1268 results about "Energy transformation" patented technology

The invention discloses a power supply circuit, a server and a time sequence control method, relates to the field of server power supply, and solves the problem that the demand of loads such as a GPU (Graphics Processing Unit) and a CPU (Central Processing Unit) on short-time peak power is increasingly increased at present. According to the power supply circuit, the long-time power supply module and the peak value compensation module are introduced to work cooperatively, the long-time power supply module provides stable energy conversion, and the long-term stable power supply requirement of a load is met; and the peak compensation module dynamically adjusts power supply according to the load demand and the working state of the long-time power supply module, provides or recovers energy, and meets the instantaneous peak power demand, thereby avoiding the defect that the peak current cannot meet the requirement or needs a large-scale redundancy and high-cost capacitor row in the traditional scheme, and improving the reliability of the system. According to the design, power supply stability can be guaranteed, system cost and size are reduced, and overall power supply efficiency and response capability are improved.

The invention provides a method for constructing a thickened flame surface model of hydrogen turbulent combustion, which belongs to the technical field of hydrogen fuel engines, and specifically comprises the following steps: modeling a diffusion enhancement effect and a flame surface wrinkle effect caused by multi-scale turbulent flow by constructing a hydrogen fuel turbulent flame speed scale rate under a wide working condition; and the combustion process of the hydrogen fuel can be described more accurately. In addition, on the basis of a thin reaction zone combustion mode, key physical quantities are extracted, a combustion efficiency function is optimized, multi-scale turbulence and a difference diffusion effect are considered, and the thickened flame surface model is further perfected. The development of the method provides powerful technical support for the forward design of the hydrogen fuel engine based on numerical simulation, promotes the engineering application of the hydrogen fuel engine, and assists the hydrogen fuel engine to play a greater role in efficient, clean and safe energy transformation.

The unmanned aerial vehicle hydrogen-electricity hybrid power system comprises a vehicle body, a hydrogen fuel cell system, a power cell system and an energy management system are arranged in the vehicle body, and electric energy output by the hydrogen fuel cell system and the power cell system supplies power to a motor through the energy management system; the motor controls the spiral blades, the rotating speed of the motor is independently adjusted, and the posture and movement of the unmanned aerial vehicle are controlled by changing the direction and size of the lifting force; the energy management system is used for performing energy conversion during air speed change and braking of the unmanned aerial vehicle, converting mechanical energy into electric energy, inputting the electric energy into the power battery system, and meanwhile, converting the electric energy to judge whether the unmanned aerial vehicle has a high-power energy supply demand currently so as to adjust energy supply; according to the invention, the service life of the galvanic pile monomers can be prolonged, so that the service life of the hydrogen-electricity hybrid power system module can be prolonged; according to the energy management method, unnecessary energy loss is reduced, and the endurance time of the unmanned aerial vehicle is further prolonged.

The invention provides an energy storage intelligent monitoring method and system for an industrial and commercial energy storage power station, and relates to the technical field of intelligent monitoring, and the method comprises the steps: determining a current impact characteristic and a voltage fluctuation characteristic of an energy storage unit during the switching of a charging state and a discharging state through an operation record of the energy storage power station; extracting the energy conversion rate of the energy storage unit in the charging and discharging state switching process, and determining the transient energy entropy change of the energy storage unit during state switching in the charging and discharging state switching process according to the energy conversion rate and the current impact characteristics; performing compensation cost constraint on the energy inverse difference of the energy storage unit during charging and discharging state switching through transient energy entropy change and voltage fluctuation characteristics to obtain a state constraint parameter of energy compensation of the energy storage unit during state switching; according to the method and the device, the energy balance of the energy storage power station in the charging and discharging state switching process can be realized, so that the operation stability of the energy storage power station is improved.

The embodiment of the invention provides a die forging equipment hydraulic system energy consumption prediction method with a self-learning function, and belongs to the technical field of data processing, and the method specifically comprises the steps: analyzing the energy consumption characteristics of an energy conversion unit of a die forging equipment hydraulic system, and obtaining the key energy consumption characteristics of the die forging equipment hydraulic system; an energy consumption data set is extracted and preprocessed, and an energy consumption feature set corresponding to the data information is extracted in combination with the key energy consumption features; based on the key energy consumption characteristics and the energy consumption characteristic set, using different energy consumption prediction fusion algorithms to construct an energy consumption prediction sub-model of each energy conversion unit; optimizing each energy consumption prediction sub-model through an incremental learning and transfer learning algorithm; evaluating each optimized energy consumption prediction sub-model through cross validation and a preset evaluation index; and performing energy consumption prediction on the energy conversion unit of the hydraulic system of the die forging equipment by utilizing each optimized energy consumption prediction sub-model. Through the scheme disclosed by the invention, the prediction efficiency, accuracy and adaptability are improved.

The invention discloses an electricity-hydrogen coupling system risk scheduling method based on robust safety deep reinforcement learning, and the method comprises the following steps: 1), considering the Faraday efficiency loss effect of an electrolytic cell, and constructing an electricity-hydrogen hybrid energy storage dynamic operation model; 2) considering the wind power uncertainty, and establishing an electricity-hydrogen coupling system risk scheduling model considering the dynamic operation of electricity-hydrogen hybrid energy storage; 3) constructing a robust constraint Markov decision architecture; 4) parameterizing the robust constraint Markov decision architecture by using a flexible action device-evaluator baseline algorithm; and 5) solving the risk scheduling model of the electricity-hydrogen coupling system by using the parameterized robust constraint Markov decision process architecture to obtain a risk scheduling scheme of the electricity-hydrogen coupling system. According to the method, the new safety deep reinforcement learning algorithm is provided for the important requirements of energy low-carbon green transformation and energy safety, efficient and strict management and control of the electric hydrogen coupling system risk are achieved, and the reliability and safety of system operation are guaranteed.

The invention relates to the field of new energy technology and power electronics, and discloses a photovoltaic diesel generator energy storage hybrid off-grid and grid-connected household energy storage system, which comprises a data acquisition and state monitoring module for acquiring photovoltaic, diesel generator, energy storage, load and commercial power states in real time and generating system state parameters; the central control and decision module generates a control strategy containing an operation mode and an energy scheduling instruction; the energy flow and conversion execution module executes energy conversion and flow; the seamless switching control module realizes non-impact switching between modes; the self-adaptive safety protection module dynamically adjusts protection parameters; and the emergency response and recovery module executes black start and active recovery in an emergency state. According to the invention, through the unified central control and decision-making module, photovoltaic, diesel generator, energy storage and commercial power scheduling logics are integrated to form a collaborative energy management core, and the system can carry out global optimization on energy flow in grid-connected and off-grid modes according to a preset priority principle.

The invention relates to the technical field of power systems, and particularly discloses a multi-energy coupling system optimal scheduling method considering grid-connected safety, and the method comprises the steps: constructing a multi-energy coupling system architecture model; the multi-energy coupling system architecture model comprises a renewable energy power generation unit, a traditional energy power generation unit, an energy storage unit, an energy conversion unit and a combined cooling heating and power generation unit; constructing a distributed energy storage optimization operation model based on the multi-energy coupling system architecture model; the constraint conditions comprise charging and discharging constraint, charge state constraint and peak clipping constraint of battery energy storage; carrying out output constraint on the energy conversion equipment; electric vehicle charging station operation constraint; new energy power generation constraint; power balance constraint; public network line transmission power constraint; constraining transmission power of an internal distribution network line; and solving the distributed energy storage optimization operation model by adopting an optimization algorithm to obtain an optimization scheduling scheme. The method has the advantage that scientific and reliable technical support is provided for efficient operation of the multi-energy coupling system.

The invention provides a multi-energy coupling complementary light storage and charging management system. The multi-energy coupling complementation light storage and charging management system comprises a photovoltaic power generation module, an energy storage module, a lithium battery pack, a power grid input end, an energy conversion module, an energy storage management module, an energy scheduling module, an energy storage management module and a power supply management module, electric energy input by a photovoltaic power generation module, an energy storage module and a power grid is allocated through a multi-energy coupling algorithm, a charging management module is used for controlling the stability of the electric energy output outwards, and system control software is used. According to the multi-energy coupling complementary light storage and charge management system, through an innovative multi-energy complementary technology and an energy efficiency optimization algorithm, the problem of energy loss generated in the energy switching process in the prior art is effectively solved, a deep reinforcement learning algorithm and a dynamic energy distribution model are adopted, and the energy efficiency is improved. And electric energy from different sources is intelligently dispatched.

The invention discloses an optimized scheduling method and system for post-disaster recovery of a power distribution network, particularly relates to the technical field of power grid regulation and control, and is used for solving the problem that potential grid-connected potential safety hazards cannot be found in advance before grid connection in the prior art. Acquiring real-time electrical parameter data of the island area and the main power grid, and calculating a phase difference and a frequency deviation between the island area and the main power grid based on a phasor measurement algorithm; according to the detected deviation, the output power and the load state of the distributed power supply in the island area are adjusted in real time, so that the electrical parameters of the island area tend to be consistent with the main power grid step by step; analyzing the energy conversion process of the island area and the main power grid, and evaluating the stability margin before grid connection; extracting complex features of the electrical signals by using a multi-scale signal processing technology, and evaluating the complexity of phase signals of the island region and the main power grid in combination with fractal dimension analysis; and on the basis of the stability margin and the signal complexity, the potential hidden danger degree of grid connection is judged, and when the safety condition is met, grid connection operation is allowed to be executed.

The invention discloses a method for inverting marine primary productivity based on airborne dual-wavelength laser radar remote sensing data, and the method comprises the steps: building a dual-wavelength high-precision water optical characteristic inversion model based on the airborne dual-wavelength laser radar remote sensing data, and obtaining a high-precision marine phytoplankton absorption coefficient vertical section; and inverting the marine primary productivity vertical section distribution coupled with the high-precision phytoplankton absorption coefficient. According to the invention, one laser wavelength is suitable for detecting an offshore sea area, the other laser wavelength is suitable for detecting an open sea area, and the dual-wavelength ocean laser radar improves the maximum detection depth of near and open seas and the inversion precision of the primary productivity vertical section distribution of a typical sea area. And the ocean carbon cycle space-time evolution precision and the observation capability in the aspect of ocean upper-layer energy conversion are further improved.

The invention discloses an energy storage system and method for storing energy by using waste heat, and relates to the technical field of waste heat power generation, and the method comprises the steps: obtaining an operation parameter of each energy storage link through calling a historical energy storage record, and determining an energy conversion rate threshold value of each energy storage process according to the numerical value condition of the operation parameter; screening abnormal records, calculating change rates of operation parameters in the abnormal records, determining the abnormal change rates, and determining characteristic parameters of the energy storage process according to the quantity condition of the abnormal change rates; counting feature records, calculating feature scores of sampling time periods in the feature records, and constructing a feature curve graph of the energy storage process; and drawing a real-time characteristic curve graph of the energy storage process, calculating the system score of the energy storage system by combining the characteristic curve graph of the energy storage process, and judging the early warning state according to the conditions of the system score and the system score threshold, thereby improving the stability of the system.

The invention relates to the technical field of electrochemical energy storage, in particular to a wide-temperature-range active temperature control lithium battery energy storage system which comprises a lithium battery energy storage unit, an active temperature control unit, a battery management unit and an energy conversion system unit. According to the invention, through AI prediction and multi-source cooperative precise temperature control, distributed micro-domain regulation and energy recovery technologies, and in combination with multi-physical field perception, deep learning state evaluation, cloud digital twinborn optimization and graded safety early warning, dynamic adaptation and precise control of the working temperature of the lithium battery in a wide temperature range environment are realized; the battery state evaluation precision and the safe operation reliability are improved, the system energy consumption is reduced, and the service life of the battery is prolonged.

The invention relates to the technical field of energy storage, in particular to a seismic station energy storage system based on a decommissioned vehicle-mounted power battery, which comprises a decommissioned battery module, an energy management module, an energy conversion module, an electric energy storage module, a fault early warning module and a user interface module, wherein the retired battery module is used for collecting a plurality of retired vehicle-mounted power batteries and integrating the retired vehicle-mounted power batteries by adopting series-parallel combination; the energy management module is used for monitoring the retired battery module in real time; the energy conversion module is used for converting the direct current into alternating current; the electric energy storage module is used for storing redundant electric energy; the fault early warning module is used for analyzing potential fault risks; and the user interface module is used for displaying the state information of each module. According to the invention, through efficient battery integration, real-time state monitoring and intelligent energy management, the stability and safety of the power supply are improved, the service life of the battery is effectively prolonged, and maximum utilization of resources is realized.

The invention relates to the technical field of nuclear reactor safety, and particularly discloses a reactor waste heat export, recovery and comprehensive utilization system and method based on a heat pipe, and the system comprises a nuclear energy generation system, a secondary loop energy conversion system, a primary loop waste heat discharge system, a secondary loop waste heat discharge system, and a waste heat recovery and comprehensive utilization system. According to the waste heat recycling system, the heat pipe can be used for heat transfer and storage under the peak regulation operation condition, the nuclear heat use efficiency is remarkably improved, the requirements of various types of energy sources such as electricity and heat are met, and passive export of reactor core waste heat can be achieved through multi-natural-circulation coupling cooperative operation under the condition of a whole-field outage accident. By means of the efficient heat transfer characteristic and the modularization characteristic of the heat pipes, independent operation of the heat pipes can be achieved, the problem of single-point failure of the system can be avoided, meanwhile, separation of a reactor coolant and a cooling medium of a waste heat removal system can be achieved, the inherent safety of a nuclear reactor is remarkably improved, and the requirements of multi-purpose scenes are met; and the purpose of fully utilizing resources is achieved.

The invention discloses an energy-saving permanent magnet motor which comprises a permanent magnet motor body, an energy conversion unit, an energy storage device, a communication interface and an intelligent control unit. The invention also discloses a permanent magnet motor energy-saving method, which comprises the following steps: S1, acquiring the original data of the operation state of the permanent magnet motor through the sensor, and preprocessing the original data; s2, extracting characteristic parameters which influence the running state and the energy recovery efficiency of the motor from the preprocessed data; s3, selecting a prediction algorithm according to the extracted feature parameters, and constructing a prediction model; s4, based on an output result of the prediction model, making an optimization strategy of energy recovery and reutilization; s5, converting the optimization strategy into a control instruction, and sending the control instruction to a motor in real time through a communication interface for execution; and S6, continuously collecting new operation data, and carrying out optimization and iteration on the prediction model and the optimization strategy. The permanent magnet motor and the energy-saving method have the advantages of being energy-saving, environment-friendly, safe, reliable and remarkable in effect.

The invention discloses a carbon quota constraint-based energy transformation optimization method and system. The method comprises the following steps of: firstly, acquiring energy data in a region; determining the total carbon quota and the overall optimization constraint condition of the region, determining an optimal carbon quota distribution mode by using a genetic algorithm by taking the minimum total pollutant emission reduction prediction cost in the region as an overall objective function, and constructing a path emission reduction cost prediction model; and finally, on the basis of the optimal carbon quota distribution mode, determining the carbon quota of each energy consumption type, predicting the emission reduction cost of each emission reduction path in each energy consumption type by using a path emission reduction cost prediction model, and sorting the predicted emission reduction cost of each emission reduction path from large to small. And selecting the emission reduction path corresponding to the lowest emission reduction cost as an energy transformation optimization scheme in the corresponding energy consumption types. According to the method, the emission reduction efficiency can be improved, and the maximum emission reduction effect can be achieved under the condition of limited carbon quota.

Provided are a bidirectional power supply apparatus and system. The bidirectional power supply apparatus includes: an alternating current input port configured to input an alternating current to the bidirectional power supply apparatus; an alternating current output port configured to output the alternating current to an alternating current device; a direct current input or output port configured to be capable of at least transmitting a direct current between the bidirectional power supply apparatus and a direct current device bidirectionally; a bidirectional energy conversion module configured to be capable of at least performing multiple energy conversions on electrical energy inputted to the bidirectional power supply apparatus; and a power management module electrically connected to at least the alternating current input port, the alternating current output port, and the direct current input or output port. The power management module is configured to control an energy conversion manner of the bidirectional energy conversion module according to a port connection status of the alternating current input port, the alternating current output port, or the direct current input or output port.

The invention discloses a lithium battery safety energy storage electric cabinet and an operation management method thereof. The lithium battery safety energy storage electric cabinet comprises a cabinet body, an energy storage system, a heat dissipation fire extinguishing system and a control system, the cabinet body is fixed on the base, and the energy storage management system, the heat dissipation fire extinguishing system and the control system are all arranged in the cabinet body; the energy storage management system comprises a battery module, a battery management system and an energy storage system operation management device; each battery unit is managed and maintained through the battery management system, and the state of the battery is monitored; energy conversion, bidirectional flow and voltage level conversion between an energy storage battery and a power grid are realized through operation management of the energy storage system, and grid connection and disconnection of an electric cabinet are controlled; the environment state in the cabinet body is monitored through the control system, network disconnection is carried out through the battery management system and the energy storage system when abnormal temperature, fire, smoke or combustible gas in the cabinet body are monitored, and cooling and fire extinguishing are carried out through the heat dissipation fire extinguishing system.

The invention discloses a wave power generation device for an island, and relates to the technical field of power generation for the island, the wave power generation device comprises a floating body and a fixed support, the floating body floats along with sea waves, an energy generation mechanism and an energy conversion mechanism are arranged on the inner side of the fixed support, the fixed support does not float along with the sea waves, and the energy generation mechanism is arranged on the top surface of the floating body; the fixed support controls the buoyancy difference value of the floating body based on the moving state of the energy generation mechanism, the energy conversion mechanism is connected with a generator through a transmission mechanism and drives the generator through the transmission mechanism, the generator is connected with a frequency-stabilized voltage-stabilized power supply through a wire, and the frequency-stabilized voltage-stabilized power supply outputs stabilized voltage electric energy. The wave power generation device has the advantages of being high in wave energy conversion efficiency, simple and compact in structure and reliable in operation.

The invention discloses a wind power generation and gravity energy storage combined power supply system and method, and the system comprises a wind power generation unit, a gravity energy storage unit and an intelligent control unit. The gravity energy storage unit is dynamically controlled to store or release energy according to the difference value between the wind power generation real-time power and the threshold value, so that the combined output power is stable. The gravity energy storage unit adopts a symmetrical double-slope supporting tower and double-energy-storage structural design, and bidirectional conversion between electric energy and gravitational potential energy is achieved through a clutch mechanism. And the intelligent control unit dynamically adjusts the floating threshold by combining the predicted wind speed and the historical power fluctuation rate, so that the adaptability of the system to different wind fields is improved. The intermittent problem of wind power generation is solved through cooperative control of power generation and energy storage, the fluctuation amplitude of output power is reduced, peak clipping and valley filling can be achieved through a two-way energy conversion mechanism, energy release and power supply are achieved in the power demand peak period, energy storage is achieved in the valley period, the overall energy efficiency of a power grid is improved, and waste of energy in the power generation peak period is avoided.

A control method of a dual active bridge converter, an energy storage device and a readable storage medium, the control method comprising: determining a feedforward value of an external phase shift angle and an adjustment value of the external phase shift angle according to an electrical parameter of the dual active bridge converter; and controlling the energy conversion of the dual-active bridge converter according to the feed-forward value of the external phase shift angle and the adjustment value of the external phase shift angle. When the dual active bridge converter performs energy conversion according to the generated driving signal, the feed-forward value of the external phase shift angle can be actively adjusted based on the target alternating current so as to adjust the given value of the external phase shift angle, so that the given value of the external phase shift angle can change along with the change of the target power supply current; therefore, the generated driving signal can actively adjust the output actual alternating current in time, and the purpose of reducing the output current or voltage waveform oscillation of the dual-active bridge converter is achieved.

The light source device comprises a laser generator, a convergent lens, a discharge lamp chamber, a detection module and an adjusting module, the laser generator is used for emitting a laser beam, the laser beam enters the discharge lamp chamber after passing through the convergent lens, and plasma in the discharge lamp chamber provides an illumination beam under excitation of the laser beam; the detection module is used for acquiring at least one of the spatial information of the plasma and the power of the illumination light beam, and the spatial information comprises the shape, size and position information of the plasma; the adjustment module is configured to adjust at least one of a cross-sectional energy distribution of the laser beam and a position of the discharge lamp chamber according to at least one of the spatial information and a power of the illumination beam. Therefore, the energy conversion rate is better when the laser beam acts on the plasma, and the effective power output by the illumination beam radiated by the plasma can be improved.

The invention relates to a multi-dimensional evaluation planning method and device for a thermal power plant integrated energy system, and the method comprises the steps: taking a coal-fired power generation unit as a core energy conversion device, and building a plurality of renewable fuel input alternative items except fire coal and a plurality of energy product supply alternative items except electric power; establishing a multi-dimensional evaluation index system; generating a mathematical model of the thermal power plant integrated energy system based on a pre-established thermal balance all-condition mathematical model library of the thermal power plant integrated energy system and the target configuration combination; and generating a final planning scheme and an index evaluation condition of the thermal power plant integrated energy system according to the configuration meeting the preset optimal condition and the equipment capacity. According to the embodiment of the invention, various indexes of the comprehensive energy system based on the thermal power plant are evaluated from multiple angles, and a multi-objective optimization method and the like are adopted, so that the optimization method for comprehensive energy transformation of the coal-fired thermal power generating unit is established, and effective reference is provided for engineering decision-making of comprehensive energy transformation of the coal-fired thermal power generating unit.

According to the new energy power generation and electricity hydrogen hybrid energy storage integrated comprehensive energy system, new energy is used for power generation, and a methane cracking hydrogen production device is used for converting methane into hydrogen to serve as a raw material to be used for power generation of a fuel cell and a micro gas turbine. The problems that due to randomness, volatility and intermittency of wind energy and solar energy, stability energy storage equipment lacks, power supply reliability is reduced, and power supply quality is affected are solved. In addition, the fuel cell and the micro gas turbine take hydrogen as fuel and cannot consume fossil fuel, so that carbon emission and pollution are reduced. Meanwhile, compared with hydrogen production through electrolysis of water, hydrogen production through methane conversion by the methane cracking hydrogen production device, complexity in the energy conversion process is reduced, and the overall energy utilization efficiency is improved. A methane cracking hydrogen production technology is introduced, so that the yield and quality of hydrogen are improved, and the whole process is green, environment-friendly and pollution-free. According to the invention, the energy utilization rate is improved while the carbon emission is reduced.

The invention belongs to the technical field of gravity energy storage, and particularly relates to a high-channel-utilization-rate gravity energy storage system based on vertical circulation operation, which comprises at least one energy conversion shaft, at least one empty return shaft, a top shaft transfer section and a bottom shaft transfer section, the top hoistway transfer section is communicated with the upper part of the energy conversion hoistway or the empty return hoistway through reciprocating translational motion, and the bottom hoistway transfer section is communicated with the lower part of the energy conversion hoistway or the empty return hoistway through reciprocating translational motion; racks are arranged on the inner walls of the hoistways, gears are arranged on the elevator, and the racks and the gears are meshed to achieve movement of the elevator in the circulating hoistways. Compared with an existing steel wire rope or chain annular conveying chain scheme, the conveying load is transferred to different heights of the vertical channel well wall in a distributed mode, the bottom and top horizontal transverse moving mechanism and the vertical load are transferred to a horizontal wheel rail, the conveying capacity is higher, the service life is longer and more reliable compared with a traditional circulating conveying chain cable, and the later operation and maintenance cost is reduced.

Systems comprising a rotary apparatus for inputting thermal energy into fluidic medium is provided, the apparatus being configured to impart an amount of thermal energy to a stream of fluidic medium directed along a flow path formed inside the casing between the inlet and the outlet by virtue of a series of energy transformations occurring when said stream of fluidic medium successively passes through the blade / vane rows formed by the nozzle guide vanes, the rotor blades and the diffuser vanes. The distance between an exit from one row of diffuser vanes and an entrance to an adjacent row of nozzle guide vanes in a direction of the flow path formed inside the casing between the inlet and the outlet is made variable depending on the fluidic medium and flow conditions to regulate the amount of thermal energy input to the stream of fluidic medium propagating through the apparatus.

The invention discloses a multi-loop natural circulation coupling heat removal experiment system, which relates to the technical field of nuclear reactor safety, and is characterized by comprising an integrated pressure vessel, an energy conversion and residual heat removal integrated design loop, a condenser cooling water loop, a thermal insulation material and a measuring instrument, the heat insulation material coats the heat extraction experiment system and is used for reducing energy leakage; and the measuring instrument is arranged on the heat extraction experiment system and is used for measuring and monitoring the flow, the temperature, the pressure and the liquid level. Research is carried out on an integrated pressure container designed in a marine nuclear power source and an energy conversion and waste heat removal integrated system, and three natural circulations are formed in a secondary loop and a condenser seawater section in the integrated pressure container respectively; all natural circulations are coupled into a whole through a steam generator heat transfer pipe and a condenser heat transfer pipe, and waste heat of a reactor core is discharged through coupling of multiple natural circulations, so that shutdown safety of a nuclear reactor is guaranteed.

The invention provides a joint simulation method for calculating coupling dynamics of a wave energy acquisition device. According to the method, co-simulation is carried out through two simulation software, namely STAR-CCM + and AMESim, the STAR-CCM + is used for accurately simulating fluid dynamic interaction between waves and a power generation device, meanwhile, modeling and calculation are carried out on dynamic response of an energy conversion and power generation system through AMESim, and the two simulation software are subjected to real-time data exchange and synchronous operation, so that the energy conversion and power generation efficiency is improved. And the simulation integration and the overall precision are improved.

The invention discloses a torque monitoring method, system and device, a controller, a storage medium and a product. The torque monitoring method comprises the steps that energy conversion data of a vehicle and motion data of the vehicle are acquired; determining a first actual output torque of the motor according to the energy conversion data of the vehicle; determining a second actual output torque of the motor according to the motion data of the vehicle; performing rationality verification on the first actual output torque and the second actual output torque to obtain a rationality verification result; comparing at least one of the first actual output torque and the second actual output torque with a target output torque expected to be output by the motor to obtain a torque comparison result under the condition that the rationality verification result is that verification is passed; and executing a corresponding control strategy according to the torque comparison result. According to the embodiment of the invention, the accuracy and safety of torque monitoring are improved under the condition that the hardware cost is saved.