25 results about "Intermittent power" patented technology

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.

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 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.

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.

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.

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 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.

The utility model relates to an intelligent gas meter dual power supply switching power supply circuit, which adopts dual power supply design, automatically switches to the power supply with higher voltage by utilizing the voltage drop characteristic of diode, and does not need external control unit. At the same time, super capacitor is added as backup power supply to provide emergency power supply when dual power supply is powered off, ensuring data storage and valve operation. The power output module also has power supply control function, and realizes intermittent power supply or constant power supply through MOS tube, meeting the low power consumption requirement. In addition, the voltage conversion module works cooperatively to meet the high and low voltage load requirement, reduce power consumption, and prolong battery life. This design significantly improves the stability and reliability of the intelligent gas meter power supply system, providing users with more durable and stable use experience.

The invention belongs to the technical field of copper-clad plate packaging, and particularly relates to an edge sealing device and method for copper-clad plate packaging. The device comprises a rack, a conveying unit, an ultrasonic edge sealing unit, a pressing adjusting unit, a smoothing unit, a control unit and an anti-static module. The ultrasonic edge sealing unit is used for conducting dynamic high-frequency vibration fusion edge sealing on packaging bags in the continuous conveying process, intermittent power supply is triggered through an infrared sensor to achieve energy saving, the pressing adjusting unit is used for adjusting the edge sealing pressure and gap, the flattening unit ensures that the packaging bags are flat, and an ion wind bar and a grounding guide roller eliminate static electricity. By means of the method, continuous and automatic edge sealing operation of copper-clad plate packaging can be achieved. Compared with traditional hot melting edge sealing, energy is saved by 60%-80%, the edge sealing time does not exceed 0.5 second, the edge sealing strength is improved by 20% or above, no adhesive is used, no VOCs are discharged, adaptability is high, and the moisture-proof and anti-static requirements of the copper-clad plate are met.

The application discloses a kind of active power distribution system island division and autonomous operation method and system.The application includes: after the failure of active power distribution system, establish the island division model of active power distribution system based on loop elimination radial constraint;Establish the output model based on small hydropower station, gas power station, energy storage system, wind farm and photovoltaic power station;According to island division model and output model, construct the autonomous operation model of active power distribution system island real-time operation considering alternating current flow and steady-state security constraints;To the autonomous operation model, the active power output control of intermittent power source considering prediction error is used.The application can effectively balance the output fluctuation of intermittent power source in power distribution island, and can tolerate distributed power output prediction error to a considerable extent, and has higher solving efficiency, is conducive to realizing the online decision of the active power distribution system recovery.

The present application belongs to the field of wave energy generation, and particularly relates to a wave power generation device based on symmetric double pendulums and return springs and a power generation method. The device comprises a floating shell, the bottom of which is moored by an anchor chain. A double pendulum system that can rotate around a central main shaft is arranged in the shell, the double pendulum is constrained by a return spring, and is provided with a bidirectional driving pawl. The reciprocating motion of the pendulum is converted into unidirectional rotation through a ratchet-wound spring mechanism, and the wound spring plays a role of gentle energy and buffering energy storage. The rotary motion drives a generator to generate electricity through a speed increasing transmission chain composed of a conical gear, horizontal and vertical double gear. The device is provided with a lock mechanism, which locks the gear and stores energy in the wound spring when the wave is high, and releases the energy to realize intermittent power generation when the energy accumulates to a threshold value. When the wave direction is not perpendicular to the balance position of the double pendulum, the asymmetric swing torque will drive the entire central main shaft to rotate through the return spring and the limiting device, so that the double pendulum automatically aligns with the incoming wave direction, realizing omnidirectional self-adaptation.

This application proposes a method for seamless active and reactive power coordination optimization of electric vehicles (EVs) in power distribution networks, within the field of EV charging / discharging and intermittent power source coordinated scheduling technology. First, it establishes a single EV seamless control model considering user preferences, classifying users into four categories—orderly charging, bidirectional charging / discharging, elastic demand, and fast charging priority—and defining their operating boundaries to achieve differentiated and precise control. Second, it employs a dynamic aggregation method, updating cluster adjustability based on real-time status to improve assessment accuracy. Finally, it constructs a multi-objective coordinated optimization model, integrating resources such as capacitor banks, photovoltaic systems, and EV clusters to collaboratively optimize voltage quality, load peak shaving, and operating costs. This solution addresses issues such as voltage exceeding limits, load peak-valley differences, and insufficient multi-resource coordination caused by the high proportion of new energy and EV integration, achieving the beneficial effects of effectively improving voltage quality, balancing load, and enhancing economic efficiency while ensuring a seamless charging experience for users.

This invention addresses the lack of existing electrostatic precipitator (ESP) control methods for multiple process stages, highlighting the need for further energy consumption reduction in ESP systems with multiple process stages. It proposes a high-voltage control method for ESPs based on different manufacturing process stages, belonging to the field of ESP technology. By monitoring the flue gas emission velocity at each manufacturing process stage, the flue gas emissions are divided into three stages. Control schemes for each high-voltage electric field within the ESP are formulated according to the emission characteristics of each stage. This invention provides precise time-segmented control of the high-voltage electric fields across multiple process stages, utilizing the capacitive characteristics of the high-voltage electric fields for intermittent power supply. While meeting emission requirements, this further reduces the energy consumption of the ESP system.

The invention belongs to the field of wave power generation, and particularly relates to a wave power generation device and method based on symmetrical double pendulums and reset springs, the device comprises a floating shell, and the bottom of the floating shell is moored through an anchor chain. A double-pendulum system capable of rotating around a central main shaft is arranged in the shell, and double pendulums are restrained through a reset spring and provided with a bidirectional driving pawl. Reciprocating motion of the pendulum is converted into one-way rotation through a ratchet wheel-vortex spring mechanism, and a vortex spring plays a role in smoothing energy and buffering and storing energy. And the rotating motion passes through a speed-increasing transmission chain formed by a conical large gear and horizontal and vertical duplicate gears, and finally drives a generator to generate electricity. The device is provided with a locking and stopping mechanism, the gear is locked and stopped when the wave height is small, energy is stored in the vortex spring, and the energy is released after being accumulated to a threshold value to achieve intermittent power generation. When the wave direction is not perpendicular to the balance position of the double pendulums, asymmetric swinging torque can drive the whole center main shaft to rotate through the reset spring and the limiting device, so that the double pendulums are automatically aligned to the wave incoming direction, and omnidirectional self-adaption is achieved.

The application discloses a kind of scheduling optimization method and system considering source load bilateral uncertainty, the method includes: first, the planned data of power grid is brought into the security constrained unit commitment model constructed in advance to obtain the scheduling plan of conventional unit optimization calculation;Then the branch or section flow distribution when intermittent power is connected to power grid in the scheduling plan period of the conventional unit is calculated;Finally, the branch or section flow distribution when intermittent power is connected to power grid is based on the conventional unit scheduling plan optimization;The security constrained unit commitment model is constructed based on the uncertainty of demand response load under price incentive;The conventional unit includes coal-fired unit and gas turbine unit;The intermittent power includes wind turbine and photovoltaic unit.The present application overcomes the shortcomings that large-scale wind power integration does not specifically consider the mathematical characteristics and distribution law of wind power uncertainty, while considering the uncertainty factors of demand response.

The application discloses a photovoltaic and wind power and direct air capture comprehensive energy utilization system in a desert gobi. The system comprises a direct air capture device, a renewable energy power supply unit and a central controller. The controller is configured to calculate marginal capture energy efficiency reflecting the electric capture efficiency, and generate a dynamic power cutoff threshold according to the external energy state; at the same time, the net adsorption accumulation of the adsorption bed is tracked in real time, and a regeneration heat penalty factor is calculated. Based on the double interlocking logic, the controller compares the energy efficiency and the threshold, the heat penalty factor and the heat economy limit value in turn, and controls the system to automatically switch between the adsorption operation, the sealing suspension and the regeneration heating mode. The application solves the problems of energy efficiency attenuation and heat energy waste caused by frequent start and stop of the system by adaptively matching the intermittent power fluctuation, and improves the comprehensive economy of the system.

The invention discloses an intermittent power supply structure and method for a black start circuit of a high-voltage cascade energy storage system, and the structure is characterized in that a bridge arm controller is in optical fiber communication connection with a pile controller, and the pile controller is in communication connection with a BMU controller and a programmable timer chip; in each energy storage unit, the two ends of the battery module with the lowest potential are sequentially connected in parallel with a voltage-stabilized power supply circuit, an auxiliary source switch control circuit and an auxiliary source module; the stabilized power supply circuit provides a working power supply for the programmable timer chip; the auxiliary source switch control circuit comprises semiconductor switch devices Q1 and Q2, the Q1 is connected in series between the positive electrode of the battery module and the positive electrode of the auxiliary source module, and the control end of the Q1 is connected with the Q2; the control end of the Q2 is connected with the output end of the programmable timer chip, and the Q2 is connected with the negative electrode of the battery module. Power is directly taken from the cell stack, the circuit structure is simplified, the cost is reduced, the working mode is dynamically adjusted according to the state of charge of the cell, the standby power consumption is reduced, and the operation reliability and economical efficiency of the system are improved.

The utility model relates to power supply device technical field especially is a kind of fast charging CoolMOS power supply device for consumer electronics, including power supply device ontology, the power supply device ontology bottom end fixedly connected with external component and adsorption fixed component, the external component includes bottom plate, fixed mouth and sliding slot are set up in bottom plate inboard, the sliding slot lower end fixedly connected with linear spring, the bottom plate top end fixedly connected with spring telescopic link and RVS electric wire, the adsorption fixed component includes upper fixed cylinder, the upper fixed cylinder bottom end fixedly connected with rubber bellows, the rubber bellows bottom end fixedly connected with lower fixed cylinder, the rubber bellows inboard is set up with the communication passage, the lower fixed cylinder outside fixedly connected with external sliding plate, in the utility model, device can effectively prevent and disconnect from socket under high vibration environment, significantly reduce the case of bad contact and intermittent power failure, to improve the stability and security of use.

This invention discloses an intermittent twin satellite power generation system based on temperature difference initiation and its control method. The system includes a first and second phase change chamber with identical structures, a turbine generator set, a shading switching component, a heat dissipation and radiation component, a power regulation and energy storage unit, and a control unit. The two phase change chambers are connected to the turbine generator set through a gas power-generating circuit with a switching valve and a condensation return circuit with a check valve. The shading switching component can selectively expose one chamber to sunlight while shading the other. The heat dissipation and radiation component dissipates heat from the shaded chamber. The control method uses pressure difference to drive the working fluid vapor to generate electricity, with the exhaust gas condensing in the low-pressure cold chamber. When the pressure difference is exhausted, the shading plate switches the roles of the two chambers, entering a reverse power-generating cycle. The intermittent power generation pulses are smoothed by the energy storage unit and then continuously output. Utilizing the inherent temperature difference in space as its driving force, it does not rely on solar irradiance intensity, providing a novel high-power-density, long-life energy solution for deep space exploration and highly maneuverable satellites.

This invention discloses an underground hydrogen storage system coupled with pumped hydro storage, belonging to the field of underground hydrogen storage technology. The system includes a hydrogen production and compression unit, a pumped hydro storage-underground hydrogen storage geological pressure dual control unit, a hydrogen dissolution separation-heat closed-loop unit, an adsorption purification-regeneration unit, and a main controller. Each unit is controlled by the main controller to achieve system-wide adaptive regulation; the main controller incorporates a geological stress-hydrogen storage pressure dual-closed-loop PID control algorithm. This invention achieves deep coupling of pumped hydro storage and underground hydrogen storage through hydrogen-water coordinated flow matching, a graded geological buffer-sealed integrated structure, heat closed-loop recovery, and adsorbent recycling. It solves the problems of high geological risk, large pressure fluctuations, residual hydrogen extraction, and low energy utilization in existing underground hydrogen storage systems. It enables complete hydrogen extraction with no residue, and the system's heat closed-loop is self-sufficient, adapting to the intermittent power generation characteristics of renewable energy, and is suitable for large-scale green hydrogen storage and grid peak shaving.