265 results about "Solar power system" patented technology

The invention discloses a fault diagnosis and remote monitoring system and method for a solar power supply system, and relates to the technical field of fault diagnosis of a solar system, and the system comprises a heterogeneous multi-mode sensing module which collects the multi-dimensional information of an assembly through a plurality of sensors; the memristor storage and calculation integrated unit is used for realizing data filtering and feature extraction; the multi-scale causal diagnosis engine is used for diagnosing faults by fusing deep learning and causal diagrams; a self-adaptive topology communication network ensures data transmission; a digital twinborn monitoring platform and visual operation and maintenance are adopted, and in addition, an intelligent evolution decision and self-reconfiguration sensor network module is further arranged, so that the intelligence and reliability of the system are improved. Through cooperation of multiple modules, accurate fault diagnosis and positioning are realized, the diagnosis time is shortened, stable data transmission is ensured, self-repairing and autonomous learning capabilities are provided, the operation and maintenance cost can be reduced, the power generation efficiency can be improved, and the reliability and economic benefits of a solar power supply system can be enhanced.

Implementations of the disclosed subject matter provides a system having an artificial light source disposed at a distance from earth or other celestial body, where the artificial light source is configured to project one or more beams of light onto the earth or other celestial body. The system may include a photovoltaic array disposed in an area on the earth or other celestial body that is 200 m-20 km or more in any one dimension that is configured to receive the projected one or more beams of light and is configured to convert the received one or more beams of light into electricity.

The invention belongs to the technical field of solar photo-thermal power generation, and discloses a tower type solar power generation system based on lunar soil particle moving bed heat exchange, which utilizes local materials of lunar soil to prepare solid heat storage particles as a heat transfer and heat storage medium, greatly reduces the mass and volume of the system and the cost and risk of transporting materials from the earth, and improves the energy efficiency. The efficient particle moving bed heat exchanger combining the particle receiver and the heat collector utilizes direct efficient contact heat exchange between solid particles and between the particles and a heat exchange working medium, has the characteristics of high heat exchange efficiency, small heat loss and compact structure, and is particularly suitable for space vacuum and microgravity environments; it is ensured that heat is reliably and stably transmitted to the Brayton cycle power generation system from concentrated solar energy, and power is generated through the Brayton cycle power generation system.

The invention discloses a thermoelectric solar power generation power intelligent prediction method, equipment and a medium, belongs to the technical field of thermoelectric solar power generation prediction, and aims to solve the problems that the existing pressure-bearing high-conversion thermoelectric solar power generation power prediction is easy to be subjected to complex influence of various unstable data, so that the prediction of the power generation power is not accurate enough, and the prediction efficiency is low. And the working performance of the power generation system is influenced. The method comprises the following steps: periodically extracting spatio-temporal features of GFS meteorological data to obtain multi-dimensional meteorological features; carrying out characterization analysis on the equipment operation state of the thermoelectric solar power generation system to obtain power generation state characteristics; performing space-time alignment processing on the multi-dimensional meteorological features and the power generation state features, and determining a meteorological-equipment feature mapping relation; dynamically correcting the historical power generation power data to obtain a power correction parameter; and performing weight coefficient prediction processing of related continuous time periods on the current generation power data in the thermoelectric solar power generation system to generate future generation power data.

A toolless fastening assembly for a solar power system including a first strap portion having a first connector, a second strap portion having a second connector, and a boot buckle extending a buckle distance between a first buckle end and a second buckle end. The first buckle end is connectable to the first connector and the second buckle end is connectable to the second connector. The boot buckle includes a latch lever that is rotatable between a first lever position and a second lever position. Rotation of the latch lever from the first lever position to the second lever position shortens the buckle distance.

Provided are a method and apparatus for recording data of a solar power generation system. The method includes storing, in a first manner, first data about a state of at least one apparatus included in the solar power generation system before an event occurs in the at least one apparatus, in a buffer included in a power conversion system (PCS), storing, in a second manner, second data about a state of the at least one apparatus after the event has occurred, in the buffer, based on detecting the event, storing the first data and the second data in a persistent storage device included in the PCS and distinguished from the buffer, and transmitting data stored in the persistent storage device to an external device of the PCS.

To provide a floating solar power generation system that can suppress the adverse effects of moisture and salt. [Solution] A floating solar power generation device 1 is provided, comprising a solar cell module 2 that receives light and generates electricity, a battery 3 that stores the electricity generated by the solar cell module 2, and a transparent housing 4 that has an hermetically sealed internal space 41 that houses the solar cell module 2 and the battery 3, and transmits light of wavelengths that the solar cell module 2 can generate electricity from, wherein the internal space 41 of the transparent housing 4 has a first region 41a where the solar cell module 2 is arranged, and a second region 41b which is arranged vertically below the first region 41a and where the battery 3 is arranged.

Discharge the charge that requires discharge in the inverter device. [Solution] The inverter device comprises an inverter circuit and an inverter control unit. The inverter circuit comprises a DC terminal pair consisting of a first DC terminal and a second DC terminal, an AC terminal pair consisting of a plurality of AC terminals, a first capacitor and a second capacitor connected in series between the first DC terminal and the second DC terminal, and a plurality of switch elements connected between the DC terminal pair and the AC terminal pair in a predetermined connection pattern, each being made of semiconductors and having a parasitic diode. When the inverter control unit detects an interruption in the DC power input from the DC terminal pair, it controls the plurality of switch elements to turn on and off, clamping the voltage of the first capacitor with the reverse voltage of the parasitic diode of the switched element that is turned off, and clamping the voltage of the second capacitor with the reverse voltage of the parasitic diode of the switched element that is turned off.

A solar power system which includes an electric engine power generator assembly to produce and store electrical energy as needed, when solar energy is not available or the level of solar energy is insufficient, to maintain a full or substantially full stored power charge level.

A solar power generation system configured by connecting a plurality of power generation systems including a solar panel and a DCDC circuit unit in parallel includes a first control unit that performs maximum power point tracking control for a host power generation system that is one of the power generation systems, and drives the DCDC circuit unit at a duty cycle corresponding to a maximum power point of the solar panel, and a second control unit that, for each of slave power generation systems other than the host power generation system among the power generation systems, derives a variation ratio of an input voltage or an output voltage of the DCDC circuit unit before and after the maximum power point tracking control is performed by the first control unit, and corrects the duty cycle of the DCDC circuit unit based on the variation ratio.

This application relates to the field of optimized scheduling technology for cascade hydropower systems in river basins, and particularly to a multi-stage collaborative scheduling method and device for integrated hydropower, wind power, and solar power systems. The method includes: acquiring day-ahead and intraday forecast data of photovoltaic and wind turbine output; constructing a day-ahead collaborative optimization model with dual objectives of minimizing power generation water consumption rate and maximizing expected absorbable electricity; solving the day-ahead collaborative optimization model for multi-objective optimization to obtain the day-ahead unit output plan of the hydropower station; and then constructing an intraday rolling correction model with the single objective of minimizing wind and solar curtailment. The day-ahead unit output plan is used as the operating benchmark for the intraday stage. The day-ahead unit output plan is adjusted by solving the intraday rolling correction model to obtain the intraday unit output plan. Thus, through a multi-stage collaborative mechanism of day-ahead benchmark setting and intraday deviation correction, the problem that related technologies are limited to a single time scale and suffer from uneven solution set distribution and poor convergence when solving multi-objective problems, making it difficult to obtain accurate integrated hydropower, wind power, and solar power operation schemes, is solved.

To provide an abnormality detection device for a photovoltaic power generation system that omits a measuring instrument monitoring a current value of a solar cell string itself.SOLUTION: An abnormality detection device 1 for a photovoltaic power generation system comprises: a plurality of solar cell strings 2; a connection box 3 to which the plurality of solar cell strings 2 are connected; a current measurement part 4 which measures a current output from the connection box 3; and an arithmetic part 11 which detects that a solar cell string 2 having decreased in power generation amount is included in the connection box 3, based upon a measurement result of the current measurement part 4.SELECTED DRAWING: Figure 1

A method of forming a concentrated solar power system for generating electricity. The method has three steps. The first step is coupling a plurality of tower segments together onsite at a solar energy concentration field to form a solar tower in a lowered orientation. At least one solar receiver is coupled to the solar tower to form a solar tower assembly. The second step is raising the solar tower assembly to a solar energy collection orientation by pivoting the solar tower assembly about a pivot axis located at a bottom portion of the solar tower. The third step is securing the solar tower assembly in the solar energy collection orientation.

The invention relates to the technical field of solar power generation, and particularly discloses a solar power generation angle adjusting device based on double-shaft tracking. An adjusting groove is formed in the bottom inner wall of the supporting frame, an elevation angle adjusting mechanism is installed in the adjusting groove, an azimuth angle adjusting mechanism is installed at the top end of the elevation angle adjusting mechanism, a detection mechanism is installed at the top end of the azimuth angle adjusting mechanism, and a cleaning mechanism is installed on the outer wall of the detection mechanism. By integrating a plurality of high-precision sensors, such as a double-axis tilt angle sensor, a GPS positioner, a spectrum sensor and the like, sun position data can be accurately acquired in real time, a tracking strategy is dynamically optimized in combination with weather data, the design not only improves the accuracy of angle adjustment of the solar panel, but also predicts the sun trajectory through an AI algorithm, and the tracking accuracy of the solar panel is improved. And the angle is adjusted in advance, so that the efficiency loss caused by mechanical delay is effectively reduced, and the overall power generation efficiency of the solar power generation system is remarkably improved.

According to one embodiment, a solar cell including a transparent first electrode, an n-type layer, a light absorption layer that contains an inorganic material, and a second electrode is provided. The n-type layer is present between the first electrode and the light absorption layer. The light absorption layer is present between the n-type layer and the second electrode. The first electrode has a gap penetrating the first electrode. The n-type layer, the light absorption layer, and the second electrode are each partially included in the gap, and a part of the n-type layer, a part of the light absorption layer, and a part of the second electrode are arranged in this order in the gap.

This invention discloses a micro-off-grid energy storage solar power generation system with protective functions, relating to the field of energy storage and power generation technology. It includes a housing with photovoltaic panels mounted on its top, and a mounting frame housing an energy storage battery and an integrated inverter / controller unit. The system also includes: wind guide components symmetrically installed on the left and right sides of the housing, which guide natural wind to dissipate heat from the energy storage battery, reducing energy consumption and power generation losses; and protective components located on the left and right sides of the housing, which block rainwater to protect the energy storage battery while maintaining good heat dissipation. This micro-off-grid energy storage solar power generation system with protective functions can maximize the utilization of natural wind during use, reducing energy consumption and heat, improving energy storage and power generation efficiency, and providing protection against rain, preventing water ingress without affecting heat dissipation, thereby maintaining the normal operation of the energy storage battery.

This product is a relay connector for a power transmission cable of a solar power generation system.

A concentrated solar power system having a solar energy collection subsystem. The solar energy subsystem has tower extending along a tower axis and a first solar energy receiver movably mounted to the tower. The first solar energy receiver is alterable between a first state and a second state while remaining mounted to the tower, and the first solar energy receiver contains a first heat exchange fluid.

Provided is a switching circuit capable of suppressing a decrease in output power even if the power generated by a plurality of DC-power supply circuits changes, and a DC-power output apparatus, a wireless-power transfer system and a solar-power generation system having the switching circuit. A connection circuit section of the switching circuit, which is disposed between a plurality of plus-input sections and a plurality of minus-input sections, and a plus-output section and a minus-output section, has a plurality of switches capable of respectively controlling a turn on / off so as to switch connection states between the plurality of the DC-power supply circuits, and the plus-output section and the minus-output section.

This technology provides the ability to calculate the location where the solar power generation output of a solar power system is maximized over the entire parking period. [Solution] The vehicle-mounted solar power generation system comprises a vehicle equipped with a solar power generation device, a sensor that detects the surrounding environment of multiple candidate locations where the vehicle can be parked, an acquisition unit that acquires parking time information, parking location information, environmental information including surrounding information, parking timing information, solar radiation information, and performance information, and a calculation unit that uses the information acquired by the acquisition unit to calculate the amount of power generated at each point in time during the parking period for each of the multiple candidate locations, calculates the total amount of power generated by the solar power generation device for each of the multiple candidate locations, and calculates the candidate location with the maximum total power generated among the multiple candidate locations as the parking location for the vehicle.

Operation unit for photovoltaic power generation, photovoltaic power generation stop system using the same, photovoltaic power generation system, and photovoltaic power generation method, capable of suppressing electric shock and fire caused by a photovoltaic power generation panel due to an earthquake and flood damage, and taking into consideration that a correct operation for stopping power generation is performed by preventing an operator's erroneous operation SOLUTION: An operation unit for a hybrid switch that is connected between terminals of a module or a string of a photovoltaic panel to obtain an output and short-circuits the terminals to stop the output includes a first manual switch corresponding to the hybrid switch, a seismic sensor, a water level sensor, a control unit that short-circuits the terminals in the hybrid switch under a predetermined condition, a second manual switch that restarts photovoltaic power generation from DC interruption by the control unit, and a display element that displays that power is being generated.SELECTED DRAWING: Figure 2A

To construct a solar thermal power generation system by using a thermoelectric conversion element requiring no temperature difference.SOLUTION: There is provided a power generation system including a thermal collector tube, in which the thermal collector tube includes a thermoelectric conversion element, the thermoelectric conversion element has a flat plate shape, and the thermoelectric conversion element is housed inside the thermal collector tube.SELECTED DRAWING: Figure 1

A device according to an aspect comprises: at least one memory; and at least one processor, wherein the at least one processor: obtains data of each of a plurality of components included in a photovoltaic power generation system by selectively using any one of power line communication and wireless communication; determines at least one of state information and error information on each of the components on the basis of the data; and outputs at least one of the state information and the error information by using at least one of a flexible numeric display (FND) and a dot matrix.

To provide a control device capable of preparing an operation schedule of a gas hot water supply system while considering generation electric power of a photovoltaic generation system.SOLUTION: A control device 30 includes: an acquisition section 35 that acquires prediction information on a solar radiation amount in a region in which a facility 90 having a photovoltaic generation system 21 and a gas hot water supply system 40 capable of generating electric power during boiling-up of hot water is located; and a preparation section 38 that prepares an operation schedule of the gas hot water supply system 40 on the basis of the acquired prediction information.SELECTED DRAWING: Figure 1

The control device scans the output voltage of the first converter within a predetermined range to search for a maximum-efficiency voltage. At that time, the control device controls the output voltage of the first converter to the first voltage and acquires the output power of the first converter at that time as the first power, controls the output voltage of the first converter to the second voltage changed by the first change width from the first voltage and acquires the output power of the first converter at that time as the second power, and controls the output voltage of the first converter to the third voltage changed by the second change width from the second voltage in order, and sets the second change width to a value larger than the first change width when the second power is smaller than the first power.

To provide a photovoltaic power generation system capable of ensuring the amount of power generation even when the position of the sun changes due to movement. [Solution] The solar power generation system 10 with organism cultivation function is characterized by comprising a first solar panel unit 12 installed at a tilt of a predetermined angle α, a second solar panel unit 14 installed at a tilt of a predetermined angle α so as to face the first solar panel unit 12, a support unit 16 having an isosceles triangular support unit for supporting the first solar panel unit 12 and the second solar panel unit 14 and having a cultivation space for cultivating organisms below the support unit, and a fence unit covering the outer periphery of the support unit 16 to protect the organisms in the cultivation space of the support unit 16.

A solar power generation system includes a thermal energy storage vessel containing a thermal mass composition operable to store thermal energy, solar energy collection system, and power generation system. The collection system comprises a first closed flow loop including a solar collector which absorbs solar energy and heats a first working fluid. The heated first working fluid recirculates through a first closed flow loop through and heats the thermal mass composition. The generation system comprises a second closed flow loop including a turbine-generator. The second closed flow loop recirculates a second working fluid through the thermal mass composition to absorb thermal energy and heat the second working fluid which flows to the turbine and the generator produces electricity. The second working fluid may be water / steam or a compressible gas. The thermal mass composition comprises a mixture of a phase change material such as salt and a metallic material.

The present invention relates to a modular solar power generation system which comprises: a solar panel comprising a plurality of solar cells and support members disposed at either side thereof; a tracking module which enables the solar panel to be rotated along the movement trajectory of the sun; coupling members connected to the support members of the solar panel; and a mounting member for mounting the solar panel onto a structure, wherein a solar panel assembly is formed by connecting the support members of a plurality of solar panels using the coupling members, and the solar panel assembly is mounted onto a structure by connecting the mounting member to the solar panel assembly.

The application discloses a solar-driven electricity-heat-hydrogen-iron co-production system and an operation method thereof. The system comprises a solar power generation system, a water electrolysis hydrogen production system, an electric heating system and a hydrogen-rich metallurgical system. The solar power generation system can be selected from photovoltaic power generation or photo-thermal power generation. Part of the generated electricity enters the water electrolysis hydrogen production system to produce hydrogen, and the other part of the generated electricity heats reducing gas. High-temperature reducing gas reduces iron ore to produce molten iron. When solar energy is sufficient, the solar energy is consumed by increasing the hydrogen production rate and the hydrogen temperature. When solar energy is insufficient, the consumption of solar energy is reduced by reducing the hydrogen production rate and the reducing gas temperature. The impact of solar energy fluctuation on the co-production system is alleviated, and the safe operation of the system is maintained. The application realizes the production of "green hydrogen" by "green electricity". Through the process of "green hydrogen" metallurgy, the utilization rate of solar energy is effectively improved, the carbon emission of the metallurgical process is greatly reduced, and the application is an effective method for consumption of new energy and reduction of carbon emission in high-carbon industries.

The invention relates to the technical field of agricultural facilities, and particularly discloses an intelligent greenhouse system integrating photovoltaic and direct air carbon capture functions, which comprises a greenhouse main body and a solar power generation system, the solar power generation system is provided with a plurality of solar cell panels; the multiple solar cell panels are fixedly laid on the top of the greenhouse body, and at least parts of the back faces of the solar cell panels are connected with the interior of the greenhouse body. CO2 released by respiration of crops in the greenhouse can be adsorbed by the PEI / MCM-41 coating at night or under the condition without illumination, and the released adsorption heat can preserve heat of the greenhouse; in the daytime, heat energy generated during power generation of the solar cell panel can be used for heating the saturated coating, high-concentration CO2 is desorbed and released into the greenhouse for plant photosynthesis, meanwhile, the average temperature of the photovoltaic cell can be reduced, and the power generation efficiency and durability of the photovoltaic cell can be improved.