5970results about "PV power plants" patented technology

A system for supplying power to a portable battery pack including a battery enclosed by a wearable and replaceable pouch or skin using at least one solar panel is disclosed, wherein the pouch or skin can be provided in different colors and / or patterns. Further, the pouch or skin can be MOLLE-compatible. The battery comprises a battery element housed between a battery cover and a back plate, wherein the battery element, battery cover, and back plate have a slight curvature or contour. Further, the battery comprises flexible leads.

Systems, methods, and apparatuses for supplying power to at least one power consuming device using a solar panel. The solar panel includes at least two solar modules, an output connector, and a cable. The at least two solar modules are connected via a first electrical harness in a first combination of parallel and / or series to provide a first output voltage and via a second electrical harness in a second combination of parallel and / or series to provide a second output voltage. The at least one power consuming device is preferably a rechargeable battery.

The invention provides a method and system for monitoring the running state of a photovoltaic power station in real time, and relates to the technical field of photovoltaic power station monitoring, and the method comprises the steps: integrating a multi-mode sensor array in a photovoltaic module junction box, and collecting the sensor data of the photovoltaic power station in real time; performing localization preprocessing on the sensor data through an edge computing node, and transmitting different priority data to a cloud based on a dynamic hybrid communication protocol; sensor data are fused at the cloud, a four-dimensional digital twinborn model is constructed, and time-space continuous meteorological prediction, component aging and dust retention evolution data are fused; recognizing the fault mode of the photovoltaic power station, and dynamically optimizing the string topological structure of the photovoltaic power station in combination with the real-time operation state of the photovoltaic power station, the equipment health data and the fault mode recognition result; by integrating the distributed sensor, the edge calculation module and the intelligent alarm mechanism, the problems of delay, insufficient intelligent analysis and response lag in the prior art can be effectively solved.

A solar table mobile transport with sideshift capability is described that moves a solar table to a point of installation. The solar table mobile transport comprises multiple motors that allow movement within a three-dimensional coordinate system as well as provide angular controls of pitch, yaw, and roll. Extended horizontal movement of the solar table is provided by a sideshift element that extends the solar table beyond an edge of a transport component of the solar table mobile transport. The mobile transport may incorporate wings to prevent the solar table from rotating during transportation. The wings may be adjustable such that the solar table may be maneuvered in height and pitch / roll / yaw angle into an installation instance before unloading. Such a capability of sideshft in combination of instance adjustment facilitates an installation process of the solar table.

A solar panel mounting system can include a first panel mount including a first retaining feature attached to or attachable to a first torque tube clamp, and a second panel mount including a second retaining feature attached to or attachable to a second torque tube clamp. When the first and second panel mounts are mounted on a torque tube via the first and second torque tube clamps, respectively, the first retaining channel faces the second retaining channel, and the first and second retaining channels are oriented transversely relative to the torque tube. Furthermore, in this example, at least one of the first panel mount or the second panel mount is configured for overhead or lateral insertion of a solar panel while the torque tube clamps are installed on the torque tube.

The invention relates to the technical field of control and regulation systems, in particular to a photovoltaic module and system, and the photovoltaic module comprises a sensor group, a dynamic feature extraction module, a prediction model module, a collaborative optimization control module and an instruction execution module. The sensor group collects the front irradiance, the back reflectivity and the temperature gradient data of the double-sided photovoltaic array, synchronously obtains the charge state and the charge and discharge rate of the energy storage system, and instructs the execution module to drive equipment to act and calibrate a noise filtering threshold through a feedback channel. The system layer integrates an edge computing node, a cloud scheduling center and a redundant communication network, realizes local real-time control and global resource optimization, and solves the problem of multi-time scale cooperative control of double-sided photovoltaic output dynamic fluctuation and energy storage response delay in combination with virtual sensing of a fault processing module, an off-network strategy and a case library self-learning mechanism. The energy utilization rate and the power grid frequency modulation precision are improved.

The invention relates to a photovoltaic power station real-time monitoring management system and method based on a cloud platform, and belongs to the field of photovoltaic power station intelligent monitoring. The system adopts a three-layer architecture of an application layer, a platform layer and an edge layer deployed at a cloud end, the edge layer is composed of distributed edge nodes, data are acquired through a data acquisition interface, and local preprocessing is executed; the platform layer configures a data storage and machine learning model, and performs generating capacity prediction and equipment health degree evaluation; and the application layer provides a visual monitoring interface and an operation and maintenance management terminal, and supports multi-dimensional data display and alarm information pushing. And the edge layer and the platform layer adopt a calculation task dynamic allocation mechanism, so that the cloud load is reduced while the real-time performance is ensured. The full-life-cycle monitoring of the photovoltaic power station is realized through a pure software architecture, the system has the advantages of elastic expansion, cross-platform compatibility and remote maintenance, and the deployment efficiency and the operation and maintenance response speed of the monitoring system are remarkably improved.

The invention relates to the technical field of digital information processing, and provides a photovoltaic power station data operation and maintenance management system, and a data exchange network service management system comprises a server, a cloud management module, an edge calculation module, a data exchange module, a performance evaluation module, an intelligent routing module and a self-adaptive data synchronization module. The performance evaluation module is used for monitoring key performance indexes of the network state of the whole system, evaluating the current running states of the cloud, the edge nodes and the network state through the key performance indexes to form an evaluation result, and feeding back the result to the cloud management module, the edge calculation module, the self-adaptive data synchronization module and the intelligent routing module; and the data exchange module is responsible for data synchronization and exchange between the cloud and the edge nodes, so that the data consistency of the edge nodes in the system is ensured.

A system for supplying power to a portable battery pack including a battery enclosed by a wearable and replaceable pouch or skin using at least one solar panel is disclosed, wherein the pouch or skin can be provided in different colors and / or patterns. Further, the pouch or skin can be MOLLE-compatible. The battery comprises a battery element housed between a battery cover and a back plate, wherein the battery element, battery cover, and back plate have a slight curvature or contour. Further, the battery comprises flexible leads.

A foldable solar panel including at least two solar modules mounted to a substrate. The foldable solar panel includes hook and loop tape to secure the foldable solar panel in the folded configuration. The foldable solar panel includes at least two straps and at least two horizontal rows of webbing operable to attach the foldable solar panel to a load-bearing platform.

The invention provides a coordination control method for a photovoltaic off-grid hydrogen production system, which comprises the following steps of: acquiring voltage and current time domain signals of a photovoltaic array, constructing an impedance frequency characteristic mapping model through tensor decomposition and a radial basis function network, and calculating converter control parameters; based on converter control parameters and environment data, temperature-sensing-free self-correction photovoltaic characteristic prediction is achieved through electrical parameter indirect temperature estimation, and an MPPT reference track and a power prediction track are generated; multi-time-scale data coordination processing of millisecond-level electrical control, second-level pressure regulation and minute-level temperature optimization is executed, potential conflicts are solved, and an execution instruction set is generated; and generating and issuing a system comprehensive control instruction by adopting a double-layer deep reinforcement learning network. According to the method, the system efficiency and stability are improved, and the performance is excellent especially under the illumination fluctuation working condition.

The invention discloses a floating type photovoltaic platform device capable of actively adjusting the angle of a photovoltaic module, which comprises floating bodies, a photovoltaic mechanism, a central control system, connecting floating bodies and gravity anchors, and is characterized in that the photovoltaic mechanism is mounted on the floating bodies, the floating bodies are connected with the gravity anchors, the gravity anchors are placed in a water area, the plurality of floating bodies are connected through the connecting floating bodies, and the central control system is connected with the central control system. The central control system is installed on the connecting floating body, the central control system is respectively connected with the floating body and the photovoltaic mechanism, the floating body comprises an adjusting air cushion and a supporting floating body, the adjusting air cushion is arranged on the supporting floating body, the photovoltaic mechanism is arranged on the adjusting air cushion, and the supporting floating body is respectively connected with the connecting floating body and the gravity anchor. The sun position and the illumination intensity are monitored in real time through the central control system, the angle of the photovoltaic mechanism is actively adjusted through the adjusting air cushion, it is ensured that the photovoltaic assembly can receive sunlight at the optimal angle all the time, and therefore the photoelectric conversion efficiency is remarkably improved.

A portable solar photovoltaic array power generator set container and a usage method thereof are provided. The portable solar photovoltaic array power generator set container includes a foldable solar photovoltaic power generation unit, a rail component for the foldable solar photovoltaic power generation unit to unfold and retract, electrical equipment and a container. The foldable solar photovoltaic power generation unit includes multiple frames, multiple solar photovoltaic components, a hinge component and a movable component. The foldable solar photovoltaic power generation unit further includes a position-limiting component for limiting an unfolding angle of each set of frames.

The invention discloses a multi-energy complementary integrated device based on wind energy, wave energy and solar energy, and belongs to the technical field of offshore power generation, the multi-energy complementary integrated device comprises a semi-submersible platform, a fan is arranged in the center of the semi-submersible platform, a photovoltaic panel is arranged on the upper plane of the semi-submersible platform, and a wave energy device is arranged in the semi-submersible platform; the bottom surface of the semi-submersible platform is connected with a photovoltaic array, the photovoltaic array comprises photovoltaic floating bodies, photovoltaic panels are arranged on the top surfaces of the photovoltaic floating bodies, and the photovoltaic floating bodies are connected through a swing type wave energy device. By the adoption of the structure, complementarity of solar energy and wave energy in space-time distribution can be complementarily utilized, multi-energy power generation output peak-valley staggered compensation is achieved, the overall output stability of the integrated system is improved, the rectification difficulty is reduced, multi-energy complementation is achieved, and the power generation power of the multi-energy integrated system can be effectively improved. Meanwhile, the self-storage capacity of the system can be improved, and the service cycle is prolonged.

The invention belongs to the technical field of photovoltaic power generation, and discloses a distributed photovoltaic output prediction and energy storage optimization method, which comprises the following steps: acquiring historical operation data and preprocessing the historical operation data; extracting a historical spatio-temporal feature vector containing spatio-temporal correlation information; constructing and training a classification-prediction combined model; acquiring real-time operation data, performing preprocessing and time-space correlation feature extraction on the data to obtain a real-time spatial-temporal feature vector, and inputting the real-time spatial-temporal feature vector into the trained joint model to obtain a real-time photovoltaic output type and a real-time photovoltaic output predicted value; and inputting the real-time photovoltaic output type, the real-time photovoltaic output predicted value and the power grid load demand into an energy storage system charging and discharging strategy optimization model constructed by a deep reinforcement learning algorithm to generate a charging and discharging strategy. The classification-prediction combined model identifies the photovoltaic output type and predicts the photovoltaic output value based on the spatial-temporal feature vector, improves the accuracy of photovoltaic power generation prediction, optimizes the charging and discharging strategy through a deep reinforcement learning algorithm, and improves the operation efficiency of an energy storage system.

The invention discloses a wind-solar complementary intelligent charging system and heat management optimization. The system comprises a wind power generation unit, a photovoltaic power generation unit, an energy storage unit, an intelligent control unit and a heat management unit, the wind power generation unit adopts an efficient wind generating set, is provided with an intelligent control system, and can automatically adjust a pitch angle and a yaw angle according to real-time wind speed and wind direction; the photovoltaic power generation unit selects a high-efficiency photovoltaic cell assembly and tracks the position of the sun in real time in combination with an intelligent light following system; and the energy storage unit adopts a high-performance energy storage battery pack and a battery management system. Through accurate prediction and analysis of local wind and light resources, dynamic configuration and cooperative power generation of the wind power generation unit and the photovoltaic power generation unit are realized. Compared with a traditional fixed configuration mode, local wind and light resources can be fully utilized, and the power generation efficiency is improved. Meanwhile, the multi-energy complementary cooperative power generation technology is adopted, organic combination of wind and light power generation and energy storage is achieved, and stable power supply of the system is ensured.

The invention relates to the technical field of photovoltaic power station management, and discloses a photovoltaic power station Internet of Things intelligent management and cloud edge collaborative optimization system. The system comprises an operation data acquisition module which is used for acquiring power station data in multiple dimensions, quantitatively identifying an abnormal operation state and generating a management early warning signal; the equipment state evaluation module is used for extracting equipment characteristics and dynamically evaluating the self-maintenance capability to obtain a state evaluation reference value; the edge processing module is used for monitoring parameters such as data traffic and predicting and analyzing edge processing efficiency to obtain an edge calculation evaluation value; the cloud edge collaboration module is used for jointly analyzing collaborative optimization efficiency and generating a regulation and control signal; the optimization parameter generation module is used for generating equipment maintenance and computing power distribution parameters; the system further comprises an authority control module and a dynamic adjustment module. According to the system, intelligent management and cloud edge collaborative optimization of the photovoltaic power station are realized, the operation efficiency and reliability of the power station are improved, and the safety and dynamic adjustment capability are enhanced.

The invention discloses Zn-I2 battery electrolyte as well as a preparation method and application thereof. The Zn-I2 battery electrolyte comprises an additive, zinc salt and a composite solvent, the additive contains halogen groups and polar functional groups; the halogen group is selected from one or more than two of F, Cl and Br. Through halogen groups in the additive, the iodine negative ion intermediate is effectively stabilized, so that a Zn-I2 battery is subjected to multi-electron transfer, and the specific capacity of the photoelectric storage integrated battery is improved; the polar functional groups in the additive can homogenize the electric field distribution on the Zn surface, reduce the nucleation overpotential corrosion current and hydrogen evolution current of Zn, change the diffusion path of Zn < 2 + > on an anode interface and improve the cycle stability of the Zn-I2 battery, the Zn-I2 battery with high specific capacity and long cycle life can be obtained by matching the two functional groups, and the Zn-I2 battery is coupled with a solar battery, so that the service life of the Zn-I2 battery is prolonged. Therefore, the overall conversion efficiency and the service life of the photoelectric storage integrated battery are improved.

The systems and methods described herein provide for control of hydrogen generation based on one or more characteristics of an input power signals, including a voltage of the input power signal and / or a frequency of the input power signal. The hydrogen generation system may be controlled in response to a reactive power consumption of the hydrogen generation system and / or a reactive power component of a power grid providing energy to the hydrogen generation system. In one embodiment, the hydrogen generation system may be controlled to generate reactive power in circumstances in which a voltage an input power signal is less than or more than a voltage range. In another embodiment, the hydrogen generation system may control hydrogen production based on a frequency of the input power signal.

The present application discloses an operation and maintenance management method for a photovoltaic power station, and an inspection robot. The method comprises: in an inspection process, acquiring operation data of a photovoltaic device in a photovoltaic power station, wherein the operation data comprises power generation data of the photovoltaic device and / or sensing data of the photovoltaic device; analyzing the operation data, and on the basis of an analysis result, determining whether the photovoltaic device is in an abnormal state; and if the photovoltaic device is in the abnormal state, providing an anomaly processing solution for the abnormal photovoltaic device on the basis of the analysis result. The present application realizes intelligent operation and maintenance of a photovoltaic power station by means of an inspection robot, thereby increasing the operation and maintenance management efficiency.

The utility model discloses a photovoltaic energy storage fishing boat which comprises a fishing boat body, a storage battery box body is installed inside the fishing boat body, and a rotating disc is installed at the top end of the storage battery box body in a rotating mode. A solar photovoltaic panel is arranged at the top of the rotating disc, hydraulic cylinders are fixedly mounted on the two sides of the top end of the rotating disc, first auxiliary shafts are fixedly mounted on the top ends of the two hydraulic cylinders and the two sides of the middle of the bottom end of the solar photovoltaic panel, and a light sensor senses the illumination angle and transmits a signal to a controller; and then the solar energy is transmitted to the corresponding hydraulic cylinder and the motor through the controller, the motor and the hydraulic cylinder can be driven to operate, so that the effect of changing the deviation angle and the rotation angle of the solar photovoltaic panel is achieved, the solar photovoltaic panel can always face a solar light source by adjusting the angle of the solar photovoltaic panel, and the energy of sunlight is absorbed to the maximum extent. The photovoltaic power generation efficiency can be improved, and a photovoltaic system can generate more electric energy under different weather conditions.

The invention provides a solar frequency division PV / T system coupled with a micro-nano film and a cavity type heat collector. The solar frequency division PV / T system comprises a linear Fresnel lens and the cavity type solar heat collector. A lighting window is formed in the heat collector in the axis direction, a micro-nano frequency division film is arranged on the inner wall face, right facing the lighting window, of a heat absorption cavity, and a concentrating photovoltaic cell is arranged below the micro-nano frequency division film. Sunlight is concentrated to the lighting window through the linear Fresnel lens at the top, is secondarily reflected by the lighting window to be collected to the cylindrical heat absorption cavity of the heat collector and irradiates the micro-nano film at the bottom, the micro-nano film transmits available wave bands in solar spectrum to the photovoltaic cell for power generation, light of other wave bands is reflected to the inner wall face of the heat absorption cavity, and the light of the other wave bands is reflected to the inner wall face of the heat absorption cavity. The heat is absorbed by the heat absorption coating, converted into heat energy and transmitted to the working medium layer, so that gradient utilization of the full spectrum of the sun is realized. The cavity type heat collector structure can effectively reduce energy dissipation caused by radiation and convective heat transfer, and the solar energy utilization efficiency of the system is improved.

The invention discloses a photovoltaic power station electric power data real-time monitoring and analysis platform, and relates to the technical field of photovoltaic power stations, the photovoltaic power station electric power data real-time monitoring and analysis platform comprises a processing layer, a working layer and an environment layer, the processing layer comprises a central processing module and a database; the database comprises an electric power influence table, and the electric power influence table comprises theoretical voltage, theoretical current and theoretical power of the corresponding photovoltaic module and correction factors and correction coefficients of the environmental data on the theoretical power of the photovoltaic module; the working layer comprises a photovoltaic assembly monitoring module and an inverter monitoring module. According to the invention, a more accurate photovoltaic power station real-time monitoring method is constructed through multi-environmental factor correction, time sequence analysis, temperature change monitoring and an anomaly marking mechanism, and the anomaly detection capability of the photovoltaic module and the inverter is improved. In the aspect of environment correction, multiple environment factors are comprehensively considered, the theoretical power of the photovoltaic module is corrected, and correction coefficients are set in combination with different weather conditions, so that power judgment is more accurate.

A joint inspection control method, system, device and storage medium, the method comprising: acquiring feature data and meteorological data of a new energy station, and determining a first inspection area according to power generation equipment distribution data in the feature data; determining a first inspection parameter according to the feature data, the meteorological data and the first inspection area, and controlling the first inspection unmanned aerial vehicle to inspect the first inspection area according to the first inspection parameter so as to acquire a first inspection image; performing fault analysis on the first inspection image to obtain a fault analysis result; judging whether secondary inspection is needed or not according to the fault analysis result; if secondary inspection is needed, secondary inspection is carried out according to the fault analysis result to collect a second inspection image; and if the secondary inspection is not needed, ending the inspection. According to the invention, the unmanned aerial vehicle can determine the inspection parameters for inspection according to the environment condition, the collection quality of the inspection image is ensured, and the inspection quality is improved.

The invention provides a wind-solar hydrogen production and ammonia synthesis system and a configuration method thereof, electronic equipment and a storage medium. The wind and light hydrogen production and ammonia synthesis system comprises a wind and light hydrogen production subsystem, an ammonia synthesis subsystem and a coordination controller which are relatively independent, the ammonia synthesis subsystem comprises a hydrogen storage tank, the hydrogen storage tank is connected with the wind and light hydrogen production subsystem, and the configuration method of the wind and light hydrogen production and ammonia synthesis system can be executed by the coordination controller. The configuration method of the wind-solar hydrogen production ammonia synthesis system comprises the following steps: firstly, determining capacity configuration parameters of a wind-solar hydrogen production subsystem by taking the minimum leveling hydrogen production cost as a target; and determining the capacity configuration parameters of the ammonia synthesis subsystem based on the capacity configuration parameters of the wind-solar hydrogen production subsystem by taking the maximization of the wind-solar absorption rate, the minimization of the total cost of the system and the minimization of the operation cost of the system as targets. The wind and light hydrogen production subsystem and the ammonia synthesis subsystem are subjected to two-stage decoupling type system configuration, and stable operation of the ammonia synthesis process is ensured while efficient utilization of green electricity is achieved.

A solar panel array is disclosed which utilizes a frame, a plurality of telescoping arms, a plurality of solar panels supported by said telescoping arms, and a control system. These components work together to provide a solar panel array that can expand and contract and is designed for use on a vehicle or automobile. The solar panel array is intended to provide a substantial amount of electrical energy to the vehicle's propulsion system, recharge the vehicle's batteries, and power auxiliary systems.

The invention relates to the technical field of active noise reduction of ventilation pipelines, in particular to an active noise reduction ventilation device and method powered by solar energy. The active noise reduction assembly comprises a noise acquisition assembly, a noise reduction controller and a noise reduction microphone; the passive noise reduction assembly comprises a fan and blades; the control mechanism comprises a rotating shaft, a solar assembly and a sound insulation layer, the passive noise reduction state and the active noise reduction state of the fan are automatically adjusted through the rotating shaft according to the air inlet amount of the ventilation pipeline, and the control mechanism adapts to various application scenes, does not need manual switching, is simple and convenient, automatically adjusts the air inlet amount of the filter screen and assists in scraping dust filtered by the surface layer of the sound insulation layer. The motion state of the rotating shaft is automatically adjusted according to the air inlet amount and the wind noise, meanwhile, solar assembly power generation and wind power generation of the fan are switched, and normal work of the active noise reduction assembly is guaranteed.

The invention belongs to the technical field of photovoltaic energy storage charging scheduling, and particularly relates to an intelligent scheduling method and system for a photovoltaic energy storage charging micro-grid system, and the system comprises a photovoltaic power generation detection module, an energy storage equipment detection module, an electric equipment detection module, an upper computer, and an optimization scheduling module. The signal output ends of the photovoltaic power generation detection module, the energy storage equipment detection module and the electric equipment detection module are connected with the upper computer, and the output end of the upper computer is connected with the optimal scheduling module. According to the scheme, based on information collection of the photovoltaic power generation equipment, the energy storage equipment, the power utilization equipment and other equipment, comprehensive information conditions can be obtained, and the power utilization mode is comprehensively scheduled based on the comprehensive information, so that the method can be better suitable for the use environment. The advanced communication technology realizes rapid and reliable data transmission among devices, ensures that a scheduling instruction can be timely and accurately transmitted to each device, and ensures that the acquired data can be fed back to a scheduling center in real time.

The present application relates to the field of wind-solar energy storage, and specifically discloses a multi-state wind-solar energy storage integrated system and a wind-solar energy storage method, which includes a main photovoltaic panel, a vertical axis wind blade, a rotating frame and a power generation device; a rotation drive structure for forming a rotating part that rotates around a first axis relative to the rotating frame; a hinge structure for constructing a rotating connection that can rotate around a second axis between the top of the vertical axis wind blade and the rotating part; a displacement drive structure for forming a connecting part that is slidably connected to the vertical axis wind blade and a driving part that drives the connecting part to approach and move away from the rotating part; wherein the projection of the edge of the main photovoltaic panel relative to a horizontal plane repels the first axis. The present application has the effect of improving power generation efficiency and reducing waste in the energy utilization process.

A system for supplying power to a portable battery pack including a battery enclosed by a wearable and replaceable pouch or skin using at least one solar panel is disclosed, wherein the pouch or skin can be provided in different colors and / or patterns. Further, the pouch or skin can be MOLLE-compatible. The battery comprises a battery element housed between a battery cover and a back plate, wherein the battery element, battery cover, and back plate have a slight curvature or contour. Further, the battery comprises flexible leads.