68 results about "Intermittent power" patented technology

The invention provides an energy-saving thermal-insulation self-adaptive dynamic control method and system for frying and baking equipment, and relates to the technical field of data processing, and the method comprises the steps: 1, collecting the surface temperature distribution, thickness gradient and environment temperature and humidity data of food materials in real time, extracting three-dimensional thermal diffusion morphological features, and generating an initial morphological feature vector; and step 2, based on a real-time deviation value of a set target temperature and an actually measured food material core temperature, a pseudo partial derivative estimation value is calculated in combination with the morphological feature vector, and periodic intermittent power parameters including a duty ratio and a period are generated according to the pseudo partial derivative estimation value. Through multi-source data acquisition and analysis, parameter dynamic calculation and optimization and knowledge base intelligent matching, accurate temperature control, high efficiency and energy saving are realized, and the service life of equipment is prolonged while the food material cooking quality is improved.

The invention relates to a particle size control method, device and equipment for a power grid pressing type atomizer. The method comprises the following steps: collecting an original data set of a voltage grid type atomizer, and determining a target particle size control interval; according to the target particle size control interval, creating an initial intermittent power supply scheme including pulse frequency, pulse width and pulse interval time; executing an initial intermittent power supply scheme, and collecting a current particle size measurement value through a laser scattering sensor; the deviation between the current particle size measurement value and the target particle size control interval is calculated, and a driving parameter adjustment instruction is generated through self-adaptive error compensation; and according to the driving parameter adjustment instruction, correcting the pulse frequency, the pulse width and the pulse interval time in the initial intermittent power supply scheme to obtain a target intermittent power supply scheme. According to the method, the optimal control parameters are formulated for the starting stage, the stable stage and the ending stage respectively, the specific particle size requirements of different atomization stages are met, and real-time high-precision monitoring of the particle size of the fog drops is achieved.

The invention relates to a flexible power supply distribution method and system based on load prediction, and the method comprises the following steps: carrying out the multi-dimensional feature extraction of historical load data of a power supply system, and obtaining a load distribution feature matrix; analyzing the load distribution characteristic matrix to obtain a load change trend parameter; on the basis of the load change trend parameter, performing supply-demand balance calculation on the power supply system to obtain a dynamic power supply distribution scheme; performing stability evaluation and adjustment on the dynamic power supply distribution scheme to obtain a safe and stable power supply distribution scheme; and based on the safe and stable power supply distribution scheme, carrying out real-time correction calculation on the dynamic power supply distribution scheme to obtain a flexible power supply control parameter group, and controlling the power supply system based on the flexible power supply control parameter group, thereby solving the problem that a traditional power supply distribution method mainly depends on a static model and historical data to carry out planning. And the method is difficult to adapt to rapidly changing load conditions and fluctuation characteristics of an intermittent power supply.

The present invention relates to a simplified process and a corresponding device with which waste heat from ammonia synthesis plants, in which the hydrogen required for the production of ammonia is produced by water electrolysis, can be further utilized using low-pressure steam. In this process and the corresponding device, low-pressure steam with a temperature of less than 200°C and a pressure of 5 to 15 bar is generated from the waste heat of the ammonia synthesis plant, which can be used for further purposes. By using low-pressure steam, significant economic advantages can be realized compared to the conventional use of medium-pressure steam when operating the process with intermittent power sources.The present invention further relates to devices designed to carry out such processes, and to plants having a plant part for producing ammonia and a plant part for utilizing waste heat from this plant part, wherein this second plant part is formed from the specified device.

The invention provides a fluctuation collaborative distributed intelligent healing power distribution network method and system. The method comprises the steps that power distribution network operation data and distributed energy dynamic characteristic data are collected in real time; calculating distributed energy real-time output power and line voltage deviation based on a distributed energy dynamic output model; if the line voltage deviation exceeds a threshold value, triggering a multi-agent negotiation mechanism; each agent selects an optimal cooperation strategy through message transmission and strategy updating; and executing self-healing control operation. By collecting the dynamic characteristic data of the distributed energy in real time and establishing the accurate dynamic output model, the power output of the intermittent power supply can be accurately predicted, and the problem of insufficient consideration of the volatility of the distributed energy in the prior art is effectively improved.

The embodiment of the invention discloses an intermittent power supply control circuit and an energy storage power supply thereof. The circuit comprises a power supply module; the pulse power supply module is conducted when a first charging voltage which is received and generated based on the power supply voltage is smaller than a first preset voltage, and transmits the power supply voltage to the enabling control module; closing when the first charging voltage is greater than or equal to a first preset voltage; the enabling control module is used for generating a second charging voltage based on the power supply voltage and outputting a control signal when the second charging voltage is greater than or equal to a second preset voltage; stopping outputting the control signal when the second charging voltage is smaller than the second preset voltage; and the control module is used for driving the power supply module to output power supply voltage when the control signal is not received and stopping driving when the control signal is received. By means of the mode, on the premise that the parallel operation function is normal, hiccup intermittent power supply of the energy storage power supply in the non-parallel operation state can be achieved, electricity consumption in the standby state is reduced, and the electricity utilization rate is increased.

The invention discloses an electricity-hydrogen coupling system optimization operation method for promoting distributed new energy consumption, and the method comprises the following steps: S1, constructing an electricity-hydrogen coupling system, and an energy management and cooperative control strategy of the electricity-hydrogen coupling system; s2, constructing an optimal scheduling model of the electricity-hydrogen coupling system to quantitatively realize the optimal decision of the strategy; and S3, carrying out optimization solution on the optimization scheduling model of the electricity-hydrogen coupling system by adopting a scheduling optimization strategy comprising a day-ahead rolling stage and an intra-day rolling stage to obtain an optimal scheduling scheme. According to the system, surplus electric power of intermittent power sources such as photovoltaic power sources is effectively absorbed through water electrolysis hydrogen production, stored hydrogen energy is fully utilized through hydrogen energy power generation, the new energy consumption rate is greatly increased, and clean energy waste is reduced. By optimizing the operation time sequence of the electric hydrogen equipment, the purposes of peak load shifting and electric charge expenditure reduction are achieved, the utilization of clean energy is improved, meanwhile, good economic benefits are achieved, and a new technical approach is provided for cost reduction and efficiency improvement of the park.

The application provides a double closed loop energy-saving optimization control method applied to an electric dust removal system, according to feedback information of output flue gas turbidity of the electric dust removal system, corresponding adjustment of average secondary current is carried out, an outer ring closed loop control of the electric dust removal system is formed, so that current working power meets the requirement of outlet flue gas turbidity control index; and an optimized duty cycle is used to make the spark number not greater than a constraint upper limit value, an inner ring closed loop control of the electric dust removal system is formed, so as to maintain the working power in the outer ring closed loop control. The application adopts a comprehensive index optimization control strategy combining spark control and intermittent power supply mode, which can not only avoid the safety risk of equipment, but also achieve the best energy-saving effect.

The application provides a platform type sea wave power generation device, which comprises a supporting platform, a supporting column, a conversion assembly, a floater assembly, an energy storage assembly, a transmission and a generator, wherein the floater moves up and down under the action of sea waves, and drives a chain wheel to move up and down in the moving process; the chain wheel contacts a first piston oil cylinder when moving up and down; the first piston oil cylinder converts pressure into hydraulic oil; the hydraulic oil is connected with a second piston oil cylinder through a hydraulic joint and a pipeline; the second piston oil cylinder transmits the hydraulic pressure to a force transmission assembly; the force transmission assembly can contact a one-way ratchet wheel, converts the hydraulic pressure into power, makes a rotating shaft rotate, and transmits the rotating power to the generator through the transmission; the number of the first piston oil cylinder and the second piston oil cylinder is one-to-one; intermittent power is generated, energy is stored and power is generated, the device has simple structure, low cost and high power generation efficiency.

The invention relates to the technical field of power stations, in particular to a gravity buoyancy power station which comprises a plurality of air pressure assemblies, an auxiliary source force well, a power generator, an output air storage tank and a back supplement air storage tank, and the air pressure assemblies and the auxiliary source force well are used for generating compressed airflow. According to the power station, natural force of gravity and buoyancy is utilized, a large amount of fuel does not need to be consumed, the power generation cost is reduced, the efficiency of the system is improved, and the energy loss is reduced; intermittent power generation of the auxiliary generator is used for equipment power supply back compensation and power supply to the battery pack, dependence of external power is reduced, the cost is further reduced, pollutants are not generated in the operation process, and pollution to the environment is avoided. Compared with a traditional thermal power station, the system has the obvious environment-friendly advantage. The operation noise of the power station is relatively low, and no interference is caused to the surrounding environment and the life of residents.

The invention relates to the field of liquid cooling heat dissipation plates, in particular to a liquid cooling heat dissipation plate with a water nozzle structure, which comprises a heat dissipation plate body and an assembly, a monitoring mechanism is arranged on the rear side of the heat dissipation plate body, and a micro servo motor and a controller are arranged on one side of the assembly; an arc-shaped water channel is arranged in the heat dissipation plate body, a plurality of symmetrically-arranged circular openings are formed in one side of the water channel, and conduction mechanisms are rotationally connected into the circular openings in a sealed mode; after water flow is closed, static water flow can be effectively monitored through cooperation of the conduction mechanism, the monitoring mechanism and the controller, once water leakage occurs, slight water flow caused by water leakage is used for driving related rotating parts, then intermittent energization is achieved through circuit connection design, the mechanism can sensitively capture the water leakage phenomenon, and therefore the water leakage phenomenon is avoided. Accurate signals are provided for subsequent maintenance, and the risk of serious consequences caused by the fact that water leakage is not found in time is reduced.

A system for producing hydrogen includes a thermally insulated chamber including a sidewall formed of thermally insulative material and heating elements embedded in the sidewall. The heating elements are coupled to an intermittent power source, and the heating elements heat an interior of the thermally insulated chamber responsive to electrical power from the intermittent power source. The thermally insulated chamber includes an inlet port for receiving sulfuric acid from a sulfur-iodine chamber, a first outlet port for piping sulfur dioxide into the sulfur-iodine chamber and a second outlet port for piping hydrogen and water into a water condenser. The system includes a controller that controls electrical power from the intermittent power source to the heating elements based on an interior temperature of the thermally insulated chamber. The thermally insulated chamber impedes a decay of the interior temperature for an interval of time that the intermittent power source is unavailable.

A device for monitoring the operating state of an elevator with multisensor fusion, comprising an elevator car (1), characterized in that a main housing (2) is fixedly connected to the top of the elevator car (1), wherein a constant current supply circuit (3) is fixedly connected to the outer surface of the main housing (2) and an intermittent power supply circuit (4) is fixedly connected to the outer surface of the main housing (2); a trip switch (5) is positioned on the outer surface of the main housing (2) corresponding to the intermittent power supply circuit (4), an infrared sensor (6) is fixedly connected to the upper inner surface of the car (1) and the infrared sensor (6) is electrically connected to the main housing (2).

The invention discloses a real-time monitoring method and system for new energy electric power, relates to the technical field of new energy electric power system monitoring and control, and aims to construct an early warning model so as to accurately capture a sudden change point of power change, improve the accuracy of prediction switching time, provide early warning for normal operation of electric power equipment and solve the problems that new energy electric power is greatly influenced by the environment and the operation is not convenient. In the prior art, the output power has intermittence, the state switching time is difficult to predict accurately, the previous intermittent duration in a plurality of previous monitoring periods is obtained based on the predicted switching time, the stability of the intermittent duration is quantized, the predicted switching duration is obtained, and the new energy electric power is supplied to the subsequent new energy electric power according to the intermittent rule and duration of the new energy electric power. And data support is provided for the duration of switching and using the standby power supply.

The present application relates to a control method, system, storage medium and distribution system for a power distribution system, and relates to the field of power distribution technology. The method includes: obtaining circuit parameters and stability requirement parameters of a current load device of the power distribution system; calculating the total power demand of the current load device based on the circuit parameters; obtaining the type of power supply used by the power distribution system, which includes a stable power supply and an intermittent power supply; calculating a first total power supply provided by the intermittent power supply, and calculating the difference between the total power demand and the first total power supply to obtain a second total power supply corresponding to the stable power supply; calculating a first trusted power supply and a first untrusted power supply in the first total power supply; and distributing power to the current load device according to the stability requirement parameters, with the first trusted power supply, the first untrusted power supply and the second total power supply as objects to be distributed. The present application has the effect of improving the power distribution effect of the power distribution system.

The present application discloses a heat exchange regulation system for a battery pack, comprising a microchannel heat exchanger, a plurality of interdigital electrodes, a swinging assembly, and a local early warning module. The microchannel heat exchanger is provided with a flow channel, and the local early warning module induces electroosmosis through the interdigital electrodes, thereby removing bubbles near the interdigital electrodes. The swinging assembly comprises a first magnetic component and a plurality of swinging components. The local early warning module controls the intermittent power supply of the first magnetic component to drive the swinging component to swing, thereby shearing and peeling off bubbles attached to the wall of the flow channel. By superimposing the mainstream of the electroosmotic flow and the swinging eddy current, the bubbles in the flow channel are reduced, and the local thermal resistance is significantly improved. The local early warning module adopts the coupling control of the DRL adaptation layer and the LAMPC execution layer to achieve real-time defoaming and optimize the flow and heat exchange performance. Through the closed-loop control strategy of coordinated sensing of temperature and pressure, coordinated defoaming of electroosmotic flow and mechanical disturbance, intelligent early warning, and dynamic feedback optimization, efficient and stable operation of microchannel heat exchange under high heat flux density is achieved.

The application relates to a real-time monitoring method and system for new energy power, relates to the technical field of new energy power system monitoring and control, constructs an early warning model, can accurately capture the mutation point of power change, improves the prediction accuracy of switching time, provides early warning for the normal operation of power equipment, solves the problem that new energy power is greatly affected by the environment, output power is intermittent, and the state switching time cannot be accurately predicted, based on the predicted switching time, obtains the past intermittent duration in a plurality of past monitoring periods, quantizes the stability of the intermittent duration, obtains the predicted switching duration, and provides data support for the duration of switching to the standby power source according to the law and duration of the intermittent power of new energy power.

This invention provides an energy management system for use with an electrified cracker (e-cracker) furnace, such as a bio-oil, naphtha or ethane cracker. The system comprises a feed comprised of a combustible tail gas obtained from an e-cracker furnace. A controller that monitors a supply of electrical power to an e-cracker and controls the feed. An electrical power generator is configured to utilise the combustible tail gas as a source of fuel and is in gaseous communication with the feed. In use, the controller is configured to detect or anticipate a deficit in the supply of electrical power to the e- cracker below a threshold level and when a deficit is detected or anticipated to supply the combustible tail gas to the electrical power generator in order to generate sufficient electrical power to compensate for the deficit in the supply of electrical power. Processes for operating an e-cracker furnace comprising the system are also provided.

The utility model relates to a high pressure wind power generation device of reserveable, including tower, cabin and hub, the hub outside is connected with a plurality of blades, the tower is installed with hydraulic cylinder, the cabin is equipped with horizontal pivot, first umbrella gear, the cabin is equipped with vertical pivot below horizontal pivot, second umbrella gear, vertical pivot is installed with crank connecting rod mechanism, and the piston rod of hydraulic cylinder is connected with crank connecting rod mechanism, and the piston rod is connected with the piston in the hydraulic cylinder, the high pressure gas pipe is connected on the hydraulic cylinder, and the other end of high pressure gas pipe is connected with gas storage power generation equipment. Through compressed air energy storage, the double structure of energy storage and power generation solves the problem that wind power cannot match power demand in real time, can store redundant energy when wind speed is strong but grid load is low, releases energy when wind speed is insufficient or power consumption is high, significantly improves the output stability and scheduling ability of wind power system, and makes wind power change from intermittent power to regulating power.

The application provides a roasting equipment energy-saving heat preservation self-adaptive dynamic control method and system, relates to the technical field of data processing, and the method comprises the following steps: step 1, real-time collection of food material surface temperature distribution, thickness gradient and environmental temperature and humidity data, extraction of three-dimensional heat diffusion shape characteristics, and generation of an initial shape characteristic vector; step 2, based on the real-time deviation value of the set target temperature and the measured food material core temperature, the shape characteristic vector is combined to calculate the pseudo partial derivative estimate value, and the periodic intermittent power parameters, including the duty cycle and the period, are generated according to the pseudo partial derivative estimate value. Through multi-source data acquisition analysis, dynamic calculation and optimization of parameters, intelligent matching of the knowledge base, precise temperature control and efficient energy saving are realized, and the service life of the equipment is prolonged while the cooking quality of the food material is improved.

A method operating an electrolyzer system includes producing hydrogen by electrolysis of steam in at least one electrolyzer cell stack of the electrolyzer system using power received from an intermittent power source, detecting a reduction in a level of power received from the intermittent power source below a first threshold, decreasing a rate of producing hydrogen in response to the detected reduction in the level power below the first threshold, detecting a reduction in a level of power received from the intermittent power source below a second first threshold that is lower than the first threshold, and switching the electrolyzer system into a hot standby mode in which the electrolyzer system does not produce hydrogen and maintains the least one electrolyzer cell stack above a predetermined threshold temperature.

The devices, systems, and methods described herein are directed to buffering the electrical energy output from an intermittent power source before storing the electrical energy in a battery storage system. In some examples, a buffering module receives electrical energy from the intermittent power source at a first rate that exceeds a threshold charging rate of a battery storage system. The buffering module temporarily stores the electrical energy before outputting the electrical energy to the battery storage system at a second rate that is at or below the threshold charging rate of the battery storage system.

The invention belongs to the technical field of capture, utilization and storage of unconventional reservoir CO2, and particularly relates to a method for realizing combination of reservoir CO2 utilization and storage flow by utilizing an electric field. The positive electrode and the negative electrode are placed in the injection well and the production well correspondingly, and CO2 is greatly adsorbed through electrocatalytic oxidation of the injection well; and the CO2 concentration gradient is formed in the injection well and the production well through intermittent power failure, CO2 is promoted to move from the injection well to the production well in a spontaneous diffusion mode, and gas channeling is reduced. Meanwhile, an electrocatalytic reduction reaction is generated in a production well, in order to solve the problem that the efficiency of reducing CO2 into carbonaceous substances through electrocatalytic reduction at present is insufficient, a hydroxylation-containing nano-catalyst is involved, and CO2 is adsorbed through hydroxylation groups, so that the conversion efficiency of reducing the carbonaceous substances through CO2 is improved. According to the method, the utilization and storage efficiency of CO2 can be improved, the recovery efficiency of the oil reservoir is improved, energy safety is guaranteed, and emission of greenhouse gas is reduced.

The application discloses a flywheel energy storage system and a thermal power unit frequency modulation system, and belongs to the technical field of energy storage and power system frequency modulation. The flywheel energy storage system comprises an energy interaction optimization module, a storage state intelligent regulation and control module, an operation safety monitoring module and an energy efficiency improvement optimization module. The energy interaction optimization module is used for adaptively matching the characteristics of intermittent power sources, adopting new power devices and setting virtual capacitor buffer logic. The storage state intelligent regulation and control module is used for dynamically adjusting the flywheel rotating speed, scheduling multiple flywheels and distributing the energy storage capacity. The operation safety monitoring module is used for collecting multiple parameters in real time, early warning faults through deep learning and triggering energy discharge. The energy efficiency improvement optimization module is used for establishing a loss model to compensate for losses, controlling heat dissipation in different regions and standby low-power consumption control. The flywheel energy storage system is high-efficiency, safe and economical, and is promoted to deeply cooperate with the thermal power unit, so that the response speed, control accuracy and economy of power grid frequency modulation are improved.

A method operating an electrolyzer system includes producing hydrogen by electrolysis of steam in at least one electrolyzer cell stack of the electrolyzer system using power received from an intermittent power source, detecting a reduction in a level of power received from the intermittent power source below a first threshold, decreasing a rate of producing hydrogen in response to the detected reduction in the level power below the first threshold, detecting a reduction in a level of power received from the intermittent power source below a second first threshold that is lower than the first threshold, and switching the electrolyzer system into a hot standby mode in which the electrolyzer system does not produce hydrogen and maintains the least one electrolyzer cell stack above a predetermined threshold temperature.

The application provides a control method, system, device and storage medium for a hydraulic generator, and belongs to the technical field of wave energy generation, the method comprising: acquiring real-time operation data of the hydraulic generator, inputting a power generation power optimization model in combination with a preset water power coefficient to obtain ideal wave energy power generation power; obtaining actual output power of the generator through a maximum power point tracking algorithm; determining a working condition according to the real-time data and the actual output power: if it is a continuous power generation mode, generating a smaller first control angle instruction to make the hydraulic generator continuously generate power; if it is an intermittent power generation mode, generating a larger second control angle instruction to make the hydraulic generator intermittently generate power. The control method, system, device and storage medium for the hydraulic generator provided by the application generate corresponding control angle instructions for different power generation modes, thereby effectively adjusting the output voltage of the hydraulic generator to adapt to the change of wave energy, and improving the power generation stability and equipment operation safety.

The application discloses a kind of energy storage operation optimization methods considering local intermittent power income, steps are as follows: 1) obtain the predicted value of the intermittent power output power of this day and the predicted value of the power load of local consumer, and the predicted data is used to construct mathematical model, 2) construct the mathematical model of energy storage operation optimization model, 3) call mathematical optimization solver to solve mathematical model, obtain the output value of mathematical model, 4) according to the output value, the operation arrangement of energy storage and the total income value of energy storage+intermittent power are obtained.The application solves the energy storage operation optimization problem of distributed energy operator with energy storage and intermittent power participating in electric energy transaction under time-of-use pricing environment, and the optimization target of energy storage operation is the overall income (energy storage+intermittent power) of distributed energy operator in electric energy transaction under the condition of priority to meet the power demand of local consumer.

The invention discloses a water valve controller which comprises an MCU (Microprogrammed Control Unit) control module for circuit control, a power supply module, an output control module which is respectively connected with the MCU control module and the power supply module and is used for controlling the work of a pulse electromagnetic valve for water supply control, and a ground cutting circuit which is connected with the MCU control module and is used for ground control, the ground cutting circuit is further connected with the power supply module and the output control module, the MCU control module is further connected with an intermittent power supply control circuit used for intermittently supplying power to the communication module according to setting, and the intermittent power supply control circuit is connected with the power supply module. A reverse protection loop used for converting reverse electric energy into heat energy to be consumed and protecting a circuit is arranged in the output control module, and the reverse protection loop is connected with the power supply module. The method can effectively improve the power supply time limit, guarantees the communication stability, and saves the use cost.

The utility model relates to the technical field of gas detection, and discloses a low-power-consumption combustible gas detector. The objective of the utility model is to solve the technical problems of overhigh power consumption and difficulty in giving consideration to response speed and low power consumption due to the adoption of a continuous power supply mode in a traditional detector in the prior art. The detector comprises a detector main control board, the detector main control board is in communication connection with a sensor module, the sensor module comprises a main control MCU, and the input end of the main control MCU is connected with a gas detection unit and a temperature detection unit; the output end of the power supply unit is respectively connected with the detector main control board and the main control MCU; the master control MCU is an HC32L110 chip, and a PB1 pin of the HC32L110 chip is connected with the power supply unit so as to realize intermittent power supply control of the combustible gas sensor. According to the combustible gas detector, the power consumption of the sensor part is greatly reduced, and the modular sensor structure is convenient to maintain and replace; the differential operational amplifier circuit of the gas sensor has high-precision reference voltage, and reduces the error of gas detection, acquisition and conversion.

The application provides a fluctuation coordination distributed intelligent healing power distribution network method and system, the method comprises the following steps: collecting power distribution network operation data and distributed energy dynamic characteristic data in real time; calculating distributed energy real-time output power and line voltage deviation based on a distributed energy dynamic output model; triggering a multi-agent negotiation mechanism if the line voltage deviation exceeds a threshold; each agent selects the optimal coordination strategy through message passing and strategy updating; and performing self-healing control operation. By collecting distributed energy dynamic characteristic data in real time and establishing an accurate dynamic output model, the power output of intermittent power sources can be accurately predicted, and the problem of insufficient consideration of the fluctuation of distributed energy in the prior art is effectively improved.