandener Technologien, bislang ungenutzte Synergieeffekten, indem an dem Gebäude entstehende energetische Verluste auf ein Minimum herabgesetzt und genutzt werden können, um die Effizienz von Einrichtungen zum Generieren oder Umsetzen erneuerbarer Energien zu erhöhen. Ausführungsformen können einen das Gebäude umschließenden Luftkanal aufweisen, um in der Beschreibung erläuterte Synergieeffekte im Verbund zu nutzen. Insbesondere kann ein solcher Luftkanal mit einem Lufterdkollektor, einem Dachfirstabzugspunkt und einer Wärmepumpe verbunden sein, um den Arbeitspunkt der Wärmepumpe durch Zuführen erwärmter Luft verbessern zu können. Zudem kann ein konsequenter Aufbau von Dämmebenen (am Dach etwa mit reflektierenden Elementen und an der Fassade mit regelbaren Dämmmassen) im Verbund mit einem Modulfeld ein Höchstmaß an effizientem Energiehaushalt ermöglichen. Ein etwaiger zusätzlicher Energiebedarf kann durch ein ergänzendes innovatives System mit aufstellbaren Solarpaneelen ausgeglichen werden.
Absstract of: DE102023135386A1
Die Erfindung betrifft eine Gleitlageranordnung mit einer Dichtungsanordnung und ein Antriebssystem für Solarpaneele eines Nachführungssystems.
Absstract of: EP4572071A1
A photovoltaic power generation system and a photovoltaic power generation system control method are disclosed, to implement fast frequency support. The photovoltaic power generation system includes: a direct current converter, configured to connect an output of a photovoltaic module and perform voltage conversion on a direct current output by the photovoltaic module; an inverter, configured to convert a direct current output by the direct current converter into an alternating current and output the alternating current to a power grid; and a first controller, configured to generate a first drive signal based on two of a first voltage of the direct current of the direct current converter, an active power output by the inverter, and an operating parameter of the power grid, and control an operating state of the inverter based on the first drive signal.
Absstract of: EP4571850A1
Provided are a solar cell, a method for preparing a photovoltaic module, and a photovoltaic module. The solar cell includes: a substrate, a first dielectric layer and a first doped conductive layer. The substrate has a first surface and a second surface opposite to the first surface. The first surface includes alternating electrode regions and non-electrode regions, and transition regions, where each respective transition region of the transition regions is abutted on one side by a respective electrode region of the electrode regions and on an opposing side by a respective non-electrode region of the non-electrode regions, and has a first surface structure, the first surface structure includes a plurality of prism structures inclined towards the respective electrode region, and the plurality of the prism structures are sequentially disposed at least along an extension direction of the transition region. The first dielectric layer is formed over the respective electrode region.
Absstract of: AU2023321683A1
A system and method for installing solar panels are provided. The method obtains an image of a solar panel during an in-progress solar installation and estimates features of the solar panel based on a first image using distance simulation, geometric correction, and/or angular adjustment. The method also generates control signals, based on the estimated features, for operating a robotic controller for picking the solar panel. The method also obtains a second image of the solar panel when the solar panel is in a perspective view and detects placement of the solar panel based on the image by determining if the solar panel is co-planar with and at a predetermined offset from a fixed solar panel. Based on the detected placement, control signals are generated for operating a second robotic controller for aligning the solar panel with the fixed solar panel.
Absstract of: AU2023321683A1
A system and method for installing solar panels are provided. The method obtains an image of a solar panel during an in-progress solar installation and estimates features of the solar panel based on a first image using distance simulation, geometric correction, and/or angular adjustment. The method also generates control signals, based on the estimated features, for operating a robotic controller for picking the solar panel. The method also obtains a second image of the solar panel when the solar panel is in a perspective view and detects placement of the solar panel based on the image by determining if the solar panel is co-planar with and at a predetermined offset from a fixed solar panel. Based on the detected placement, control signals are generated for operating a second robotic controller for aligning the solar panel with the fixed solar panel.
Absstract of: EP4570801A1
The present invention provides a phenanthroline compound and an organic thin film including the phenanthroline compound each capable of providing excellent electron injection properties and electron transport properties when used in an electron injection layer of an organic electroluminescent device. The present invention relates to a phenanthroline compound represented by the following formula (1):wherein R<sup>1a</sup> to R<sup>1d</sup> each independently represent a hydrogen atom, an aromatic hydrocarbon group optionally having a substituent, or an aromatic heterocyclic group optionally having a substituent; R<sup>2a</sup> and R<sup>2b</sup> each independently represent a dialkylamino group optionally having a substituent, and the dialkylamino group optionally having a substituent may form a ring structure; R<sup>3a</sup> and R<sup>3b</sup> each independently represent a hydrogen atom, an aromatic hydrocarbon group optionally having a substituent, an aromatic heterocyclic group optionally having a substituent, -R<sup>4</sup>=R<sup>5</sup>-R<sup>6</sup> (where R<sup>4</sup> and R<sup>5</sup> each represent CH or N and R<sup>6</sup> represents a hydrogen atom, an aromatic hydrocarbon group optionally having a substituent, or an aromatic heterocyclic group optionally having a substituent), or - R<sup>7</sup>-R<sup>8&
Absstract of: EP4572135A1
The present invention discloses a photovoltaic assembly for a portable solar energy system, the photovoltaic assembly comprising: a row of interconnected photovoltaic laminates; a foldable stiffening and/or supporting structure comprising articulated members, the foldable stiffening and/or supporting structure being movable between a folded position, in which the articulated members are received in a receiving zone provided in the photovoltaic assembly, and an operative position, in which the foldable stiffening and/or supporting structure protrudes out from the receiving zone; and wherein the receiving zone comprises at least one intermediate region located adjacent to contiguous longitudinal side edges of adjacent photovoltaic laminates, said intermediate region being configured to receive therein in the folded position one or more of the articulated members of the stiffening and/or supporting structure, which further comprises at least one beam arranged in at least one intermediate region being joined to adjacent longitudinal side edges of the photovoltaic laminates.
Absstract of: EP4572069A1
The present application discloses a combiner device, a photovoltaic system and a fault detection method. The combiner device comprises at least two photovoltaic strings connected in parallel; and further comprises a current measurement circuit, a voltage measurement circuit, an insulation resistance measurement circuit and a controller. The current measurement circuit is used for measuring the current of each photovoltaic string; the voltage measurement circuit is used for measuring the voltage of the photovoltaic strings connected in parallel; the insulation resistance measurement circuit is used for measuring the insulation resistance of the photovoltaic strings connected in parallel; and the controller determines, according to the current, the voltage and the insulation resistance, whether the photovoltaic strings have a reverse connection fault. When performing determination on the photovoltaic strings, three parameters, i.e., the current, the voltage and the insulation resistance, are comprehensively determined, so that whether the photovoltaic strings really have the reverse connection fault can be accurately determined, and the impact on power generation capacity caused by erroneous determination is reduced. Whether the reverse connection fault occurs cannot be accurately determined only by means of the current, and other faults may also cause current reverse.
Absstract of: EP4571852A1
A photovoltaic module includes a first sealing member, a pad strip, a solar cell string, and a second sealing member. A cross-linking rate of a material of the second sealing member is higher than that of a material of the first sealing member. The first sealing member, the solar cell string, and the second sealing member are sequentially arranged along a thickness direction of the photovoltaic module. The pad strip is located around the solar cell string and located between the first sealing member and the second sealing member. The pad strip is made of a same material as the first sealing member. A thickness of the first sealing member, a thickness of the second sealing member, and a thickness of the pad strip all gradually decrease along a length direction of the photovoltaic module towards an edge of the photovoltaic module.
Absstract of: EP4572138A1
The present invention relates to a method of a assigning tracker control unit identifier to each of a plurality of solar tracking control units (TCU; 110), each solar tracking control unit (TCU; 110) associated with a solar photovoltaic (PV) tracking structure (100) and configured to control a tilt thereof about one or more axes, the method comprising: providing (405) a first data set to a network control unit (NCU; 310), the network control unit (NCU; 310) configured to establish a communications network (300) with the plurality of solar tracking control units (TCU; 110), or at least a part thereof, the first data set comprising data representing a respective geographical location of a plurality of, e.g. each of, the plurality of solar tracking control units (TCU; 110), obtaining (406), by the network control unit (NCU; 310), a second data set comprising data representing a geographical location, from at least one, some, or all of the plurality of solar tracking control units (TCU; 110), and determining (407) whether a geographical location of the second data set matches, e.g. within a certain threshold or tolerance, a geographical location of the first data set, and if matching, assigning (407) a tracker control unit identifier to or for the solar tracking control unit (TCU; 110) that provided the matching geographical location of the second data set to the network control unit (NCU; 310).
Absstract of: EP4572568A1
Disclosed are a solar cell (300), a method for manufacturing the same, and a photovoltaic module. The solar cell (300) includes: a substrate (100) having a front side (101) and a back side (102) opposite to each other, a first doped layer (110) and a second doped layer (120) alternately arranged along a first direction (X) on the back side (101), and a first electrode (130) and a second electrode (140). The first doped layer (110) and the second doped layer (120) adjacent to the first doped layer (110) are separated by an isolation region (103). A portion of the back side (102) located at the isolation region (103) is exposed. The first doped layer (110) has a first slope sidewall (111) facing the isolation region (103), and the second doped layer (120) has a second slope sidewall (121) facing the isolation region (103).
Absstract of: EP4572046A1
The inlet terminal for a cable duct for feeding electrical cables from solar panels through a roof comprising a plurality of cable ports for receiving electrical cables therein, characterized in that each port of the plurality cable ports comprises at least one manually removable breakaway portion for shielding an opening of said port.
Absstract of: EP4572132A1
La présente invention concerne une couverture pour abri photovoltaïque, la couverture comprenant une structure de support et au moins deux panneaux photovoltaïques (31, 32), juxtaposés de telle sorte qu'une portion de leurs champs externes (52) soient en regard l'un de l'autre, et entourent un joint d'étanchéité (6). Selon l'invention, la couverture comprend au moins une pince de serrage (7), dont les mors prennent appui sur les cadres (314, 324) des panneaux photovoltaïques (31, 32) juxtaposés et qui présente des moyens de réglage permettant de rapprocher les cadres (314, 324) des panneaux photovoltaïques (31, 32) juxtaposés et ainsi de comprimer le joint (6).L'invention concerne également un procédé d'assemblage d'une telle couverture pour abri photovoltaïque.
Absstract of: EP4570860A1
The invention relates to coumarin thioester compounds, their preparation process and their use as photoinitiators, preferably as photoinitiators activable under 250 to 550 nm, in particular 250 to 460 nm, light irradiation, notably to cure formulations comprising one or more ethylenically unsaturated compounds.
Absstract of: EP4572137A1
The present invention concerns a method for determining a single-diode model for a photovoltaic array, the single-diode model enabling to model the current-voltage characteristic of the photovoltaic array as a function of several parameters, the method comprising:- a phase for determining measured values for the photovoltaic array,- a phase for optimizing only one parameter, called target parameter, of the single-diode model,- a phase for calculating the values of other parameters of the single-diode model on the basis of the optimized value of the target parameter and of cardinal values, so as to obtain an optimized single-diode model for the photovoltaic array.
Nº publicación: EP4572136A1 18/06/2025
Applicant:
BENESIA AG [CH]
Benesia AG
Absstract of: EP4572136A1
The present invention relates to a method for providing an autonomous maintenance of solar panels, comprising at least one autonomous maintenance cycle comprising a cleaning of a surface area of the solar panels exposed to light by a cleaning unit of a robot comprising at least one suitable cleaning assembly, and a subsequent coating of the surface area of the solar panels exposed to light by a coating unit of a robot comprising at least one suitable coating assembly, comprising applying of a protective coating composition comprising at least one SiOz generating agent. The present invention also provides the robots used for performing the above-mentioned methods.
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