40 results about "Intermittent power" patented technology

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.

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.

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 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.

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.

Static control loop for an inverter interfacing an intermittent power source and an AC power grid. The invention relates to a primary control method for an inverter interfacing an intermittent power source and an AC power grid. Through each of the different aspects of the invention, a new static control loop, or droop control loop 5, is proposed that adapts to variations in the available active power of the inverter 1.This loop can be advantageously implemented on each inverter that, among a plurality of generators connected to the grid, interfaces with an intermittent energy source, while ensuring: correct allocation of active power among the generators, and correct signaling, via the frequency at the point of connection of each generator to the grid, of when each generator reaches its active power limits, thus enabling the activation of protective measures so that each generator in the plurality returns to its active power range. Figure for the abbreviation: Fig. 4.

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 invention relates to the technical field of safety monitoring, in particular to a hydropower station dam foundation monitoring method and system based on the Internet of Things, and the method comprises the steps of equipment deployment, data acquisition and preprocessing, data transmission, data analysis and monitoring and early warning. Compared with the prior art that a single power supply module is adopted to provide continuous power supply for all sensors, so that high power supply energy consumption and insufficient system stability are possibly caused, the scheme adopts a graded power supply module design, and the first power supply module provides an uninterrupted stable power supply for a key sensor; the reliability and continuity of real-time data acquisition are ensured; the second power supply module provides an intermittent power supply for the non-key sensor, so that the data acquisition requirement is met, and the energy consumption is effectively reduced; meanwhile, the fault-tolerant capability of the whole system is further enhanced by the standby power supply module, and the graded power supply scheme not only optimizes the energy utilization and improves the system efficiency, but also remarkably enhances the reliability and durability of the hydropower station dam foundation monitoring system.

To update an offset correction value for a current flowing between the fuel cell stack and a DC / DC converter during intermittent power generation of a fuel cell stack, and reduce an error occurring in the offset correction value.SOLUTION: A fuel cell system FCS starts the drive of a DC / DC converter CNV when a voltage Vf exceeds a threshold Vth1 during intermittent power generation of a fuel cell stack FC, ends the drive of the DC / DC converter CNV when the voltage Vf falls below a threshold Vth2, and supplies fuel gas to the fuel cell stack FC when the voltage Vf falls below a threshold Vth3. During intermittent power generation of the fuel cell stack FC, in a period from when the voltage Vf falls below the threshold Vth2 until when the voltage Vf exceeds the threshold Vth1, the fuel cell system updates an offset correction value for a current If flowing between the fuel cell stack FC and the DC / DC converter CNV.SELECTED DRAWING: Figure 2

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 embodiment of the present application discloses an intermittent power supply control circuit and an energy storage power supply thereof, and the circuit comprises: a power supply module; a pulse power supply module, which is turned on when a first charging voltage generated based on a power supply voltage received is less than a first preset voltage, and transmits the power supply voltage to an enable control module; and is turned off when the first charging voltage is greater than or equal to the first preset voltage; the enable control module generates a second charging voltage based on the power supply voltage, and outputs a control signal when the second charging voltage is greater than or equal to a second preset voltage; and stops outputting the control signal when the second charging voltage is less than the second preset voltage; and the control module drives the power supply module to output the power supply voltage when the control signal is not received, and stops driving when the control signal is received. In the above manner, the embodiment of the present application can realize intermittent power supply of the energy storage power supply in a hiccup state under the premise of ensuring normal parallel function, reduce power consumption in a standby state, and improve power utilization.

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.

Embodiments of systems and methods for power demand management are described herein. More specifically, embodiments comprise systems and methods for powering, controlling, and / or operating various types of controllable load for integration with power fluctuations from intermittent power generation plants, such as photovoltaic arrays and wind turbine farms.

The present invention provides a method for parallel maintenance of two rows of electrical panels in a nuclear power unit, comprising: determining whether the nuclear power unit meets the functional requirements for performing parallel maintenance of the two rows of electrical panels; if not, sorting out the functional requirements for performing parallel maintenance of the two rows of electrical panels; if satisfied, adding a repower distribution panel as the power source for the first row of electrical panels, the second row of electrical panels, and the third row of electrical panels; and performing parallel maintenance on any two of the first row of electrical panels, the second row of electrical panels, and the third row of electrical panels based on the first maintenance cycle or the second maintenance cycle. The present invention classifies the functional requirements of the nuclear power unit into main system functions that require continuous power supply and auxiliary system functions that require intermittent power supply, and correspondingly selects the cross-power supply or external power supply method for the electrical panels to meet the power supply requirements of the nuclear power unit during the parallel maintenance of the electrical panels, thereby solving the problem of traditional row-by-row serial maintenance occupying the critical path of overhaul, extending the overhaul period, and reducing the flexibility of overhaul.