4954results about "Photovoltaics" patented technology

The invention discloses a multispectral pollution analysis method and system for a photovoltaic cleaning unmanned aerial vehicle, and belongs to the technical field of spectrum detection.The multispectral pollution analysis method comprises the steps that a multispectral image is obtained, dark current-radiation-atmosphere-shadow full-link preprocessing is carried out, multiband weighted threshold segmentation and morphological post-processing are constructed, and a pollution area is extracted; establishing a self-learning pollution spectral feature library, and identifying pollution types by using cosine similarity; generating a pollution degree distribution diagram in combination with the pollution type-efficiency attenuation mapping table; and when the overall efficiency loss exceeds a preset value, planning a three-dimensional track based on a cluster priority score and an ant colony-genetic fusion algorithm, and returning an image to perform closed-loop verification and complementary cleaning after the unmanned aerial vehicle performs cleaning. According to the invention, the pollution identification precision, the efficiency evaluation accuracy and the cleaning intelligence level are significantly improved, and the method can be widely applied to unattended operation and maintenance of the photovoltaic power station.

The invention discloses a morning orbit computing power satellite, and belongs to the field of aerospace technology and space infrastructure. The satellite comprises a satellite platform and a computing force load arranged on the satellite platform. The satellite platform is provided with a condensation type energy system and a space pump drive fluid loop system. The condensation type energy system adopts an expandable condensation type solar cell array to generate power, switches a power supply mode according to an illumination period and an earth shadow period of a morning and night orbit, and supplies power to computing force loads and platform equipment. The space pump drive fluid loop system adopts an expandable flexible radiation cooling plate for heat dissipation, heat dissipation is conducted on computing force loads through a fluid loop, and a heating assembly is arranged to prevent a working medium from being frozen under the low-temperature working condition. Through the expandable structure and the orbit environment adaptability design, continuous energy supply and effective heat management are provided for the computing power load in the morning and night orbit environment, and high-power-consumption computing power load in-orbit stable operation is supported.

The invention discloses a photovoltaic panel self-adaptive cleaning system and method based on sand and dust optical thickness monitoring. The photovoltaic panel self-adaptive cleaning system comprises a sand and dust optical thickness monitoring module, a data processing and control module, a cleaning execution module, a power supply module and a remote monitoring module. The sand and dust optical thickness monitoring module is used for monitoring the sand and dust optical thickness AOD of the environment where the photovoltaic panel is located in real time, calculating the AOD by measuring the light intensity attenuation of a specific wavelength, and correcting the atmospheric Rayleigh scattering optical thickness and the gas absorption optical thickness at the same time; the data processing and control module is in communication connection with the sand and dust optical thickness monitoring module and used for receiving the AOD data and comparing the AOD data with a preset dust retention threshold value, and when the AOD value is larger than or equal to the threshold value, a cleaning instruction is generated; and the cleaning execution module is used for receiving the cleaning instruction and executing cleaning operation. Intelligent and self-adaptive control of photovoltaic panel accumulated dust cleaning is achieved, the cleaning opportunity can be adjusted in real time according to the actual sand and dust optical thickness, and the cleaning pertinence and effectiveness are improved.

The invention provides an airborne self-adaptive photovoltaic cleaning device and a cleaning pressure adjusting method thereof, and the device comprises a cleaning load module which comprises a water tank, a high-pressure spray head, a spray rod and an air pump; the laser locator is used for emitting laser to locate the cleaning position; the camera is arranged on the unmanned aerial vehicle; the airborne edge control terminal is used for collecting flight state data of the unmanned aerial vehicle and operation data of the cleaning load; the control circuit module is used for adjusting the water outlet pressure, the water outlet mode and the nozzle orientation; the cleaning management platform is used for monitoring and early warning the dust accumulation state of the photovoltaic module; the photovoltaic module dust deposition early warning system is used for providing dust deposition quantitative data; by integrating the cleaning management platform and the cleaning device, comprehensive automation and intelligentization of photovoltaic module cleaning work are achieved, compared with a traditional manual cleaning mode, the cleaning efficiency is greatly improved, dependence on manpower is reduced, and the cleaning device is particularly suitable for operation and maintenance cleaning work of large-scale and complex-terrain photovoltaic power stations.

The invention relates to the field of photovoltaic panel cleaning, in particular to an array type photovoltaic equipment intelligent cleaning robot which comprises a robot body, a walking mechanism and a cleaning mechanism, the walking mechanism is arranged at the bottom of the robot body, and the walking mechanism is used for driving equipment to move on the surface of an array type photovoltaic panel. The cleaning mechanism comprises a cleaning execution assembly and an adjusting mechanism. The adjusting mechanism is used for connecting the robot body with the cleaning execution assembly, and the adjusting mechanism can dynamically adjust the attaching state of the cleaning execution assembly and the surface of the photovoltaic panel according to the inclination angle of the photovoltaic panel; and the cleaning execution assembly is used for cleaning the surface of the photovoltaic panel and can clean stubborn substances. According to the photovoltaic panel cleaning device, stubborn stains on the surface of a photovoltaic panel can be cleaned, dust mixed in cleaning liquid can be reduced, the cleaning workload can be effectively reduced, the stains attached to the main cleaning rolling brush can be effectively reduced, and the cleaning effect of the main cleaning rolling brush can be effectively guaranteed.

The invention provides an automatic solar panel cleaning device for a large photovoltaic power plant. The automatic solar panel cleaning device comprises a walking mechanism, a cable driving mechanism, a rolling brush cleaning mechanism and a panel side limiting mechanism. The walking mechanism is installed on a track above the top edge of the photovoltaic panel and moves left and right along the track. The rope arranging mechanism is connected with the walking mechanism through a shell, comprises two independent cable arranging devices, is driven by two motors and is used for winding and arranging a steel wire rope so as to keep stable operation of the cleaning mechanism. The cleaning mechanism is hung below the walking mechanism through two cables and vertically moves along the surface of the photovoltaic panel to achieve cleaning. The plate side limiting mechanisms are symmetrically installed on the cleaning mechanism, can be tightly attached to the side vertical face of the photovoltaic plate or the edge of the frame and are used for assisting the cleaning mechanism in vertically moving on the plate face. The device has the advantages of being simple in structure, high in adaptability, stable in operation and high in cleaning efficiency, and is suitable for efficient and automatic cleaning of large-area solar panels.

This invention relates to the field of photovoltaic module technology and discloses a photovoltaic frame and a photovoltaic module. The photovoltaic frame, comprising multiple steel frame strips connected end-to-end in sequence and corner connectors joining steel frame strips adjacent to each other at a corner; wherein each steel frame strip comprises: a first mounting chamber and second mounting chamber, the second mounting chamber includes a fourth steel wall, the top and bottom of the fourth steel wall are bent to connect to the protruding / recessing portion and one side of the fifth steel wall, respectively, and the free end of the fifth steel wall has a bent section; the corner connector comprises a first connecting part and a second connecting part, joined by a bend; the first connecting part comprises a first connecting wall and a second connecting wall connected by a bend, while the second connecting part comprises a third connecting wall and fourth connecting wall connected by a bend; both the first connecting wall and the third connecting wall are vertical or horizontal steel walls, while the second connecting wall and fourth connecting wall can be horizontal or vertical steel walls; the upper end of the vertical steel wall snaps into the protruding / recessing portion, and the horizontal steel wall snaps into a chamber defined by the lower end of the fourth steel wall, the fifth steel wall, and the bent section on the free end of the fifth steelwall. Thus, the mechanical strength and installation stability of the photovoltaic frame can be improved, and the cost can be reduced.

A power converting apparatus includes a photovoltaic inverter configured to convert direct current power from a photovoltaic module into alternating current power, and a controller configured to control the photovoltaic inverter, wherein the photovoltaic inverter includes a first switcher configured to perform switching on the direct current power, a transformer having an input side connected to an output end of the first switcher, and a second switcher connected to an output side of the transformer, and the controller is configured to control at least one of a voltage and current of the first switcher and a voltage and current of the second switcher.

The invention discloses a photovoltaic ecological system based on a holographic frequency division technology. The photovoltaic ecological system comprises a frame body; the frequency-division concentrating photovoltaic unit comprises a substrate layer which is formed by connecting a heat conducting plate and a dodging plate and is connected with the frame body through a reciprocating motion mechanism, a concentrating layer and a holographic grating layer which are sequentially arranged above the heat conducting plate, and a photoelectric conversion battery arranged on the heat conducting plate; the light adjusting unit is arranged between the two adjacent frequency division concentrating photovoltaic units and comprises two frequency division plates connected through a rotating pair, and the ends, away from each other, of the two frequency division plates are connected with the corresponding frequency division concentrating photovoltaic units through rotating pairs; the reflective optical baffles are arranged on the two sides of the substrate layer, and side wall batteries are further arranged on the sides, close to the light adjusting units, of the reflective optical baffles. According to the invention, through a spectrum frequency division and space light energy distribution mechanism, multi-band efficient utilization of sunlight is realized, the light quality and the light quantity required by plant photosynthesis are guaranteed, and the photovoltaic power generation efficiency is improved.

The invention, which relates to the technical field of distributed power generation, discloses a modularized distributed photovoltaic inverter cluster intelligent regulation and control system comprising an impedance identification module, an impedance control module, a state sensing module, a fault diagnosis and isolation module, a power distribution module and a cluster fault control module. The power grid impedance monitoring module is used for monitoring voltage and current signals of a grid-connected point of the photovoltaic inverter, calculating a power grid equivalent impedance value, an impedance change trend and a harmonic component proportion of the current photovoltaic inverter, and generating power grid impedance information. The impedance identification module and the impedance control module are arranged, adjustment is carried out based on the virtual impedance parameters, the resonance problem caused by power grid impedance fluctuation is effectively suppressed, the situation that grid-connected current distortion affects the electric energy quality is avoided, the photovoltaic inverter cluster stably operates in a power grid impedance change scene, and the power grid impedance change efficiency is improved. And the cluster grid-connected power quality and the adaptability to the power grid environment are improved.

The invention belongs to the field of solar photovoltaics, and provides a CCLFR concentrating solar photovoltaic system and power generation equipment. The CCLFR concentrating solar photovoltaic system comprises a CCLFR concentrator, a supporting structure and PV assemblies which are arranged from bottom to top, wherein the PV assemblies are symmetrical left and right; the CCLFR condenser is of an axisymmetric structure and is a condensing mirror field formed by alternately arranging a plurality of plane mirrors; each plane mirror is used for reflecting incident light to the surface of the corresponding PV assembly; wherein the layout of each plane mirror is related to the width of the battery, the placement height of the photovoltaic battery, the inclination angle of the photovoltaic battery, the inclination angle of the mirror surface, the X-axis coordinate value of the mirror surface end point, the included angle between the reflection light of the mirror surface end point and the X axis, the width of the mirror surface, the width of the mirror field and the transverse distance between two adjacent mirror surfaces.

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 discloses a photovoltaic panel ground cleaning control system and method based on an unmanned aerial vehicle, and relates to the technical field of unmanned aerial vehicle control, and the system comprises a cleaning unmanned aerial vehicle, a ground control center system, a command center system and corresponding functions. Through modular design and multi-system cooperation, intelligentization, high efficiency and precision of photovoltaic panel cleaning operation are achieved.

The invention relates to the field of photovoltaic cleaning, in particular to a photovoltaic cleaning robot, solves the problems that an existing cleaning robot cannot adjust the cleaning strength, cannot achieve self-cleaning, is poor in cleaning effect and is inconvenient to carry, and provides the following scheme. The device comprises an unmanned vehicle, crawler wheels, a mounting frame, a frame body, a first rotating shaft, a rotating frame, an electric roller brush, a bidirectional telescopic part, a first sleeve seat, a cleaning box, a cleaning roller, a folding assembly, a rotating plate, a sliding rail frame, a sliding seat, an electric cleaning disc, a driving assembly, a linkage assembly, an outer frame and second rotating shafts, a transverse plate is connected between the second rotating shafts on the two sides, and a plurality of nozzles are installed at the lower end of the transverse plate at equal intervals; an adjusting assembly is arranged on the outer frame, and the adjusting assembly is used for adjusting rotation of the spray head to face the electric roller brush when the electric roller brush is folded into the cleaning box so as to wash the electric roller brush. The robot can be self-cleaned, is convenient to adjust, has an excellent photovoltaic panel cleaning effect, and is convenient to fold and transfer.

The utility model is suitable for the field of photovoltaic technology, and especially relates to a photovoltaic confluence cabinet and a photovoltaic system. The photovoltaic confluence cabinet comprises a cabinet body and a plurality of branch loops, the cabinet body accommodates the branch loops, and the branch loops are arranged on at least one side of the cabinet body; each branch loop comprises an isolating switch, a fuse, a busbar and a frame circuit breaker; wherein the lower port of the isolating switch is connected with an external cable through a first wiring busbar, the upper port of the isolating switch is connected with the lower port of the fuse through a first branch bar, the upper port of the fuse is connected with the busbar through a second branch bar, the lower port of the frame circuit breaker is connected with the busbar, and the upper port of the frame circuit breaker is connected with the busbar. And the upper port of the frame circuit breaker is connected with external equipment through a second wiring busbar. According to the utility model, through the arrangement of the busbar, the layout of the branch loop is more compact, and the size and volume of the photovoltaic confluence cabinet are reduced.

This invention relates to the field of photovoltaic power generation technology and discloses a photovoltaic panel concentrating device and its concentrating method. The device includes a main body, with guide rods fixedly connected to the four corners of the top of the main body. A concentrating plate is rotatably connected to the end of each guide rod away from the main body, and a flexible ring rotatably connects the four concentrating plates. When the four concentrating plates rotate, the rotating plates cause a hollow frame to rise via a rotating plate. As the hollow frame rises, it causes a central glass sphere to rise synchronously and extend beyond the top of the concentrating plate. When the four concentrating plates form a semicircle around the glass sphere, sunlight from different directions can be concentrated onto the photovoltaic panel through the circular glass sphere, thereby enhancing the light intensity received by the photovoltaic panel and improving its power generation efficiency.

The invention discloses a photovoltaic module with an enhanced passive heat dissipation structure, belongs to the technical field of photovoltaic modules, and aims to solve the problem that the photoelectric conversion efficiency of the photovoltaic module is reduced due to temperature rise. The assembly comprises a photovoltaic cell panel assembly, a first fin group and a second fin, wherein each first fin group consists of four parts, namely a first sub-fin, a second sub-fin, a third sub-fin and a fourth sub-fin, the first fin groups are arranged in rows, and the second fins are arranged between the adjacent first fin groups in each row. The photovoltaic module with the enhanced passive heat dissipation structure has the beneficial effects that the photovoltaic module with the enhanced passive heat dissipation structure is reasonable in structure and feasible in technology, heat dissipation can be effectively improved by adopting passive heat transfer modes such as unpowered natural convective heat transfer and radiation heat transfer, autonomous cooling of the photovoltaic module is realized, the photoelectric conversion efficiency of the photovoltaic module is improved, and the service life of the photovoltaic module is prolonged. And the generating capacity of the photovoltaic field station can be improved.

Exemplary embodiments described herein may include lightweight, low stow volume solar concentrator.

The utility model relates to the technical field of solar cells, and provides an intermediate bus bar for a battery assembly, the battery assembly and a photovoltaic system, and a first end of a body part of the intermediate bus bar is connected with a first lead part which is bent towards a first side relative to the body part; the second lead part is bent relative to the first lead part so as to be stacked on the side, away from the body part, of the first lead part. One side of the second lead part is also provided with an extension part. Therefore, through the arrangement of the first lead part, the second lead part and the extension part, a lead structure formed by the first lead part and the second lead part cannot be located at the outermost edge of the middle bus bar, so that the risk of short circuit caused by lap joint of the lead structure and an adjacent circuit is reduced; and meanwhile, the edge end position of the middle bus bar is prevented from tilting in the manufacturing process, so that the welding reliability of the welding strip at the edge position and the middle bus bar is ensured.

The invention provides a photovoltaic panel wiring terminal protection device, and belongs to the photovoltaic technical field, the photovoltaic panel wiring terminal protection device comprises a protection box, a heat dissipation waterproof and anti-falling assembly and a bird repelling assembly, and the heat dissipation waterproof and anti-falling assembly comprises a fixed frame hermetically communicated with the top of a first connecting frame. The rainwater enters the protection box and enters the first connecting frame through the fixing frame and enters the protection box for heat dissipation, the second connecting frame at the bottom discharges hot air, air circulation and efficient heat dissipation are achieved, in rainy days, rainwater can be prevented from entering the protection box through the design of the bottom of the air opening of the air duct, and when part of the rainwater is blown into the air duct by wind and enters the inclined frame, the rainwater can be prevented from entering the protection box. When a user installs the connecting line, the connecting line can be fixed by driving the limiting seat to be close to the supporting seat, the connecting line is prevented from being dragged and falling off easily, and therefore the purposes of heat dissipation, water prevention and falling prevention are achieved.

The embodiment of the invention provides a laminated assembly to be laminated, a laminated piece, a photovoltaic assembly and laminating equipment, and belongs to the technical field of photovoltaic assembly preparation. Wherein the laminated assembly to be laminated comprises an initial laminated assembly formed by stacking first packaging glass, a first packaging adhesive film, a battery string, a second packaging adhesive film and second packaging glass in sequence; the adhesive film filler strip and the initial laminated assembly comprise at least one first side edge; the adhesive film filler strip is arranged at the position, close to the first side edge, of the first packaging adhesive film and / or the second packaging adhesive film; at least one section of adhesive tape covers the first side edge. According to the laminated assembly to be laminated provided by the embodiment of the invention, the glue overflowing layer can be formed on the first side edge after lamination, a water blocking effect on the laminated piece is achieved, and even if the first side edge is not coated with an aluminum frame any more, the laminated piece can be prevented from being corroded by water vapor. According to the laminated piece manufactured by the laminated assembly, the first side edge does not need to be wrapped by an aluminum frame, so that dust accumulation is avoided.

This application provides a photovoltaic inverter and a photovoltaic system. The photovoltaic inverter includes a housing, a circuit board, cooling fins, a switch assembly, and PV ports. The circuit board is reversely fastened in the photovoltaic inverter. The circuit board partitions an accommodating cavity into a first subcavity and a second subcavity, and the first subcavity and the second subcavity accommodate a first device and a second device respectively. The second device includes an inverter power assembly fastened to a rear circuit board side. The cooling fins are located on a side that is of a bottom plate and that is away from a cover plate. The inverter power assembly is in thermally conductive connection to the cooling fins through a thermally conductive contact part. The switch assembly includes a knob, a connecting rod, and a switch body. The switch body includes breaking units. Pins of the breaking units are rigidly fastened to the rear circuit board side. In this application, the circuit board is reversely fastened in the photovoltaic inverter, and a large device is fastened to the rear circuit board side, so that both cooling effect and a product aesthetic feeling are considered. The switch body is rigidly fastened to the rear circuit board side through the pins. This reduces assembly difficulty of the photovoltaic inverter.

The invention provides a photovoltaic panel cleaning robot cross-column transfer device which comprises a transfer frame and a track, the track is located on one side of a photovoltaic panel array, and the transfer frame can move between different rows of photovoltaic panel arrays along the track and is used for transferring a cleaning robot to the different rows of photovoltaic panel arrays; the transfer frame comprises a transfer table, a lifting table and a base which are sequentially arranged from top to bottom, a lifter is arranged between the base and the lifting table and used for adjusting the height of the lifting table relative to the base, and the transfer table is used for parking the cleaning robot; an angle adjuster is arranged between the lifting table and the transfer table and used for adjusting the inclination angle of the transfer table relative to the lifting table. According to the photovoltaic panel array transfer device, the transfer frame can transfer the cleaning robot among different rows of photovoltaic panel arrays along the track, the height of the transfer table can be adjusted, the inclination angle of the transfer table can also be adjusted, and the transfer efficiency of the cleaning robot is greatly improved.

The invention provides an unmanned aerial vehicle intelligent positioning cleaning method and system for photovoltaic pollution, and relates to the technical field of photovoltaic array cleaning maintenance, and the method comprises the steps: firstly obtaining a pollution related image set, flight parameters and power generation efficiency related data collected when an unmanned aerial vehicle flies over a photovoltaic array; pollution area positioning processing is carried out based on the data, and space positioning information is generated; planning a pollution cleaning path in combination with the spatial positioning information, the pollution diffusion trend data and the power generation priority data; controlling an unmanned aerial vehicle carried cleaning device to execute cleaning operation according to the path, and synchronously acquiring a real-time pollution change image and power generation efficiency change data to generate an operation result; and finally, carrying out cleaning effect evaluation based on an operation result and related data, generating pollution cleaning evaluation information containing supplementary cleaning suggestions, and realizing intelligentization and high efficiency of photovoltaic array cleaning.

A magnetic solar wireless charging accessory system comprises a solar wireless charging base and a wireless electrical equipment assembly, the solar wireless charging base comprises a base body, a battery module, a solar panel electrically connected to the input end of the battery module and a wireless transmitting coil electrically connected to the battery module; the wireless electrical equipment assembly comprises a housing, a wireless receiving coil, an electricity storage unit, an electrical equipment and a switch; the battery module provides electricity to the electricity storage unit through the wireless transmitting coil and the wireless receiving coil; the solar wireless charging base is positioned with the housing through a magnet. The invention has simple and reasonable structure, realizes wireless charging, it is flexible and convenient and can be applied to outdoor multiple scenes such as umbrella, sunshade fabric blind or awning.

The invention discloses a photovoltaic and phase change energy storage coupling method and device and a medium. The method comprises the steps that light energy absorbed by a photovoltaic and photo-thermal integrated assembly is converted into direct current electric energy, and first heat energy generated by the photovoltaic and photo-thermal integrated assembly is transmitted to a heat transfer medium to be stored; according to the power utilization request of the building energy terminal, the direct current electric energy is converted into alternating current electric energy through current inversion, and the remaining alternating current electric energy is converted into second heat energy through electric heating; the first heat energy and the second heat energy are subjected to phase change storage through heat exchange, and phase change stored energy is generated; the illumination intensity of the environment of the photovoltaic photo-thermal integrated assembly is obtained, and when the illumination intensity is smaller than a preset illumination threshold value, phase change stored energy serves as energy supply; and when the illumination intensity is greater than a preset illumination threshold value, determining the electric energy generated by the photovoltaic and photo-thermal integrated assembly as energy supply. By constructing a deep coupling architecture of the photovoltaic photo-thermal assembly, the phase change energy storage unit and the building energy terminal, the utilization efficiency and supply and demand balance of energy are improved.

The invention is suitable for the technical field of fault recording, and provides a fault recording method and device and a photovoltaic inverter. The method comprises the steps of determining a first wave recording time length before a fault and a second wave recording time length after the fault according to the type of the fault after the fault of target equipment is detected; the second recording duration is greater than the duration of the fault; recording a first quantity of data before the occurrence moment of the fault from the cache region at a first sampling interval based on the first wave recording time length, and recording a second quantity of data after the occurrence moment from the cache region at a second sampling interval based on the second wave recording time length as wave recording data; the sum of the first number and the second number is smaller than or equal to a preset number; the product of the sampling interval, the number and the preset period is greater than or equal to the corresponding recording duration. The wave recording data obtained by the method can comprise all data required for fault analysis, and fault evolution can be effectively reflected, so that fault occurrence reasons can be accurately and effectively analyzed subsequently based on the wave recording data.

The invention discloses a sweeper and an anti-falling method thereof, and belongs to the technical field of photovoltaic panel sweeping, and the sweeper comprises a sweeping robot and is characterized by further comprising a control unit installed on the sweeping robot; the communication module is installed in the cleaning robot and used for wirelessly receiving and sending information through Bluetooth; the support is fixedly connected to the top of the cleaning robot, and one end of the support faces the advancing direction of the cleaning robot; the gap detection mechanism is installed on the support and used for detecting the width of the gap and judging whether the gap can pass or not; and the automatic opening and closing door is arranged in front of the anti-falling system and is used for shielding the anti-falling system. When the photovoltaic panel is cleaned, whether the gap can pass or not can be automatically detected, if yes, normal passing is achieved, if not, the control unit controls the automatic opening and closing door to be opened, the anti-falling system works normally, falling is prevented, and therefore the working efficiency is improved.

The present application relates to the technical field of photovoltaics, and discloses a photovoltaic panel disassembly and installation device. The photovoltaic panel disassembly and installation device comprises a mobile carrying apparatus, a photovoltaic panel disassembly and installation apparatus, and a photovoltaic panel storage apparatus, wherein the photovoltaic panel disassembly and installation apparatus and the photovoltaic panel storage apparatus are both arranged on the mobile carrying apparatus.

The invention relates to a solar photovoltaic power generation control method and system, and the method comprises the steps: adjusting a power reference value of a virtual synchronous generator based on the predicted photovoltaic power change trend information of a micro-grid after a mode switching request is detected, and controlling the output power of the micro-grid to approach a steady-state power value under a target grid-connected working condition; in different operation modes, the virtual inertia of the virtual synchronous generator is configured to be an adaptive set value, and the virtual damping coefficient is adjusted; calculating a comprehensive switching preparation index based on the photovoltaic power prediction error, the convergence characteristic of the actual power deviation and the bus voltage and frequency fluctuation amplitude; and when the comprehensive switching preparation degree index meets a preset condition, generating a synchronous starting instruction, and entering an off-grid to grid-connected switching stage. Therefore, the stability and the reliability of mode switching can be remarkably improved, transient impact is effectively inhibited, and the power supply continuity and the power quality are guaranteed.