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POWER CONVERSION DEVICE

Resumen de: WO2025135927A1

A power conversion device according to an embodiment of the present invention comprises: a switching element; a temperature sensing element for measuring the temperature of the switching element; and a control unit for calculating an outdoor air temperature from the temperature measured by the temperature sensing element by using a temperature transfer function of the switching element, wherein the temperature transfer function represents an estimated temperature of the switching element according to output power.

Solarzellentestverfahren, Solarzellentestvorrichtung und computerlesbares Medium

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.

Solarzellentestverfahren, Solarzellentestvorrichtung und computerlesbares Medium

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.

ELECTRONIC DEVICE, AND OPERATING METHOD OF ELECTRONIC DEVICE

Resumen de: WO2025135391A1

The present disclosure provides an electronic device for photovoltaic power generation simulation. The electronic device can acquire at least one piece of information for performing photovoltaic power generation simulation on a device having a photovoltaic power generation function, transmit at least one piece of information including window transmission loss rate-related information to a server, receive result data of the photovoltaic power generation simulation from the server, and display, on the basis of the result data, a recommended arrangement area and first information related to a photovoltaic power generation effect on a space or a map associated with the space. The information about the photovoltaic power generation effect can be acquired on the basis of the window transmission loss rate-related information.

DAMPED BEARING ASSEMBLY FOR SOLAR TRACKERS

Resumen de: WO2025133412A1

The invention relates to a bearing assembly for solar tracker rotation profiles, which comprises a bearing support that attaches to a support post, and a rotating frame. The bearing assembly comprises a sleeve arranged between the rotating frame and the rotation profile. The sleeve is a damping element, such that it absorbs impact between the rotating frame and the rotation profile during relative accelerations between the two structural elements. The surfaces of the damping sleeve and/or of the rotation profile that are to be in mutual contact may comprise an adhesive to facilitate installation and operation. The damping sleeve may comprise one or more channels at the two longitudinal ends thereof. If there is only one channel, the channel may run along the entire perimeter edge of the border that surrounds the rotation profile, closing on itself.

DAMPING BELT FOR SOLAR TRACKERS

Resumen de: WO2025133411A1

The invention relates to a damping belt (1) for solar trackers, for attaching panels to a rotation shaft of a solar tracker, which comprises at least one vibration-damping device (2) with a rigid central body (3), the upper part of which comprises a plate (4) for fastening the solar panels thereon, while the lower part thereof comprises a crosspiece (5) disposed in the longitudinal direction of the belt (1) in an operative position, the ends thereof being embedded in blocks (6) of elastic material. The blocks (6) are joined to flat bars (7), the flat bars (7) having tabs (7.1) for attaching the vibration-damping device (2) to the damping belt (1), such that the blocks (6) sit on the bottom (1.2) of a channel in the damping belt (1) and the rigid central body (3) has freedom of movement perpendicular to the plane of the panel to damp vibrations in the operative position.

PHOTOVOLTAIC ENERGY STORAGE SYSTEM

Resumen de: WO2025130721A1

Provided in the present application is a photovoltaic energy storage system, comprising: an inverter, an energy storage device and a voltage compensation assembly. The inverter comprises a direct-current conversion circuit, a direct-current bus, an inverter circuit and a first switch, wherein a positive input end of the direct-current conversion circuit is used for connecting to a positive electrode of a photovoltaic assembly, and a negative input end of the direct-current conversion circuit is used for connecting to a negative electrode of the photovoltaic assembly; and the first switch is disposed between a connection point of the voltage compensation assembly and the negative input end of the direct-current conversion circuit and a negative electrode of the direct-current bus, and is used for controlling connection and disconnection between the voltage compensation assembly and the negative electrode of the direct-current bus. The photovoltaic energy storage system further comprises a controller, which is used for, when an output voltage and/or an output current of the photovoltaic assembly is less than or equal to a threshold value, controlling the first switch to be disconnected and controlling the voltage compensation assembly to operate, so that the voltage of the negative electrode of the photovoltaic assembly relative to the ground is raised to a zero voltage or a positive voltage. According to the solution, PID compensation can be carried out on a photovoltaic assem

SOLAR CELL TEST METHOD, SOLAR CELL TEST DEVICE, AND COMPUTER-READABLE MEDIUM

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.

SYSTEM AND METHOD FOR COOLING A LOAD USING RENEWABLE ENERGY

Resumen de: US2025207819A1

A system may include a solar collector configured to receive sunlight, wherein the solar collector includes a solar thermal collector and a photovoltaic (PV) module. A system may include a hot energy storage (HES) configured to receive solar heat from the solar thermal collector and heat the HES to a first temperature range. A system may include a cold energy storage (CES). A system may include a refrigeration unit for cooling the CES to a second temperature range less than the first temperature range. A system may include a thermodynamic generator configured to provide electricity to the refrigeration unit based on a temperature difference between the HES and a heat sink. A system may include a load including one or more electrical devices and a load fluid circuit for cooling the load, wherein the load fluid circuit is in thermal communication with the CES.

SOLAR TRACKING SYSTEM

Resumen de: WO2025136676A1

A solar tracing system includes a torque tube (1810), a first single frame structure (1600) coupled to the torque tube (1810), and a second single frame structure (1700) coupled to the torque tube (1810). The first single frame structure (1600) includes first frame structure first and second module receptacles (1610,1612) at opposite sides of the first frame structure (1600), a first pair of solar modules (1602a, 1602b) received at the first frame structure first and second module receptacles (1610,1612), a first frame structure coupling flange (1614), and a first frame structure coupling flange receptacle (1618). The second single frame structure (1700) includes second frame structure first and second module receptacles (1710,1712) at opposite sides of the second frame structure (1700), a second pair of solar modules (1602c, 1602d) received at the second frame structure first and second module receptacles (1710,1712), a second frame structure coupling flange (1714), and a second frame structure coupling flange receptacle (1718).

SOLAR CELL TEST METHOD, SOLAR CELL TEST DEVICE AND COMPUTER-READABLE MEDIUM

Resumen de: WO2025131174A1

The invention relates to a solar cell test method, a solar cell test device and a computer readable medium for implementing the solar cell test method. In the solar cell test method, two current-voltage curves are ascertained at a contacted solar cell. Then, from each of the two curves, an emitter voltage curve is derived is each case, from which a charge change curve is ascertained by means of point-wise difference calculation. Then, a diffusion capacity curve is ascertained by means of point-wise quotient calculation between the charge change curve and a numeric temporal derivation of the emitter voltage curve. Then, a diffusion capacity function, which depends on a doping concentration as a free parameter, is adjusted to the ascertained diffusion capacity curve such that as a result of the adjustment, a doping concentration value for the doping concentration of the contacted solar cell is determined.

PEROVSKITE-SILICON TANDEM SOLAR CELL AND PREPARATION METHOD THEREFOR

Resumen de: WO2025130947A1

Provided are a perovskite-silicon tandem solar cell and a preparation method therefor. The perovskite-silicon tandem solar cell comprises a silicon-based battery, an ITO intermediate composite layer, a first hole transport layer, a second hole transport layer, a perovskite light absorption layer, a first electron transport layer, a second electron transport layer, a top transparent conductive layer, and a conductive metal electrode, which are all sequentially stacked. The perovskite-silicon tandem solar cell of the present application can fully achieve the advantages of perovskite batteries and crystalline silicon batteries, reduce the effect of humidity and oxygen on the perovskite material while reducing the optical coupling effect of the perovskite material and the crystalline silicon material, lower the interface effect, and improve the efficiency and stability of the perovskite-silicon tandem solar cell.

OVERVOLTAGE TREATMENT METHOD AND SYSTEM FOR PHOTOVOLTAIC TRANSFORMER AREA BASED ON FLOATING NEUTRAL WIRE VOLTAGE

Resumen de: WO2025130570A1

Disclosed in the present invention are an overvoltage treatment method and system for a photovoltaic transformer area based on a floating neutral wire voltage. The method comprises: a controller collecting a voltage U of a photovoltaic transformer area and a voltage U0 of a neutral point of a transformer; comparing the collected voltage data with a set threshold; on the basis of the comparison result, generating a control instruction for cancellation and compensation; and a neutral wire voltage regulator receiving the instruction, and performing voltage control. A floating neutral wire is introduced between a photovoltaic power supply and a neutral point of a grid-connected transformer, and a neutral wire voltage regulator is arranged at the floating neutral wire. The direction and the amplitude of the neutral wire voltage regulator are adjusted, so that the neutral wire voltage regulator adapts to the voltage problem of a transformer area in different states. Moreover, by adjusting the voltage of the neutral point side of the grid-connected transformer, the voltage of the neutral point of the grid-connected transformer is zero.

CONTINUOUS-WAVE PEROVSKITE POLARITON LASER DEVICE AND LASER CHIP

Resumen de: WO2025130345A1

Disclosed in the present invention are a continuous-wave perovskite polariton laser device and laser chip. A gain medium of the continuous-wave perovskite polariton laser device is a perovskite material or a mixed material containing the perovskite material, and is in the form of a thin film, a microcrystal, fluorescent powder, a nanocrystal, a quantum dot or a single crystal. A perovskite gain medium is prepared by means of a solution method or a vacuum coating method, and by combining the perovskite gain medium with an optical resonant cavity, steady-state exciton-polariton condensation is formed by means of strong interaction between excitons and photons, and low-threshold continuous-wave polariton laser emission can be achieved without the need to meet conventional laser device population inversion conditions. The laser device can implement room-temperature low-threshold continuous-wave or pulse lase emission under various coherent and incoherent light sources or electrical excitation pumping, the threshold of the laser device is 1-3 orders of magnitude lower than the thresholds of conventional semiconductor laser devices, and the optimized threshold can reach 0.1-1 W/cm2 or below; and the laser device relates to a novel ultra-low power coherent light source technology.

SYSTEM FOR AN EFFICIENT ENERGY MANAGEMENT IN A BUILDING

Resumen de: WO2025132166A1

A system (11) for achieving an efficient energy management in a building (13), in particular for a highly efficient use of renewable energies, comprises at least one module array (19, 20) which can be attached to the building (13) and which forms an air duct (29) on the building (13) for enclosing an air cushion (27). The system (11) achieves previously unused synergistic effects by means of an absolutely innovative use, in particular by means of a unique combination of possibly already known or existing technologies, in that energy losses occurring on the building (13) can be reduced to a minimum and used in order to increase the efficiency of devices for generating or converting renewable energies. Embodiments can have an air duct (29) enclosing the building (13) in order to use synergistic effects explained in the description in conjunction with one another. In particular, such an air duct (29) can be connected to an air-to-soil collector (41), a roof ridge draw-off point and a heat pump (37) in order to be able to improve the operating point of the heat pump (37) by supplying heated air. In addition, a systematic construction of insulating layers (for example, with reflective elements on the roof and with controllable insulating materials on the facade) in conjunction with a module array (19, 20) can provide an energy management that is as efficient as possible. Any additional energy requirement can be compensated for by a supplementary innovative system (69) comprising e

GRAPHENE-COATED SILVER POWDER AND HETEROJUNCTION LOW-TEMPERATURE SILVER PASTE, AND PREPARATION METHODS THEREFOR

Resumen de: WO2025130280A1

A graphene-coated silver powder and a heterojunction low-temperature silver paste, and preparation methods therefor. The graphene-coated silver powder is prepared by utilizing the following method: adding graphene and a dispersing agent to a silver powder, and conducting ball milling, so as to obtain the graphene-coated silver powder. The raw materials of the heterojunction low-temperature silver paste comprise, in percentages by weight: 86-93% of a silver powder mixture, 7-10% of an organic carrier, and 0.5-1% of a curing agent, wherein the silver powder mixture comprises a flaky silver powder, a spherical silver powder and the graphene-coated silver powder. Compared with the prior art, the surfaces of silver particles are coated with graphene in one step by means of a high-energy ball-milling process, thereby achieving effective combination of the graphene with the surfaces of the silver particles and further improving the overall conductivity of the silver particles and the conductivity of the heterojunction low-temperature silver paste.

SOLAR CELL AND PHOTOVOLTAIC MODULE

Resumen de: WO2025130417A1

The present application relates to the technical field of photovoltaics. Disclosed are a solar cell and a photovoltaic module, aiming to reduce the risk of cracking of a solar cell. The solar cell comprises a cell body, collector electrodes and first interconnection structures, wherein at least some regions of different first interconnection structures distributed at intervals in a second direction are located on the same connecting line; the number of connecting lines located in the same target surface is N1, the number of first interconnection structures intersecting with a target line segment located in the target surface is N2, where (I), and the target line segment is a connecting line segment between a midpoint of the longer one of two edges of the target surface that extend in a first direction and distributed opposite each other and an endpoint of a vertex angle corresponding to the shorter one of the two edges; alternatively, the number of connecting lines intersecting with a vector line segment having an inclination angle of 45° is N3, and the number of first interconnection structures intersecting with at least one the same vector line segment having the inclination angle of 45° is N4, where N3>N4.

NOVEL SLOT STRUCTURE FOR DOUBLE GLASS EDGE BANDING, AND DOUBLE GLASS EDGE BANDING MACHINE

Resumen de: WO2025130360A1

The present disclosure relates to the technical field of photovoltaic edge banding. Disclosed are a novel slot structure for double glass edge banding, and a double glass edge banding machine. The novel slot structure comprises elastic slot strips and pull rods. Each elastic slot strip comprises a vertical edge and side edges; the side edges are integrally formed at the top and the bottom of the vertical edge, the side edges are inclined toward the perpendicular bisector of the vertical edge, the vertical edge and the two side edges form a triangular structure having a fitting opening, and a plurality of locking slots are formed in the outer side surfaces of the side edges in the length direction of the side edges. Each pull rod comprises two elastically connected transverse rods; and lock hooks are fixedly connected to the bottoms of the transverse rods. The elastic slot strips are respectively fitted to four sides of a double glass assembly, each pull rod is used for connecting two opposite elastic slot strips, and the lock hooks abut against the side walls of the locking slots. The edge banding mode using adhesive tapes is abandoned, and the fitting mode is used for edge banding, so that edge banding members can be recycled, the cost is reduced, high edge banding strength is achieved, and the edge banding effect is improved.

PHOTOVOLTAIC MODULE COMPRISING A POLYMER-BASED AND RAISED ENCAPSULATION STRUCTURE

Resumen de: WO2025132703A1

The invention relates to a photovoltaic module (1) comprising: - a photovoltaic unit (6) comprising a plurality of photovoltaic cells (3) electrically connected in series and spaced apart from one another, wherein the adjacent photovoltaic cells are electrically connected in pairs by a metal interconnector (4) that extends at least partially into an interconnection space (2) separating the adjacent photovoltaic cells; - a polymer-based encapsulation structure (8) sandwiching the opposite faces (9, 9b) of the photovoltaic cells, wherein the encapsulation structure defines a cell overlap region (10), and wherein the interconnector in the interconnection space defines an interconnector overlap region (11), characterised in that the smallest thickness (egap) of the interconnector overlap region is less than the smallest thickness (ec) of the cell overlap region.

WIND-SOLAR STORAGE DISTRIBUTED COORDINATED CONTROL METHOD AND APPARATUS, COMPUTER DEVICE, AND MEDIUM

Resumen de: WO2025129949A1

The present application relates to the technical field of new energy, and provides a wind-solar storage distributed coordinated control method and apparatus, a computer device, and a medium. The wind-solar storage distributed coordinated control method comprises: acquiring a topological structure between a plurality of wind-solar storage nodes in a wind-solar storage station; on the basis of the topological structure, dividing each wind-solar storage node and obtaining at least one wind-solar storage node set; determining first energy storage data of each wind-solar storage node in each wind-solar storage node set, the first energy storage data enabling the sum of complementary coefficients between each wind-solar storage node in the wind-solar storage node set to be the maximum; inputting each item of first energy storage data into a pre-constructed optimization configuration model, and determining the optimized power of each wind-solar storage node; and, on the basis of each optimized power, controlling each wind-solar storage node. According to the present application, the allocation of distributed energy output in a wind-solar storage station is optimized, and the fluctuation of distributed energy output power is smoothed, thereby maximizing the benefits of the wind-solar storage station.

PROFILE MOUNTING ASSEMBLY, PHOTOVOLTAIC SYSTEM AND PHOTOVOLTAIC SYSTEM MOUNTING METHOD

Resumen de: WO2025129884A1

The present application relates to a profile mounting assembly, a photovoltaic system and a photovoltaic system mounting method. The profile mounting assembly is configured to join and fix profiles together, a side slot is configured in one side of each profile, and the profile mounting assembly comprises a main pressing block (100) and an auxiliary pressing block (200), wherein a first joining portion (110) is provided on one side of the main pressing block (100), and the first joining portion (110) is configured to be joined to the side slot of one profile; the auxiliary pressing block (200) is fixedly connected to the side of the main pressing block (100) that is opposite the first joining portion (110); and a second joining portion (210) is provided on the auxiliary pressing block (200), the second joining portion (210) is configured to be joined to the side slot of another profile, and the second joining portion (210) is configured in such a way that the dimension thereof in a first direction is gradually increased from the side thereof away from the first joining portion (110) to the side thereof close to the first joining portion (110), the first direction being a direction of the slot width of the side slot when the first joining portion (110) is joined to the side slot.

BIFACIAL SOLAR CELL, BATTERY MODULE AND PHOTOVOLTAIC SYSTEM

Resumen de: WO2025129865A1

The present invention is applicable to the technical field of solar cells. Provided are a bifacial solar cell (100), a battery module (200) and a photovoltaic system (1000). In the bifacial solar cell (100), a silicon substrate (10) has a first surface (11) and a second surface (12), which are opposite each other, wherein a first doped layer (20) is located on the first surface (11), and is provided with several first electrode arrangement regions (21); several first barrier layers (30) are located on the first electrode arrangement regions (21) and are arranged at intervals in a first predetermined direction, such that each first electrode arrangement region (21) comprises a first shielded region (212) shielded by the corresponding first barrier layer (30) and a first non-shielded region (211) not shielded by the corresponding first barrier layer (30); a first passivation film layer (40) covers the first barrier layers (30) and the first doped layer (20); a first grid line electrode (50) is arranged in the first electrode arrangement regions (21) and is located above the first doped layer (20) and the first barrier layers (30); the first grid line electrode (50) is made of a fire-through paste; at the first shielded regions (212), the first grid line electrode (50) penetrates the first passivation film layer (40) to come into contact with the first barrier layers (30) but not come into contact with the first doped layer (20); and at the first non-shielded regions (211), the

SYSTEM FOR THE GENERATION AND TRANSMISSION OF HIGH-VOLTAGE DIRECT CURRENT

Resumen de: WO2025132716A1

A system comprising a high-voltage direct current (HVDC) transmission line (10) carried by pylons (20), a high-voltage PV generator (30) connected to the high-voltage direct current transmission line (10), a power conversion equipment (40) with an input connected to the high-voltage direct current transmission line (10) and an output connectable to an AC or DC grid (50), comprises at least one of a point-source, a load and a network. A high-voltage output of the high-voltage PV generator (30) is directly connected (11) to a transmission pole (12) of the high-voltage direct current transmission line (10). The high-voltage PV generator (30) comprises at least one row of PV modules (35) which are directly serially connected (31) along a meandering arrangement. The single PV modules (35) and the rows are connected to independent power lines. The independent power lines are mechanically and/or electrically connected to the pylons (20) directly.

NOVEL MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES

Resumen de: WO2025132524A1

The present invention relates to novel compounds (materials) and organic electroluminescent devices such as OLEDs (organic light emitting diodes) that contain these compounds, for example as hole transport or hole injection materials. The invention also relates to mixtures that contain these novel compounds.

SEMI-RIGID SOLAR PANEL ARRAY

Nº publicación: WO2025132553A1 26/06/2025

Solicitante:

AIRBUS NETHERLANDS B V [NL]
AIRBUS NETHERLANDS B.V

Resumen de: WO2025132553A1

The present invention relates to a semi-rigid solar panel for a spacecraft comprising a frame (112); and one or more solar power modules (103) placed within the frame (112); wherein at least one side of the one or more solar power modules (103) connects to the frame (112)by a sliding connection (120), allowing the one or more solar power modules (103) to slide within the frame (112); wherein the sliding connection (120) is attached to the frame (112) by a connection flange (121) protruding from the frame (112) towards the side of the solar power module (103) and extending substantially parallel to a plane defined by the solar power module (103).