967results about How to "Increase power generation" patented technology

The invention is suitable for the field of photovoltaic technology, and provides a battery assembly and a photovoltaic system, and the battery assembly comprises a plurality of battery pieces, each battery piece comprises a chamfer edge and a straight edge which are parallel to each other, and the plurality of battery pieces are partially overlapped in a first direction to form a battery string. The plurality of battery strings are partially overlapped along the second direction to define a plurality of closed areas, the plurality of battery pieces are partially overlapped to eliminate the piece spacing, and the plurality of battery strings are partially overlapped to define a plurality of closed areas to reduce the string spacing; according to the photovoltaic module, more battery pieces can be arranged in a limited area, the utilization rate of the space area and the power generation power of the module are improved, in addition, due to the formation of the closed area, the light leakage condition of the battery module can be improved, and the power generation efficiency of the photovoltaic module can be improved by utilizing light rays in the intervals of the battery strings; the photovoltaic module is better in overall attractiveness, and the production efficiency can be improved.

The invention discloses a generating capacity loss assessment method for a photovoltaic system, and relates to the technical field of photovoltaic power generation, and the method comprises the following steps: an MPPT control system monitors the output parameters of a photovoltaic module in real time, captures the output characteristics of the photovoltaic module in real time during illumination change through the obtained operation parameter information, and determines the output characteristics of the photovoltaic module; and the MPPT control system can sense the change of the illumination condition. By monitoring the sunlight penetration rate and the surface reflectance in real time, the MPPT control system can quickly recognize illumination changes and accurately adjust the working point of the photovoltaic module, it is ensured that the system is close to the maximum power point, and energy conversion can be optimized even in complex weather. The dynamic adaptability improves the overall generating capacity and economic benefits, and meanwhile, by comparing an external environment evaluation index with a reference threshold value, a control strategy is optimized, power fluctuation is reduced, the voltage and frequency stability of a power grid is maintained, the coordination of a photovoltaic system and the power grid is enhanced, and the reliability and sustainable development of renewable energy sources are supported.

The invention relates to a multi-machine cooperative yaw control method and device considering a dynamic wind direction and a medium. The multi-machine cooperative yaw control method comprises the steps that S1, the dynamic relation between the wind direction and a wake flow area is established based on a Gaussian-curl hybrid model; s2, constructing a single-machine yaw optimization model based on model predictive control, optimizing single-machine yaw by taking maximum generating capacity of a wind power plant and reduction of fatigue load as optimization objectives, and obtaining a single-machine optimal yaw angle through rolling optimization and feedback correction; and S3, a serial optimization method is adopted to carry out multi-round iterative optimization on one fan by one fan, and an optimal multi-fan cooperative yaw control result is obtained. Compared with the prior art, the method has the advantages that higher total generating capacity and more balanced fatigue load can be realized, so that the whole wind power plant reaches the optimal state of power and load in a large range.

The invention provides a photovoltaic power station design system and method based on ecological collaborative optimization, and relates to the technical field of data processing. The system comprises an initial configuration module which is used for generating an initial layout structure of a photovoltaic module, performing energy-saving and consumption-reducing calculation and economic analysis according to generating capacity data, and obtaining initial energy-saving and consumption-reducing data and initial economic analysis data; the secondary optimization module is used for optimizing the parameters of the photovoltaic module based on the economical efficiency analysis data and determining energy-saving and consumption-reducing data and economical efficiency analysis data through the generating capacity optimization data; the ecological evaluation module is used for determining ecological benefit data of the photovoltaic power station according to the ecological influence parameters; and the collaborative optimization module is used for setting a power generation income weight and an ecological benefit weight so as to optimize the photovoltaic module layout structure and generate a photovoltaic power station design scheme based on ecological collaborative optimization. The method is used for realizing collaborative optimization of power generation benefits and ecological benefits of the photovoltaic power station, so that the power station gives consideration to ecological protection while improving the power generation efficiency.

The invention provides a gravity energy storage device with a function of uninterruptible loading and unloading of weight blocks, the gravity energy storage device comprises a transportation module and a loading and unloading module, the transportation module comprises a rotating wheel part, a chain part and a bearing mechanism, the bearing mechanism is arranged on the chain part, the rotating wheel part is arranged at the end part of the transportation module, and the chain part moves around the rotating wheel part; the loading and unloading module comprises a conveying channel, a supporting mechanism and a weight block body, the supporting mechanism is arranged on the conveying channel, the weight block body is arranged on the supporting mechanism through driving of the conveying channel, and the supporting mechanism and the bearing mechanism can be coupled or decoupled to drive the weight block body to be separated from or connected with the supporting mechanism. According to the gravity energy storage device with the function of uninterruptible loading and unloading of the weight block, stable and continuous electric energy can be generated during power generation and energy storage under the condition that the device is uninterruptible when the weight block body is loaded and unloaded and the transportation module generates power, and under the condition that equipment does not need to be added, the power generation power and the operation efficiency are improved, and the cost is reduced.

The invention is suitable for the technical field of solar cells, and provides a back contact solar cell, a cell assembly and a photovoltaic system, and the solar cell comprises a silicon substrate, the backlight surface of which is provided with a first region and a second region; the first passivation layer is arranged in the first region; the first doping layer is arranged on one surface, deviating from the silicon substrate, of the first passivation layer; the second passivation layer is arranged in the second region; the second doping layer is arranged on one surface, deviating from the silicon substrate, of the second passivation layer; at a preset position, an electric leakage contact layer is arranged in at least partial region between the first doping layer and the second doping layer, the electric leakage contact layer is connected with the first doping layer and the second doping layer, the thickness of the electric leakage contact layer is greater than that of the second passivation layer, and the ratio of the thickness of the electric leakage contact layer to the thickness of the second passivation layer is less than 4. According to the back contact solar cell, hot spot effect management and control can be achieved, normal power generation under a certain weak light condition is not affected, and hot spot effect management and control and power generation capacity of the back contact solar cell can be well balanced.

The invention belongs to the technical field of wind power, and particularly relates to an in-service fan in-situ transformation capacity expansion method. The method comprises the steps of foundation transformation, supporting tower lifting and transformation and generator set replacement. The foundation transformation comprises the steps that anchor rods are installed on an original foundation, reinforcing steel bars are implanted, flange screws are embedded, and concrete is poured so that the foundation face can be enlarged. The transformation of the supporting tower comprises the step of lifting and heightening an original supporting tower so as to adapt to a unit with a larger diameter; the generator set is replaced by installing components with larger power generation capacity on the top of a new tower drum, and the components comprise a cabin, a hub, blades and the like. The method is suitable for transformation and capacity expansion of the old wind power plant, the transformation cost can be greatly reduced, and the wind power generation efficiency is improved.

The invention discloses a bus bar for a full-screen assembly and a manufacturing method of the bus bar. The bus bar is characterized by comprising a conductive substrate and an insulating rubber strip, a hollow structure is arranged on the insulating rubber strip; the conductive substrate is arranged on the insulating rubber strip; and the hollow structure is covered by the conductive substrate. By improving the bus bar structure and the manufacturing and application process thereof, the improved bus bar is arranged on the back surface of the battery piece to be processed, so that the light receiving area of the module is not occupied, the full laying rate of the battery piece is improved, and the power generation power of the module is further improved; original reserved bus bar interval areas in the middle and on the periphery of the assembly are canceled, so that the whole assembly does not have a blank area any more, and the overall attractiveness is high; meanwhile, the improved bus bar is welded in the assembly lamination process, a bus bar welding process is not needed, the equipment investment can be saved, the technological process can be shortened, and the production cost can be reduced.

The invention provides a lateral boundary turbulence synthesis method for complex terrain wind field numerical simulation, which comprises the following steps: determining a microscale computational domain boundary of a medium-microscale coupling mode, and obtaining lateral boundary surface coordinates of a microscale computational domain; establishing mesoscale mode simulation of the complex terrain wind field, and determining longitude, latitude and geographic coordinates corresponding to reference points of a mesoscale-microscale coupling mode; according to the terrain projection mode and the reference point position, converting the lateral boundary surface coordinates of the micro-scale computational domain into longitude and latitude and altitude corresponding to the mesoscale computational domain; extracting wind speed, temperature and turbulent energy time sequence data corresponding to the lateral boundary surface coordinates of the micro-scale computational domain from the mesoscale numerical simulation result; and synthesizing the lateral boundary turbulence time sequence fluctuating wind speed of the micro-scale computational domain for micro-scale numerical simulation. The complex terrain wind field unsteady flow simulation precision based on the medium-micro scale coupling mode is improved, and the method is more suitable for complex terrain wind resource refined evaluation.

The invention is suitable for the technical field of solar cells, and provides a solar cell, a cell assembly and a photovoltaic system, the solar cell comprises a silicon wafer, the surface of which is provided with a P-type doped region; the first P-type doped layer is arranged in the P-type doped region, boron elements and second elements are doped in the first P-type doped layer, the second elements are one or more elements except the boron elements in the IIIA family elements, and the doping activation concentration of the second elements in the first P-type doped layer is larger than that of the boron elements. According to the solar cell provided by the invention, light-induced degradation can be reduced, the power generation power of the cell module is improved, the surface recombination loss can be reduced, the passivation effect is improved, and the efficiency of the solar cell is improved.

The invention relates to the technical field of photovoltaic power station management, in particular to an intelligent management platform and method for ultra-high altitude photovoltaic equipment. The platform integrates a plurality of subsystems of data acquisition, big data analysis, intelligent IV diagnosis, intelligent operation and maintenance and the like, and aims to realize efficient and intelligent management of photovoltaic power station equipment. According to the invention, efficient and accurate operation and maintenance management of the high-altitude mountain photovoltaic power station is realized through intelligent and digital means.

A series connection method of back contact battery pieces belongs to the field of solar battery preparation, and is characterized by comprising the following steps: printing UV glue on the surfaces of the back contact battery pieces; conductive wires are arranged on the surfaces of the battery pieces needing to be connected in series; an ultraviolet lamp is turned on for irradiation, so that the UV glue is cured, and a back contact cell string is prepared; laying an adhesive film protection layer on the surface of the battery string; laminating the battery strings, and pressing the conductive wires on the surfaces of the battery pieces; and the conductive wires are in ohmic contact with a to-be-conducted area on the surface of the battery piece. The narrow conductive wires are adopted, the double-sided rate of the module is high, the generating capacity of the module can be effectively improved, and the LCOE of the system is reduced; the UV glue is used for fixing the conductive wires, so that the problem that the conductive wires deviate on the surfaces of the battery pieces in the lamination process and the long-term use process of the assembly can be avoided, and the short-circuit risk of the conductive wires is reduced; crimping or welding is achieved in the laminating process, battery string bending caused by high-temperature welding is avoided, and meanwhile the pseudo soldering problem is avoided.

In order to solve the problems of cross-market bidding and flexible value of a virtual power plant, the invention provides a VPP electricity-carbon joint bidding strategy considering a national voluntary verification emission reduction mechanism, and the strategy comprises the steps: building a bidding model, considering a CCER transaction mechanism, of VPP participating in an electricity-carbon joint market, and taking the maximum net income as an objective function; determining a VPP bidding decision model considering a CCER transaction mechanism, wherein the VPP bidding decision model comprises a VPP power generation cost function, a constraint condition of the VPP power generation cost function and a VPP market operation decision optimization model; establishing a lower-layer market joint clearing model, and taking the minimum market operation cost as a target function; comprising active balance constraint and power generation unit operation constraint; an optimal solution is iterated by adopting a master-slave game loop, and a market clearing result and VPP internal scheduling can be obtained; vPP cross-market bidding and flexibility value problems can be effectively improved, the operation capability in a low-carbon environment can be effectively improved, and social development with low carbon and emission reduction is facilitated.

The invention belongs to the field of direct utilization of liquefied natural gas cold energy, and particularly relates to a system for efficient cold energy power generation through organic Rankine cycle and a power generation method of the system. The system for efficient cold energy power generation through the organic Rankine cycle comprises a main heat exchanger, a Rankine cycle refrigerant booster pump, an NG thermolator, a first heat exchanger, a second heat exchanger, a third heat exchanger, a first Rankine cycle turbine, a second Rankine cycle turbine, a second Rankine cycle turbine and a power generator. The invention provides a novel cyclic power generation method by combining the characteristics that LNG receiving stations in China are mostly used for peak regulation stations and the working pressure is high. According to the method, a mixed working medium is selected as a refrigerant, seawater or other industrial waste heat is used as a high-temperature section heat source, organic Rankine cycle is used for doing work outwards, three-section power generation comprehensively recovers cold energy released during LNG gasification, and 42 kWh of power is generated for each ton of LNG according to the system and the power generation method through calculation.

The invention discloses a wind turbine generator blade clearance monitoring, error evaluation and threshold optimization method and system, and the method comprises the steps: monitoring a blade clearance value of a wind turbine generator in real time through clearance monitoring equipment, and synchronously measuring a distance value from a blade tip to a tower wall in the wind turbine generator through an installed calibration radar. And comparing the blade clearance value measured at each time point in the time period with the distance value, and determining clearance difference values corresponding to different time points. Statistical analysis is carried out on the clearance difference values corresponding to all the time points in the specified time range, the clearance difference mean value in the time range is determined, and the clearance monitoring error of the wind turbine generator can be evaluated and the clearance alarm threshold value can be optimized through the clearance difference mean value. Therefore, the influence of factors such as cabin glass fiber flatness, a cabin inclination angle, a clearance equipment installation angle and a tower drum inclination angle on clearance alarm monitoring is eliminated, and the power generation loss caused by clearance false alarm is effectively reduced.

The invention discloses a bridge self-powered strain sensing system based on friction nanometer power generation and electromagnetic power generation. A wind energy conversion device converts wind energy into electric energy and then converts the electric energy into direct current through a power management circuit to supply power to other units; the wind energy conversion device comprises balls with FEP surfaces, an upper cylinder and a lower cylinder, the upper cylinder and the lower cylinder are coaxially sleeved and can rotate, the outer wall of the upper cylinder is fixedly connected with upper fan blades, a cylinder and the fan blades of the lower cylinder are fixedly connected through ribs, and the twisting directions of the upper fan blade and the lower fan blade are opposite. The outer wall of the upper cylinder, the inner wall of the lower cylinder and the upper and lower fan blades are provided with a plurality of inclined rails for accommodating balls; grid-shaped copper electrodes are attached to the inner wall of the upper cylinder in the circumferential direction at intervals, and polyester fiber wool is arranged in the first gap at intervals. A plurality of coils are embedded in the circumferential direction of the upper cylinder, and a plurality of permanent magnets are correspondingly embedded in the circumferential direction of the lower cylinder; a plurality of nylon films and PTFE films with the same number are evenly attached to the outer wall of the lower cylinder in the circumferential direction at intervals in a staggered mode. According to the invention, self power supply of the strain sensing system is realized, and continuous real-time monitoring of the bridge structure strain is ensured.

The invention relates to the technical field of tunnel lighting adjustment, and discloses a high-efficiency energy-saving tunnel lighting system capable of relieving a black and white hole effect, which utilizes a dimming module outside a tunnel hole to adjust the variation amplitude of illumination intensity outside and inside the tunnel and implements a photovoltaic power generation process by means of illumination. Therefore, the visual transition process of a driver from strong light to weak light at a tunnel portal is realized, and photovoltaic power generation is comprehensively utilized to reduce energy consumption. Besides, environment information inside and outside the tunnel is obtained regularly through the tunnel environment sensing module, the environment information is transmitted to the intelligent dimming module, the intelligent dimming module intelligently analyzes the tunnel light environment under the visual comfort condition of the driver according to the environment information, and the lighting condition with the visual comfort is calculated. And the illumination intensity and the color temperature index in the tunnel are dynamically adjusted, so that the technical effect of intelligently adjusting the illumination environment in the tunnel is achieved, and the passage process of the tunnel is safer and more comfortable.

The invention discloses a wind turbine generator bearing high-temperature fault diagnosis system, relates to the technical field of wind turbine generator fault diagnosis, and aims to solve the problems that most of existing wind turbine generator bearing high-temperature fault diagnosis systems independently detect a single generator set, mutual influence and relevance among the generator sets cannot be considered, and the overall operation state of a wind power plant is difficult to master comprehensively. In the prior art, bearing performance decline trend and potential hidden dangers cannot be found in advance, preventive maintenance is difficult to carry out, and sudden failure risks of wind turbine generators are increased. Accurate diagnosis and timely processing of high-temperature faults of the generator bearing of the wind turbine generator are realized, the service life of the bearing is prolonged, the maintenance cost is reduced, accurate data support is provided for operation management of a wind power plant, the reliability and stability of the wind power plant are enhanced, the downtime caused by faults is reduced, and the generating capacity is improved.

The utility model discloses an efficient gravity energy storage power generation system which comprises an energy storage body, two storage yards, a lifting power generation device and a control device, each storage yard comprises a plurality of energy storage rails, every two adjacent energy storage rails are connected end to end through a rail conversion power generation device, and dampers are arranged on the energy storage rails; the track conversion power generation device comprises a rack, a chain wheel and chain assembly and a power generation assembly, an outer chain plate with the same length of a chain interval is in an L shape, a transmission supporting track is arranged between an upper storage yard and a lower storage yard, and one end of the transmission supporting track is connected with an energy storage track with the highest altitude of the upper storage yard. The other end is connected with the energy storage track at the lowest altitude of the lower storage yard; the lifting power generation device is of a mutually-staggered relay type structure. Storage of the energy storage body can be increased to the maximum extent in a limited space, the energy storage body is driven to move without power, the electricity utilization cost is reduced, the power generation efficiency is greatly improved, and the energy storage device is suitable for storing the energy storage body for gravity energy storage power generation.

The invention relates to a power generation control method and device of a range extender, equipment and a storage medium. The method comprises the steps that after vehicle navigation is started, travel energy consumption information generated by vehicle navigation is obtained, and battery parameter information of a vehicle is obtained; determining a mode demand type according to the travel energy consumption information and the battery parameter information; under the condition that the mode demand type is determined to be the range extending mode type, starting a range extender; and according to the stroke energy consumption information and the battery parameter information, determining the generated power corresponding to the range extender, and performing power generation control on the range extender according to the generated power. The range extender is started when the range extending mode type is judged, the range extender does not need to be started when the charge state value drops to the first charge state threshold value, sufficient power supply of the vehicle is ensured, particularly in a low-temperature environment, the range extender is started in advance, the power generation performance of the range extender can be improved, the power generation power of an engine is improved, and the power generation duration of the engine is prolonged. And the problem of insufficient combustion and consumption of fuel oil in an engine cylinder is avoided.

The invention discloses a condenser and flue gas waste heat utilization system for an ammonia power plant, which belongs to the technical field of power generation and comprises a condenser, a condensate pump, a circulating water regulating valve, a liquid ammonia regulating valve, an ammonia regulating valve, a primary flue gas heat exchanger, a secondary flue gas heat exchanger, a water collector, a steam extraction heater, a pure ammonia burner, a boiler, an air pre-heater, a chimney and a steam turbine. A condenser and a liquid ammonia evaporator are integrally designed, the condenser comprises a liquid ammonia cooling area and a circulating water cooling area, liquid ammonia gasification cold energy of an ammonia power plant is used for cooling steam exhausted by a low-pressure cylinder of a steam turbine, the heat exchange efficiency is improved, and the load of a cooling tower is reduced; the tail of the pure ammonia boiler is free of dust removal and desulfurization facilities, waste heat of high-temperature and high-humidity flue gas at the outlet of the air pre-heater is used for replacing steam extraction of a steam turbine to heat condensed water and low-temperature ammonia gas, the generating power of a unit can be increased, secondary condensation of the ammonia gas can be prevented, the combustion stability of the ammonia gas can be improved, and meanwhile a large amount of water in the flue gas can be recycled.

The utility model discloses a foldable assembly type photovoltaic power generation panel, which comprises a rectangular frame, a threaded shell and an insertion pipe, four side surfaces of the rectangular frame are rotatably connected with first protection frames, the side surfaces of the first protection frames are rotatably connected with second protection frames, the upper surface of the rectangular frame is also provided with the first protection frames, and the second protection frames are rotatably connected with the threaded shell. The photovoltaic panels are installed in the first protection frame and the second protection frame, the first protection frame on the upper surface of the rectangular frame is provided with two hand lifting ropes, the threaded shells are installed on the surfaces of the first protection frame and the second protection frame, handle screws are in threaded connection with the interiors of the threaded shells, and the insertion pipes are installed on the surfaces of the first protection frame and the second protection frame. The photovoltaic panels can be unfolded through the four first protection frames on the side faces of the rectangular frame, then the four second protection frames are unfolded, the area of the photovoltaic panels is increased, no shadow covers the photovoltaic panels, the power generation power is improved, all the photovoltaic panels are located at the unified inclination angle, and the photovoltaic panels can be better irradiated by sunlight.

The invention discloses a building facade photovoltaic panel layout method and system based on developable area identification. The method comprises the steps of obtaining a developable area and a corresponding shadow area of a building facade to be developed and laid; establishing a power generation accounting function of the photovoltaic module based on the physical potential value, the photovoltaic module area coefficient and the energy conversion coefficient; establishing an initial input cost function, a maintenance cost function and a decommissioning cost function of the photovoltaic module, and combining to establish a total economic cost calculation function of the photovoltaic module; and under constraint conditions and under the targets of generating capacity maximization and economic cost minimization, carrying out optimization solution on the power generation accounting function and the total economic cost calculation function, and carrying out layout on the external facade according to a solution result. By the adoption of the technical scheme, the power generation capacity of the building facade photovoltaic system is improved, and meanwhile the installation and maintenance cost of the photovoltaic system is reduced.

The invention provides a fused salt heat storage type photo-thermal and air energy storage coupled power generation system which comprises a fused salt heat storage type photo-thermal power generation system and an air energy storage power generation system, the fused salt heat storage type photo-thermal power generation system comprises a solar heat source, a fused salt energy storage unit and a power generator set, the fused salt energy storage unit comprises a cold salt storage tank and a hot salt storage tank, and the hot salt storage tank is connected with the air energy storage power generation system. The air energy storage power generation system comprises a compressor, a first fused salt-air heat exchanger, a second fused salt-air heat exchanger, an air storage device and an expansion generator, the generator set is connected with a motor of the compressor, and the cold salt storage tank, the first fused salt-air heat exchanger and the hot salt storage tank are sequentially connected through a first fused salt pipeline; the cold salt storage tank, the second fused salt-air heat exchanger and the hot salt storage tank are sequentially connected through a second fused salt pipeline. Switching of two power generation modes of photo-thermal power generation and air energy storage power generation can be achieved, the utilization rate of solar energy resources is effectively increased, the power generation amount of the photo-thermal power generation unit is increased, and the peak regulation capacity of the photo-thermal power generation unit is improved.

The invention provides a production process of a small photovoltaic cell. The invention further provides an integrated production system for silicon wafer passive film deposition and silk-screen printing. Before silk-screen printing, a complete silicon wafer semi-finished product is cut into a plurality of small silicon wafers through laser nondestructive cutting, and then chain type passive film deposition equipment is used at the same time and installed before silk-screen printing to form integrated equipment. Performing silk-screen printing and sintering on the cut small silicon wafers through chain type edge passive film deposition equipment to form small batteries; according to the method, a chained atomic layer deposition (CALD) device is particularly adopted, seamless connection with a subsequent chained silk-screen printing step can be achieved, annealing is conducted through a sintering machine, the passivation effect of a passivation film is activated, the purpose of reducing recombination of minority carriers on a cutting face is achieved, and therefore the purpose of improving the photoelectric conversion efficiency of a small cell and the power of a packaged assembly is achieved.

The invention discloses a water-light-storage long-term and short-term collaborative scheduling optimization method, which belongs to the technical field of hydropower and photovoltaic complementary operation, and comprises the following steps: simulating a short-term typical annual runoff process and a photovoltaic process based on multiple scenes; in real-time economic operation, according to a water-light complementation relation, a priority internet access sequence is made, and a water-light-storage complementation strategy is determined; on the basis of the above steps, a target function with the maximum generating capacity as a target is constructed based on the obtained long-term photovoltaic power abandoning curve and the obtained long-term pumping storage utilization photovoltaic curve, then a water-light-storage complementary system model is constructed by combining constraint conditions, the water-light-storage complementary system model is solved by adopting a discrete differential dynamic programming algorithm, and a medium-and-long-term optimal scheduling sample is obtained; the available energy is adopted as an input variable, so that a complementary scheduling function is fitted; and water resources can be more effectively utilized through the complementary scheduling function, so that the hydroelectric generating capacity is improved. And meanwhile, the scheduling flexibility of the hydropower station can be better matched with the instability of photovoltaic power generation, so that the utilization rate of photovoltaic power generation is improved.

The invention discloses a human body energy harvesting device based on a planetary acceleration structure, which belongs to the technical field of energy collection and comprises a mounting mechanism, a planetary acceleration mechanism and a power generation mechanism. The mounting mechanism comprises a fixed rod and an input rod, and the end part of the input rod is movably connected with the end part of the fixed rod; the planetary acceleration mechanism is connected with the input rod, and the planetary acceleration mechanism is used for converting low-frequency motion input by the input rod into high-frequency rotation motion; the power generation mechanism is connected with the planetary acceleration mechanism and used for converting high-frequency rotation motion into electric energy. According to the human body energy harvesting device based on the planetary acceleration structure, low-frequency motion of knee joints can be converted into high-frequency rotation motion of the electromagnetic rotor through the planetary acceleration structure, and the power generation power is greatly improved. According to the invention, the limitation of low-frequency mechanical energy collection in human body activities in the prior art can be effectively solved, and the energy collection efficiency and stability are improved.

The utility model discloses a green curtain wall for subway ground buildings in hot areas, which comprises a plane material component, a support component, a connecting component and a sealing material component, the plane material component is formed by splicing a plurality of groups of photovoltaic glass, the support component is respectively composed of an aluminum alloy cross beam and an aluminum alloy upright post, and the connecting component is connected with the aluminum alloy upright post. The top and the bottom of one side in the aluminum alloy stand column are provided with insulation protection sleeve wire passing holes. According to the photovoltaic curtain wall system, each piece of photovoltaic glass on the curtain wall system is divided into independent small units, and a plurality of photovoltaic curtain wall assemblies are evenly arranged on the outer wall face to form a complete curtain wall; the connecting components are arranged to be connected with the keel cross beams, installation is easy and convenient, independent disassembly can be conducted, and overhaul and maintenance are very convenient and fast; and meanwhile, the photovoltaic glass cable is ingeniously hidden in the curtain wall stand column and the cross beam, so that any change cannot be seen from the appearance, and perfect fusion is realized.

The invention discloses a thermal power plant circulating water pump operation optimization method using a multi-objective culture differential evolution algorithm, a storage medium, equipment and a computer program product. Comprising the steps of collecting historical frequency converter instructions in the thermal power plant circulating water system, circulating water pump parameters under the corresponding frequency converter instructions and condenser vacuum degrees in the thermal power plant circulating water system, determining the normal use range of the frequency converter instructions, and establishing a comprehensive objective function; and in the application range of the frequency converter instruction, with the purpose of minimizing the comprehensive objective function, optimizing the frequency converter instruction by using a multi-objective culture differential evolution algorithm, determining the optimal frequency converter instruction, issuing the optimal frequency converter instruction to obtain the optimal circulating water pump parameter and the optimal condenser vacuum degree, and operating the thermal power plant circulating water pump. The power generation capacity of the thermal power plant is improved on the basis of reducing the energy consumption of the thermal power plant circulating water system, so that the energy consumption is reduced, and the power generation cost is reduced.

The invention discloses a photovoltaic module with an edge creepage area and a preparation method thereof. The method comprises the following steps: providing upper glass, a battery piece, lower glass, a welding strip, a confluence plate and a confluence groove; a slot is formed in any end surface of the confluence groove; the battery piece is pasted on the upper glass, the lower glass is pasted on the battery piece, and one end of the battery piece is connected with the welding strip; the welding strip is bent by 90 degrees relative to the battery piece, so that part of the structure of the welding strip extends upwards along the lower glass and is perpendicular to the battery piece; arranging a bus board on a partial structure of the welding strip, and electrically connecting the battery piece with a bus bar on the bus board through the welding strip; inserting a part of the structure of the welding strip into the slot of the confluence groove, so that the welding strip and the confluence plate are sealed in the confluence groove, and the part of the structure of the confluence groove is arranged on the lower glass; the photovoltaic module can be connected with external equipment through the confluence groove; and filling a packaging adhesive layer between the welding strip and the glass under the condition that the welding strip is not contacted with the confluence groove to complete the preparation of the photovoltaic module.