172 results about "Hybrid power generation" patented technology

The invention relates to the technical field of wind-solar hybrid power generation, and discloses a wind-solar complementary energy storage power station intelligent scheduling method and device based on time sequence analysis, and the method comprises the steps: judging whether a target wind-solar complementary energy storage power station is in a free power generation mode or not based on the operation state of the wind-solar complementary energy storage power station; if the target wind-solar complementary energy storage power station is in the free power generation mode, collecting wind energy output data and photovoltaic output data in a plurality of period windows; performing time sequence analysis on the wind energy output data and the photovoltaic output data in the plurality of period windows, and determining the time sequence similarity of the output data in the adjacent period windows; dynamically adjusting the power generation power of the power station based on the time sequence similarity of the output data in the adjacent period windows to obtain the maximum power generation capacity of the power station; and obtaining a preset adjustment factor, and carrying out generation power allocation on the target wind-solar complementary energy storage power station based on the maximum power generation amount and the preset adjustment factor. According to the invention, efficient power generation of the target wind-solar complementary energy storage power station in different operation states is ensured.

Provided is a method of operating a hybrid power plant, including energy generating units including a wind park and at least one unit of another type of renewable energy source and including an energy storage system, the method including: creating a power production schedule based on an actual forecast of power production, an actual forecast of energy price and actual hybrid power plant status, the power production schedule including at least scheduled power for points in time in the future; and controlling, during the points in time in the future the energy generating units and the energy storage system based on the power production schedule, the hybrid power plant status at the points in time in the future, in particular energy storage system status, such as to dispatch power according to the power production schedule, but complying with any grid operator reference at the points in time in the future.

The invention discloses a water electrolysis hydrogen production control method and device based on wind and light power generation and electronic equipment. The method comprises the following steps: acquiring the operation cost, the electrolytic cell efficiency and the power grid interaction power variation of the wind-solar hybrid power generation hydrogen production system in a first sampling interval; constructing a target function based on the operation cost, the electrolytic cell efficiency and the power grid interaction power variation; determining the wind power generation predicted power of a wind power generation system in the wind-solar hybrid power generation hydrogen production system in the prediction time period and the photovoltaic power generation predicted power of a photovoltaic power generation system in the prediction time period according to a second sampling interval; and based on the wind power generation predicted power and the photovoltaic power generation predicted power, determining a water electrolysis hydrogen production control strategy (including an electrolytic cell power instruction value and an energy storage compensation power instruction value) by taking the minimum function value of the target function as a target. According to the invention, the technical problems of unbalanced power supply and demand and unstable power grid interaction in the wind-solar hybrid power generation hydrogen production system in the prior art are solved.

The invention belongs to the technical field of electromagnetic induction and friction nanometer power generation, and particularly relates to a vibration energy collector based on electromagnetic induction and friction nanometer hybrid power generation. Comprising a friction nanometer power generation unit and an electromagnetic induction unit. The friction nanometer power generation unit comprises an upper insulating support plate, a lower insulating support plate and a friction pair; the friction pair comprises an upper friction assembly and a lower friction assembly, and the upper friction assembly and the lower friction assembly trigger the contact and separation process through external vibration to achieve friction electricity generation. The electromagnetic induction unit comprises a coil, a magnet and a steel body which are sequentially nested, the coil and the magnet are fixedly connected with the upper friction assembly and the lower friction assembly respectively, the steel body is fixedly connected with the lower insulation supporting plate, the magnet and the steel body form a closed magnetic circuit, and the magnet and the coil trigger relative movement through external vibration to achieve electromagnetic power generation. The device is novel in structure and distinct in gradation, integrates a triboelectrification effect and an electromagnetic induction principle, has high-voltage output and high-current characteristics, and can efficiently realize continuous conversion from environment vibration energy to electric energy.

The invention provides a hybrid power generation system grading fault diagnosis method based on health state prediction, and belongs to the field of power engineering.The method comprises the steps that a dynamic rapid simulation model of a hybrid power generation system is established based on the coupling work process of a hydrogen source assembly, a fuel cell and an ammonia-hydrogen fusion internal combustion engine; according to the dynamic rapid simulation model of the hybrid power generation system, parameter characteristic quantities influencing the health state of each unit in the hybrid power generation system are researched, and a hierarchical fault diagnosis mode is established by using a health state prediction technology; real-time monitoring data of the hybrid power generation system are obtained, deep feature extraction analysis is carried out to obtain typical fault features, and a hybrid power generation system hierarchical fault diagnosis model is established in combination with a hierarchical fault diagnosis mode to carry out hierarchical fault diagnosis on the hybrid power generation system; according to the invention, the problems of large dynamic response difference and difficult parameter identification and health diagnosis of the proton exchange membrane fuel cell-ammonia hydrogen fusion fuel internal combustion engine hybrid power generation system are solved.

A hybrid power generation system in one embodiment comprises a green boiler containing a thermal mass composition operable to store thermal energy, a solar energy collection system which absorbs solar energy to heat a first working fluid and in turn the thermal mass composition, and a power generation system comprising a steam turbine coupled to an electric generator to produce electricity and a nuclear steam supply system which convert a second working fluid comprising water from liquid to steam. Steam output by the nuclear steam supply system flows through the green boiler and is heated by absorbing heat from the thermal mass composition to increase the enthalpy of the steam and concomitantly electric power output from the turbine-generator. The nuclear steam supply system and green boiler may be retrofit to replace existing fossil fuel steam generation systems while retaining the energy conversion part of the fossil power plant.

The invention provides a multi-working-condition dynamic adaptive ship hybrid power dispatching system, which is applied to the technical field of ship power systems and energy management, and comprises a data exchange module, a working condition module, a hybrid power generation module and an energy management module, wherein the data exchange module realizes cross-protocol data analysis and unified timestamp packaging, and ensures the consistency and real-time performance of data exchange between modules; the working condition module is used for collecting ship working conditions and generating working condition conversion signals, an EMS in the energy management module is used for calculating a scheduling strategy, and the hybrid power generation module executes power distribution and charge-discharge control of the diesel generator set, the axle generator and the battery pack according to the scheduling strategy. Through the data exchange module, the problems of data delay and errors caused by complex protocol fusion and non-uniform clocks are solved, and the dynamic adaptation and response capability of the ship under complex working conditions is effectively improved.

The invention discloses an integrated heat storage gas-steam combined cycle power generation system and an operation method thereof. The integrated heat storage gas-steam combined cycle power generation system comprises a gas turbine power generation unit, a fused salt heat storage unit and a waste heat boiler steam power generation unit. When sunlight is sufficient, the gas turbine power generation unit is switched to a low-load operation mode, the fused salt heat storage unit heats to generate reheated steam, inlet feed water of the waste heat boiler is preheated, and the peak regulation depth of gas-steam combined cycle is increased; and when sunlight is insufficient, the fused salt heat storage unit continuously releases heat storage capacity to maintain the stability of main steam parameters and quits operation until the heat storage capacity reaches a critical threshold value, at the moment, the gas turbine power generation unit is improved to the reference load to operate, and stable power supply of a power grid is ensured. The novel hybrid power generation system is constructed by fully utilizing the heat storage characteristic of the fused salt and combining the flexible scheduling capability of the gas turbine unit, so that the operation flexibility is improved, the fuel consumption is reduced, and the energy utilization efficiency is improved.

The invention discloses an energy management method for a hydrogen-lithium hybrid power generation system based on power following and fuzzy control, and belongs to the technical field of thermotechnical automatic control, the hydrogen-lithium hybrid power generation system comprises a fuel cell and a storage battery, and the fuel cell is connected to one end of a one-way DC / DC converter; the other end of the one-way DC / DC converter is connected with a load; the storage battery and the super capacitor are connected to one end of the bidirectional DC / DC converter, and the other end of the bidirectional DC / DC converter is connected with the other end of the unidirectional DC / DC converter; the method comprises the following steps: step 1, modeling a fuel cell and a storage battery; step 2, obtaining the power required by the current load and the charge state of the storage battery; and step 3, outputting an output power value of the fuel cell according to fuzzy control. The demanded power of the load is combined with the fuzzy control technology, so that the power of the fuel cell and the power of the storage battery are reasonably distributed, and the dynamic performance and safety of the system are improved.

The invention discloses a long-time emergency hydrogen-lithium hybrid power generation platform, which comprises a fuel cell stack for generating electric energy through electrochemical reaction of hydrogen and air; the air supply subsystem provides stable airflow through an air compressor and an electric control valve, and the hydrogen supply subsystem realizes hydrogen circulation through a hydrogen storage tank and a reflux pump; the thermal management system is used for controlling the temperature of the fuel cell stack through a water pump and a radiator based on liquid water circulation and dynamically adjusting water flow through a thermostat and a main radiator; the power electronic system activates the fuel cell stack and the lithium battery to work cooperatively through the FCU, monitors the state of the fuel cell stack in real time, and adjusts the cooling efficiency; the control and data monitoring system collects temperature, pressure and voltage parameters in real time through multiple sensors. According to the invention, through collaborative optimization of hydrogen energy and lithium batteries and key equipment innovation, an efficient, reliable and zero-carbon distributed energy system is constructed, and technical support is provided for research of long-time emergency supply insurance power generation vehicles.

The invention relates to a solid oxide fuel cell-gas turbine-organic Rankine cycle hybrid power generation system based on low-temperature ammonia reforming. The system comprises a liquid ammonia tank, a flat plate type heat exchanger, a buffer tank, a three-way valve, a fuel compressor, an ammonia reformer, a heat exchanger, a purifier, a solid oxide fuel cell, an air compressor, a mixing chamber, a power electronic converter, a gas turbine, a combustion chamber, a generator, a water pump, a working medium pump, a water tank, a working medium storage tank, a cooler, a working medium evaporator and an expansion machine. The liquid ammonia is used as a raw material to realize on-site low-temperature ammonia reforming hydrogen production, the technical problems of hydrogen storage and hydrogen transportation are effectively solved, and the possibility that ammonia fuel is directly used for a fuel cell to generate nitrogen oxide is avoided. According to the system, heat of the system is fully recycled, the fuel consumption and emission of nitric oxide are effectively reduced, and the economical efficiency and the environmental protection property of the system are improved.

The invention discloses a piezoelectric-triboelectric hybrid power generation device and method based on flow-induced shaking, the device comprises a flow-induced shaking module, the flow-induced shaking module comprises a base, a rotating rod capable of rotating along the base is arranged on the base, a cantilever beam is arranged on the rotating rod, the inner end of the cantilever beam is arranged on the rotating rod, and the outer end of the cantilever beam is arranged on the base. The cantilever beam is provided with a piezoelectric module, the piezoelectric module comprises a piezoelectric plate, and the piezoelectric plate is connected with a first collection circuit; a solid-liquid friction nanometer power generation module is arranged at the outer end of the cantilever beam, the solid-liquid friction nanometer power generation module comprises a container, friction liquid, a friction layer and an electrode are arranged in the container, and the electrode is connected with a second collection circuit.

The invention provides a solid-state ammonia SOFC-PEMFC-GT hybrid power generation system and an operation method thereof. The solid-state ammonia SOFC-PEMFC-GT hybrid power generation system comprises a solid-state ammonia storage-hydrogen production composite module, a high-temperature proton exchange membrane fuel cell, a solid oxide fuel cell, a combustion chamber and a turbine, the solid ammonia storage-hydrogen production composite module is connected with a purifier for purifying hydrogen, the purifier is respectively communicated with the high-temperature proton exchange membrane fuel cell and the solid oxide fuel cell, and the tail gas output ends of the high-temperature proton exchange membrane fuel cell and the solid oxide fuel cell are respectively communicated with the input end of the combustion chamber; the combustion chamber is connected with a turbine which is connected with a generator. In the starting stage, the low-temperature starting of the solid oxide fuel cell is realized; in the stable operation stage, through efficient blending combustion of the combustion chamber, deep chemical heat regeneration is achieved through high-temperature waste gas, the turbine drives the power generator to generate power, and therefore efficient, reliable and green hybrid power generation circulation is achieved.

The present invention discloses a hybrid power generation device with built-in pendulum wave energy in a floating wind turbine platform, belonging to the technical field of offshore wind power generation; it includes a semi-submersible platform, the semi-submersible platform includes a plurality of buoys, connecting rods and mounting rods, a base is provided at the bottom of the buoy, the buoys are divided into an upper buoy and a lower buoy, a wave energy device is provided inside the buoy, a wind turbine is provided on the top surface of the semi-submersible platform, the buoys are connected by an inclined connecting rod, and the mounting rod and the buoys are connected by an intermediate connecting rod and an inclined support rod. The present invention adopts the above structure, and the semi-submersible platform is set on the sea surface to float unstably with the sea surface. With the help of the up and down displacement caused by the unstable floating, the pendulum rod in the internal wave energy device drives the hydraulic cylinder to move up and down to generate electricity. The inertial device is provided to generate electricity, which can absorb the displacement of the floating semi-submersible platform, thereby solving the problem of low stability and safety of offshore wind turbine power generation.

1. The name of the design product: photovoltaic hybrid inverter. 2. The use of the design product: for photovoltaic hybrid power generation. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The invention belongs to the technical field of wind power generation, and particularly relates to a wind-solar complementary power generation system fault diagnosis and identification method and system.The method comprises the steps that voltage, current and surface temperature data of a storage battery pack are collected in real time, and the current change rate at the current moment is calculated; when the current change rate exceeds a set threshold value, marking the current moment as an impact starting point, and intercepting data before and after the impact starting point to form an impact time window; in the impact time window, based on the current variable quantity of each moment, the temperature correction factor corresponding to the surface temperature and the window average current, constructing a load impact strength index of each moment by using a logarithmic function, and constructing a voltage recovery elasticity index of each moment in combination with a standard deviation of voltage fluctuation in the impact time window; and comparing the voltage recovery elasticity index with a preset health threshold to judge whether the storage battery is normal or failed. According to the invention, the accuracy and reliability of fault diagnosis are improved.

The invention discloses a triboelectricity-variable reluctance hybrid power generation device and system of a bearing structure, the triboelectricity-variable reluctance hybrid power generation device of the bearing structure comprises a support frame, a rotating shaft, a rolling shaft, a friction power generation assembly and a variable reluctance power generation assembly, the friction power generation assembly comprises a dielectric ring and an interdigital electrode plate, the dielectric ring is annularly arranged on a retainer of the rotating shaft, the interdigital electrode plate surrounds the periphery of the rotating shaft and is connected with the supporting frame, the dielectric ring and the interdigital electrode plate are adjacent and opposite, the variable reluctance power generation assembly comprises a magnet coil and a gear-shaped nut, the gear-shaped nut is arranged on the rotating shaft in a sleeving mode, and convex teeth are arranged on the peripheral surface of the gear-shaped nut; the multiple magnet coils are arranged in the circumferential direction of the supporting frame at intervals, and the multiple magnet coils surround the periphery of the gear-shaped nut. According to the friction electricity-variable reluctance hybrid power generation device of the bearing structure, in-situ self-sensing of the running state of the bearing can be achieved, the structure is compact, and external power supply equipment and related wiring do not need to be arranged.

The invention discloses a droplet nanometer friction / photo-thermoelectric hybrid power generation device and a preparation method thereof. The hybrid power generation device comprises a liquid drop power generator part and a photo-thermal power generator part, wherein the liquid drop power generator part is mainly formed by integrating a capacitor and liquid drop friction power generation, and the photo-thermal power generator part is mainly composed of a temperature difference semiconductor. The preparation method of the device mainly comprises the following steps: carrying out surface treatment on a zinc sheet, so that a layer of candle ash is uniformly attached to the surface of the zinc sheet to obtain the treated zinc sheet; uniformly coating a layer of polydimethylsiloxane (PDMS) on the surface of the candle ash, and heating in an oven for two hours for curing and forming; fixing a copper electrode on the surface of the PDMS, and welding a lead on the copper electrode and the zinc sheet; the temperature difference semiconductor and the zinc sheet are combined together through heat-conducting silicone grease; a radiation cooling plate is attached to the cold end of the temperature difference semiconductor; and wires are respectively welded at the hot end and the cold end of the temperature difference semiconductor. The droplet nanometer friction / photo-thermoelectric hybrid power generation device provided by the invention is simple in structure and convenient to manufacture, can continuously and stably output direct current voltage without depending on single weather, and has a wide application prospect.

The invention relates to an SOFC-GT-ORC hybrid power generation system with variable dynamic performance for a mobile power generation scene. The SOFC-GT-ORC hybrid power generation system comprises a multi-component gas supply part, a solid oxide fuel cell part, a gas turbine power generation part and an organic Rankine cycle heat recovery part, according to the invention, methane is used as fuel gas to realize variable dynamic performance operation under different power consumption scenes, and the dynamic performance of the system can be quickly regulated and improved through double paths of the system under the power consumption scenes with frequent variable working conditions and high dynamic performance requirements; and the dynamic performance is reduced and the power generation efficiency of the system is improved through system double-path rapid regulation and control in a scene with stable power utilization requirements, so that the matching performance of the power generation system in a user side scene is improved. According to the system, the power generation efficiency of the system is improved by coupling the solid oxide fuel cell and the turbine, and meanwhile, the thermal efficiency of the system is improved by coupling the organic Rankine cycle, so that the system has relatively high thermoelectric efficiency, and the economical efficiency and the environmental protection property of the power generation system are improved.

The invention discloses a hybrid power generation system energy prediction method based on multi-field unified modeling, and belongs to the technical field of power system energy control, and the method comprises the steps: selecting system working parameters, and constructing constraint conditions; constructing dynamic working models of the power generation system, wherein the dynamic working models comprise a hydrogen fuel cell working model and a lithium battery dynamic model; deploying a WSN module to collect working parameters of key parts of the hybrid power generation system in real time, and establishing a standard data set by adopting a dynamic filtering algorithm; classifying the standard data set into a corresponding cluster by adopting a clustering space input algorithm; and establishing a fuzzy prediction model based on a four-layer neural network, extracting related data from the standard data set according to a membership function, taking the related data as input of the fuzzy prediction model, and obtaining an energy prediction value. According to the method, adaptive energy prediction is realized through updating iteration, the energy distribution efficiency is improved, and accurate prediction of multi-field energy in the hybrid power generation system can be realized.

According to the power generation quality control method and system of the tidal current and wind power composite power generation system, the novel power generation quality control method is designed on the basis of a traditional composite power generation system, numerical simulation is conducted by monitoring environmental physical parameters in real time, and the output power of a wind turbine and the output power of a water turbine are obtained; and calculating a power supply and demand error and a corresponding error change rate, and realizing power proportion adjustment of different types of power generation units by utilizing PID control and a preset priority strategy. Compared with a traditional hybrid power generation system which independently controls different power generation units, the hybrid power generation system has the advantages that the hardware cost and the communication delay can be reduced by adopting a unified control mode, and the power output stability is enhanced while the power generation efficiency of the hybrid power generation system is improved.

To provide a power generation device that has less impact on natural environment, is less affected by climate, is excellent in energy efficiency, and has a low manufacturing cost, compared to conventional arts.SOLUTION: A wind / buoyancy hybrid power generation device comprises: (A) a wind power generation unit comprising a tower, a nacelle rotatably provided on an upper part of the tower around a central axis of the tower, a hub rotatably provided on an end part of the nacelle around an axis perpendicular to the central axis, at least one blade provided on the hub, and a first generator arranged inside the nacelle and connected to the hub; and (B) a buoyancy power generation unit comprising a water storage tank configured to store water, a fuel gas introduction unit, a fuel gas recovery unit located above a water surface of storable water, and a fuel gas discharge unit connected to the fuel gas recovery unit, as well as a bubble receiving unit, a belt connected to the bubble receiving unit, a rotor connected to the belt, and a second generator connected to the rotor.SELECTED DRAWING: Figure 1

A hybrid power generation system provided by the present invention comprises: a power generation assembly comprising a rotating column, a plurality of supports and a plurality of photovoltaic panels, the plurality of supports are distributed along the circumferential direction of the rotating column, the plurality of photovoltaic panels are respectively installed on the corresponding supports and extend along the radial direction of the rotating column, and the plurality of photovoltaic panels are connected with the rotating column; the photovoltaic panel facing the sun absorbs solar energy and converts the solar energy into electric energy, and the photovoltaic panel facing the wind coming direction is driven by wind power to drive the rotating column to rotate around the shaft. The wind power turbine is used for converting kinetic energy provided by the rotating column into electric energy, and a speed limiting mechanism is arranged on the wind power turbine and used for limiting the rotating speed of the rotating column so as to protect the photovoltaic panel.

A hybrid power generation system which includes a nuclear facility comprising a nuclear reactor and an exclusion zone. A thermal energy storage, a nuclear steam supply system located, and a solar energy collection system are all located within the exclusion zone. The thermal energy storage vessel contains a thermal mass composition operable to store thermal energy. The nuclear steam supply system has a nuclear reactor and a working fluid loop. The working fluid loop is configured to circulate a working fluid from a steam generator through the thermal energy storage vessel to absorb thermal energy and heat the working fluid for introduction to an electricity generating system. The solar energy collection system includes a heat transfer loop heated via a solar collector. The heat transfer loop is configured to circulate a heated heat transfer fluid to add thermal energy to the thermal mass composition in the thermal energy storage vessel.

The utility model discloses a zero-carbon wind-solar complementary device, which relates to the technical field of new energy power generation, and comprises a protection box, a support column arranged on the protection box, a wind-solar complementary voltage self-adjusting assembly, a solar cell panel assembly, a cell panel single-shaft sun-tracking assembly and a fan assembly. According to the utility model, zero-carbon power supply and cost optimization can be realized through wind-solar complementary power generation, the commercial power consumption cost is greatly reduced, and the annual carbon reduction amount is greatly improved; according to the equipment, the BMS system monitor is matched with the electric energy output of the lithium battery, so that the voltage stabilization performance is greatly improved, and the phenomenon that the screen printing of the equipment is unstable due to voltage fluctuation is avoided; according to the equipment, through the design of the ETFE protective film, the erosion resistance of the surface of the solar cell panel is greatly improved, and the problem that the sunlight collection rate is reduced due to yellowing is avoided.

Proposed is a lighting device using combined power generation. Particularly, in order to maximize an energy saving effect by generating electricity not only during the day but also at night by using power generation through solar heat and heat generated from an LED, the lighting device using combined power generation includes a first power generation part including a first thermoelectric element whose first surface has a high temperature part formed by solar heat, the first power generation part being configured to generate electrical energy by using the first thermoelectric element, a second power generation part including a second thermoelectric element whose first surface has a high temperature part formed by heat generated from an LED module, the second power generation part being configured to generate electrical energy by using the second thermoelectric element, and a cooling part which is provided between the first power generation part and the second power generation part and simultaneously cools a second surface of each of the first thermoelectric element and the second thermoelectric element.

The invention relates to the technical field of negative carbon emission, in particular to a porous liquid direct air carbon trapping device based on wind-solar complementation, a preparation method and application. Comprising a wind-solar complementary power generation and power supply subsystem, a porous liquid absorption and desorption subsystem and an air compression and carbon dioxide collection subsystem, and the wind-solar complementary power generation and power supply subsystem is used for power supply of electric equipment and regeneration of porous liquid; the liquid absorption and desorption subsystem is used for efficiently absorbing carbon dioxide in air and regenerating and recycling a porous liquid material; and the air compression and carbon dioxide collection subsystem is used for compressing and conveying air and collecting and treating carbon dioxide. The porous liquid disclosed by the invention has the characteristics of high CO2 adsorption capacity and low-energy-consumption regeneration, the electric quantity generated by wind-solar complementary power generation is used for absorbing carbon dioxide in the air, and the porous liquid is regenerated and recycled, so that the low-cost operation of the porous liquid direct air carbon capture device is realized; the purpose of efficiently treating carbon dioxide in the atmosphere in a low-carbon mode to relieve the greenhouse effect is achieved.

The invention discloses a quasi-Z-source high-gain three-port DC-DC converter based on a coupling inductor, and belongs to the field of power electronic converters. Three ports of a fuel cell FC, a storage battery Bat and a resistive load R are arranged, on the basis of a Boost converter, a quasi-Z-source structure is adopted, meanwhile, a coupling inductor voltage-multiplying unit is combined, the connection mode of a coupling inductor and a capacitor in a circuit and the on-off condition of a diode are changed by controlling the on-off of three switching tubes, and therefore the voltage-multiplying unit can be used for converting the voltage-multiplying unit into the quasi-Z-source voltage-multiplying unit. Therefore, the voltage gain from the FC port to the R port and from the Bat port to the R port is improved. The invention has the advantages of continuous input current, high voltage gain, common ground input and output, high integration level, high stability and the like, and is suitable for new energy hybrid power generation systems such as fuel cells and photovoltaic cells.

The present invention discloses a method for optimizing and dispatching a water-wind-solar complementary power generation system based on wind-solar forecasting, which relates to the field of intelligent power dispatching technology. The method comprises: collecting historical meteorological data of a target power plant for meteorological clustering to generate multiple weather scene categories; collecting real-time wind-solar meteorological data and performing periodic forecasting to obtain a target weather scene change sequence; generating an initial power supply strategy based on the sequence; analyzing the correlation between wind-solar environmental indicators and power generation modules, extracting key influencing factors and generating a multi-dimensional power generation evaluation network; optimizing the initial power supply strategy using the evaluation network, forming a power supply optimization strategy, and implementing dynamic power generation scheduling. This method solves the technical problem that the existing water-wind-solar complementary power generation system is difficult to achieve flexible power generation ratio adjustment, resulting in low power generation efficiency and low reliability, and achieves the technical effect of dynamically optimizing the power supply ratio of the water-wind-solar complementary power generation system and improving the power generation efficiency and reliability of the system.

The purpose of this invention is to provide a collaborative control method for a ship hybrid intelligent power generation unit based on a torque observer. The method includes an ammonia fuel engine and a three-phase permanent magnet synchronous motor. The ammonia fuel engine uses throttle torque control, and the three-phase permanent magnet synchronous motor uses speed control. The method employs a pre-set smoke limit lookup table, an no-load ammonia injection quantity MAP lookup table, a speed-regulating ammonia injection quantity MAP lookup table, and a feedforward ammonia injection quantity dynamic correction lookup table. The smoke limit lookup table uses boost pressure, boost temperature, and airflow as inputs; the no-load ammonia injection quantity MAP lookup table uses cooling water temperature and estimated speed as inputs; the speed-regulating ammonia injection quantity MAP lookup table uses pedal position and estimated speed as inputs; and the feedforward ammonia injection quantity dynamic correction lookup table uses estimated speed and estimated torque as inputs. This method comprehensively optimizes the ammonia injection quantity to control the ammonia engine speed. This invention estimates the engine speed using the motor speed and the crankshaft angle position using the motor rotor position, thereby saving on the cost of engine crankshaft sensors.