28 results about "Energy device" patented technology

The invention relates to the field of power systems and automation thereof, in particular to a multi-energy system collaborative operation optimization method based on improved particle swarm optimization and a related device. Modeling according to the operation characteristics of the multiple energy systems to obtain a multi-energy system model; optimizing the multi-energy system model based on particle swarm optimization, and calculating and generating an energy scheduling result by taking system operation cost, energy utilization efficiency and pollutant emission as optimization targets; and distributing output priorities of different energies according to an energy scheduling result, and generating an energy storage system operation strategy based on the output priorities. According to the invention, the comprehensive power system model of photovoltaic, wind power, hydroelectric, thermal power and energy storage systems is constructed, and according to the operation characteristics of each energy device, the physical characteristics and dynamic interaction relationships of different energy sources can be accurately simulated. According to the model, equipment constraint conditions and real-time operation parameters are fully considered, high-precision basic data are provided for optimal scheduling, and the practicability and reliability of the model are remarkably enhanced.

The invention belongs to the technical field of energy system scheduling, and particularly discloses a multi-time-scale dynamic optimization scheduling method and system for an integrated energy system, and the method comprises the steps: collecting the operation data and topological parameters of each energy device in the integrated energy system, constructing an initial energy flow model, and mapping the initial energy flow model to a discrete time domain from a Laplacian domain, establishing a linear dynamic energy flow model; calculating the inertia time of the system according to the normalized step response of the heat supply network and the natural gas network, and constructing a multi-time scale scheduling framework with double-layer intra-day rolling optimization according to the inertia time; and setting different optimization objective functions in three scheduling levels, namely a day-ahead scheduling level, an intra-day upper layer scheduling level and an intra-day lower layer scheduling level, so as to realize dynamic optimization of the running state and load adjustment of the coupling equipment. The problems of time scale separation, discontinuous state, poor adaptability of heterogeneous network inertia difference and the like in an existing scheduling method are solved, and the scheduling stability and the operation economy of the comprehensive energy system under the high permeability of renewable energy sources are improved.

The invention discloses an industrial park comprehensive energy management method and system based on a hierarchical system, and belongs to the technical field of energy management and automatic control. The method comprises the following steps: integrating external data, and predicting load and renewable energy power generation power by using a machine learning algorithm; making a start-stop and output plan of each energy device in the park through an MILP model; and based on short-term prediction and an intra-day scheduling plan, establishing an MPC model, solving a real-time control instruction of each energy device, and controlling operation of various energy production, conversion and storage devices. According to the method, an algorithm combining reinforcement learning and model prediction control is creatively applied, the prediction model and the cost function of MPC are adaptively adjusted on line through reinforcement learning, the equipment power is dynamically adjusted in combination with short-term rolling prediction, uncertainty is effectively dealt with, more accurate second-level power balance is achieved, and the reliability of the system is improved. And the adaptability and the operation economy of the system to high-proportion renewable energy sources are effectively improved through hierarchical collaborative optimization.

The invention discloses a traffic energy double-end interconnected multiplexing type high-entropy energy device and a control method, and relates to the technical field of road energy collection. The system comprises a high-entropy energy collection module which is used for capturing physical form change energy generated when a vehicle passes through a road and converting the physical form change energy into electric energy; the central controller is electrically connected with the high-entropy energy collection module and used for energy monitoring and switch control; the road Internet of Things devices are arranged on the two sides of the road and connected with the central controller through underground cables; the energy storage modules are arranged on the two sides of the road and connected with the central controller through underground cables; and the power grid interface module is bidirectionally connected with the central controller and a power grid end through an underground cable. Various high-entropy physical energy generated by temperature difference, pressure, vibration and the like can be collected in the vehicle running process and converted into electric energy in real time, and cooperative scheduling and efficient utilization of multi-source energy are achieved through intelligent interconnection with road Internet of Things equipment, energy storage devices on the two sides of a road and a power grid.

In one aspect, the present disclosure provides a method for forming an energy device, the method comprising using at least one acoustic device to generate acoustic waves for facilitating a formation process of the energy device.

The invention discloses a wave energy equipment self-adaptive adjustment method and system based on data feedback, and belongs to the technical field of wave energy. According to the method, wave vibration behavior data, weighing block vibration behavior data and liquid volume and pressure information are collected in real time through an acceleration sensor, a flow meter and a pressure sensor; equidistant sampling of wave vibration data is realized by using an interpolation algorithm, and a wave dominant frequency is quantified and a sliding window is set in combination with self-correlation analysis; the mass variation of the weighing block is dynamically calculated based on a sliding mode surface control model, control parameters are updated in real time through a discrete time self-adaptive feedback model, the flow of a water suction pump is adjusted to change the mass of the weighing block, the vibration frequency of the weighing block is made to be matched with the wave dominant frequency, and closed-loop control is formed. According to the invention, the problems of low energy conversion efficiency and weak anti-interference capability caused by frequency mismatch of existing wave energy equipment are solved, and through dynamic quality adjustment and a self-adaptive feedback mechanism, the adaptability of the equipment to a complex marine environment and the energy capture efficiency are improved.

The invention relates to the technical field of landscape ecological energy devices, in particular to a landscape stepping stone self-energy-supply module structure based on wind and tide composite energy, which comprises an energy supply module mechanism consisting of a buoyancy base, two transmission main shafts, stepping stone panels mounted on the two transmission main shafts, a wind wheel and a tide turbine, a partition plate is arranged in the buoyancy base and divides the interior of the buoyancy base into an upper cavity and a lower cavity, water quality improving modules are arranged on the upper cavity and the buoyancy base, and the wind wheel and the tidal turbine drive the independent generators respectively and are electrically connected in parallel, so that the wind energy power generation module and the tidal energy power generation module are independent from each other. When one energy supply has a problem, such as insufficient wind power or unstable rotating speed of the tidal turbine caused by tidal change, the other module can still work normally, so that the stability and reliability of the whole power generation system are ensured, the continuity of energy supply is improved, and the power generation efficiency is improved. Meanwhile, redundant mechanical kinetic energy is utilized to actively improve and detect the ecological environment of the water body.

The present application is directed to the optimization control problem of the park comprehensive energy system under the coupling of multiple energy forms, and proposes a park comprehensive energy system hierarchical control method and system. The park comprehensive energy system is divided into a system layer, a device aggregation layer and an element control layer. By aggregating the energy devices, load terminals and control elements in the park according to the energy supply form, energy use characteristics, spatial position and the like, the energy subsystems are used as the energy subsystems to participate in the upper layer "system-device" operation strategy optimization. The energy subsystems of the device aggregation decompose the upper layer control strategy into internal executable commands according to the internal energy structure, so as to realize the control execution of the "device-element" layer.

The invention discloses a micro-grid dispatching method, device and equipment and a storage medium, and relates to the technical field of micro-grid management and control, and the method comprises the steps: obtaining an energy operation model corresponding to target energy equipment in a target micro-grid; performing mixed integer programming operation based on the energy operation model to obtain a target operation curve; and performing power scheduling on the target energy equipment according to the target operation curve. According to the method, the mixed integer programming operation is performed according to the energy operation model pre-established for the target energy equipment in the micro-grid, so that the target operation curve corresponding to the optimal overall energy operation condition of the micro-grid is predicted, and power scheduling of the target energy equipment is performed based on the target operation curve. According to the invention, each energy device in the micro-grid is ensured to adaptively operate in an optimal state according to an actual condition, so that the effect of each energy device in a power system is exerted to the greatest extent, the overall economic benefit of the micro-grid is improved, and the energy consumption cost of the micro-grid is effectively reduced.

A method and apparatus is described for providing energy system status information. A status indication device may be mounted near an entry door for determining when an individual is about to leave an area. When the status indication device determines that an individual is about to leave an area, it displays an energy status to the individual, so that the individual can decide whether to place energy-consuming devices in a conservation mode of operation.

To provide a nonaqueous electrolyte solution which can achieve a high capacity and enhance the discharge characteristic (rate characteristic) under a high-current density condition in an energy device, and an energy device arranged by use of the nonaqueous electrolyte solution.SOLUTION: A nonaqueous electrolyte solution comprises: at least one compound (A) selected from a group consisting of a fluoro sulfonate anion-containing compound and an alkyl sulfate anion-containing compound; and at least one compound (B) selected from a group consisting of a linear ether compound (B-1) and a nitrile compound (B-2). In the nonaqueous electrolyte solution, a total content of the compound (B) is 1.0×10-5 mass% or more and below 1.0×10-1 mass%. The mass proportion [(A) / (B)] of a content of the compound (A) to the content of the compound (B) is no less than 98.000 / 2.000 and no more than 99.995 / 0.005.SELECTED DRAWING: None

The present application belongs to the technical field of offshore wave energy power generation, and specifically relates to a multi-dimensional pendulum wave energy power generation device and its energy acquisition method. The device includes an outer pendulum body, an energy-capturing swing mechanism, a base and an inner pendulum body, wherein the energy-capturing swing mechanism is composed of a plurality of hydraulic rods, a swing arm bracket and an energy conversion system. The base is connected to the wind turbine floating platform, and the energy conversion system is connected to the hydraulic rods through pipelines to convert hydraulic energy into electrical energy. The outer pendulum body is a hemispherical shell that can capture the multi-dimensional force of waves; the inner pendulum body includes a linear motor, a rotating shaft and a reversing rod, and the reciprocating motion of the linear motor drives the energy conversion system to generate electricity. The present application solves the problems of low energy conversion efficiency and instability of existing wave energy devices. Through the coordinated movement of the outer pendulum body and the inner pendulum body, as well as the capture of multi-dimensional wave forces and the flexible hydraulic system structure, the wave energy conversion efficiency is improved, the anchoring and structural layout are optimized, and the utilization efficiency of the sea area is improved.

The invention discloses a variable-rigidity impact type deep scarification mechanism based on electromagnetic control and a control method, and relates to the technical field of agricultural machinery, the variable-rigidity impact type deep scarification mechanism comprises a rack, a control center, an energy device and a plurality of deep scarification mechanism assemblies, the plurality of deep scarification mechanism assemblies are connected with the rack, the rack is provided with a mounting platform, and the mounting platform is connected with the control center. The installation platform is connected with the energy device, the energy device comprises an air pressure power source and an electric power supply unit, the energy device is electrically connected with the control center, and the control center is connected with the upper end of the front portion of the rack. According to the variable-rigidity impact type deep scarification mechanism based on electromagnetic control and the control method, the rigidity of the mechanism is changed by adjusting the current of the repulsive force magnetic ring so as to maintain self-excited vibration, and high-frequency micro-amplitude impact or large-stroke chiseling is achieved through the push-pull type electromagnet or the impact cylinder so as to adapt to soil environments with different hardness.

Provided herein are devices, systems, and methods for improving performance and lifetime of energy devices. In some embodiments, the present disclosure provides an acoustic module for improving energy device performance, the acoustic module comprising: at least one acoustic device configured to be operably coupled to an energy device, wherein the at least one acoustic device comprises (1) an acoustic wave generator configured to generate acoustic waves and (2) a housing enclosing the acoustic wave generator, wherein the housing is configured to be attached to an external surface of the energy device in a configuration that permits the acoustic waves to be streamed into the energy device; and at least one controller configured to control the at least one acoustic device to stream the acoustic waves into the energy device.

The invention discloses a hybrid power generation system, which relates to the technical field of power generation devices, and comprises a semi-submersible platform, a wind generating set and a pneumatic wave energy device, the wind generating set is arranged at the top of the semi-submersible platform and is used for converting wind energy into electric energy; the pneumatic wave energy device is carried on the semi-submersible platform; the pneumatic wave energy device is used for converting wave energy into electric energy and can absorb the wave energy to improve the stability of the semi-submersible platform. According to the hybrid power generation system provided by the invention, the energy utilization efficiency can be improved, and the platform stability can be enhanced.

A method and apparatus is described for providing energy system status information. A status indication device may be mounted near an entry door for determining when an individual is about to leave an area. When the status indication device determines that an individual is about to leave an area, it displays an energy status to the individual, so that the individual can decide whether to place energy-consuming devices in a conservation mode of operation.

In one aspect, the present disclosure provides a method for forming an energy device, the method comprising using at least one acoustic device to generate acoustic waves for facilitating a formation process of the energy device.

The self-adaptive wave energy conversion device solves the problem that a traditional wave energy device is low in conversion efficiency. The device is composed of an energy conversion system, an energy harvesting system and a carrying platform. Wherein a supporting platform included in the carrying platform is driven by the fin empennage to rotate automatically along with the wave direction, so that the wave plate is orthogonal to the transverse wave; a spherical floater under the energy capturing system captures longitudinal wave energy, and a wave plate captures transverse wave energy; the innovative hydraulic module under the energy conversion system adopts marble point contact and a two-stage sliding sealing ring to reduce friction loss, the friction resistance can be reduced by 39.3%, a pre-pressing spring is introduced to realize compression energy storage in a trough stage, and elastic force is released in a crest stage to increase the stroke. The stroke and the self-adaptive mechanism are increased through the spring, the energy conversion efficiency is improved by 20% or above, and the device is suitable for the low-density wave environment.

The multi-energy port splitter for a modular energy system includes an input port configured to couple to an energy output port of an energy module, a first energy output port configured to deliver energy provided by the energy output port of the energy module, and at least a second energy output port configured to deliver energy provided by the energy output port of the energy module. An electronically controlled power switch configured to switch energy received at the input port to one of the first energy output port or the at least the second energy output port. The controller is configured to couple to the energy module through a first communication bus. The controller is electrically coupled to the electronically controlled power switch through a power switch control line. A backplane including a backplane communication interface is configured to receive the multi-energy port splitter and the energy module.

The application discloses a wave energy device adaptive adjustment method and system based on data feedback, and belongs to the technical field of wave energy. The method collects wave vibration behavior data, weighing block vibration behavior data and liquid volume and pressure information in real time through an acceleration sensor, a flowmeter and a pressure sensor; equal-interval sampling of the wave vibration data is realized by using an interpolation algorithm, the wave main frequency is quantified in combination with autocorrelation analysis, and a sliding window is set; the mass change of the weighing block is dynamically calculated based on a sliding mode surface control model, control parameters are updated in real time through a discrete time adaptive feedback model, the flow of the water pump is adjusted to change the mass of the weighing block, so that the vibration frequency of the weighing block is matched with the wave main frequency, and a closed-loop control is formed. The application solves the problems of low energy conversion efficiency and weak anti-interference capability of the existing wave energy device caused by frequency mismatch, and is favorable for improving the adaptability of the device to complex marine environment and the energy capture efficiency through dynamic mass adjustment and an adaptive feedback mechanism.

A surgical instrument is disclosed that includes a housing, a shaft assembly, a processor, and a memory. The shaft assembly is interchangeably connected to the housing. The shaft assembly includes an end effector. The memory is configured to store program instructions that, when executed from the memory, cause the processor to: send an electrical interrogation signal to an attached shaft assembly; receive a response signal from the attached shaft assembly; perform a default function when the response signal is not received by the attached shaft assembly; determine an identifying characteristic of the attached shaft assembly as a result of performing the default function; and modify a control program based on the identifying characteristic of the attached shaft assembly.

The invention belongs to the technical field of ocean renewable energy utilization, and discloses a gas-liquid hole cavity resonance wave energy harvesting device and a working method thereof. The device provided by the invention comprises a shell, a variable-frequency resonant cavity, a telescopic mechanism, a control unit and an energy storage unit, the variable-frequency resonant cavity comprises a liquid cavity and an air cavity, the liquid cavity is located on the water inlet side of the device, and the air cavity is located on the air side; the liquid cavity is used as a main adjusting cavity in an independent operation mode of the device, and the air cavity is used as a main adjusting cavity in a combined operation mode that the device is matched with the secondary energy conversion device; the telescopic mechanism is used for adjusting the size of the liquid cavity and / or the air cavity; the control unit is connected with the variable-frequency resonant cavity and the telescopic mechanism and used for adjusting the frequency of the variable-frequency resonant cavity to be the same as the peak frequency of waves; the energy storage unit is used for storing the converted electric energy. Compared with traditional devices such as an oscillating water column, the frequency adjusting range is wider, and miniaturization is achieved.

The invention provides a power distribution network multi-energy coordinated planning method and system based on big data, and the method comprises the steps: carrying out the prediction analysis based on the available resource amount of energy resources and the load demand amount of energy loads in a to-be-coordinated region covered by a power distribution network, and obtaining the future available amount and the future demand amount; performing energy supply and demand distribution situation analysis based on the future available amount and the future demand in combination with the user behavior mode to obtain an energy supply and demand situation analysis result; based on an energy supply and demand situation analysis result, performing energy planning by taking the minimum energy transmission loss and meeting the basic load demand as targets, and determining a bidirectional energy flow path; based on the energy supply and demand situation analysis result, the bidirectional energy flow path and the energy storage parameters of the energy storage devices in the to-be-coordinated area, scheduling decision making is carried out, and an energy storage device scheduling result is obtained; and controlling coordinated operation of the multi-energy equipment based on an energy supply and demand situation analysis result and an energy storage equipment scheduling result. According to the invention, the optimal coordinated operation of the multi-energy system is realized.

The utility model discloses a fan coupling multi-resonance OWC wave energy power generation device, belongs to the field of energy utilization equipment, and solves the problem that in the prior art, an existing oscillation water column type wave energy device is low in conversion efficiency under different wave conditions. According to the technical scheme, all oscillating water columns are arranged into a plurality of rows of oscillating water column groups; the pipe length of the oscillating water column of the front-row oscillating water column group is smaller than that of the oscillating water column of the rear-row oscillating water column group; oscillating water columns of the oscillating water column group in the front row are connected with a high-tide-level air chamber cavity and are connected with a power generation device of the power container through the high-tide-level air chamber cavity; and the oscillating water columns of the oscillating water column group in the rear row are connected with a low-tide-level air chamber cavity and are connected with a power generation device of the power container through the low-tide-level air chamber cavity. According to the technical scheme, different oscillating water columns are started according to different wave heights and wave conditions, and local tide level changes can be effectively adapted.

The invention discloses an intelligent deep scarification mechanism based on a vibration energy recovery mechanism, and belongs to the technical field of agricultural machinery. The subsoiler comprises a rack, subsoiling single bodies, an air storage tank, a control center and an energy device. Each subsoiling single body comprises an air pump fixing base, a duplex piston air pump assembly, a driving arm assembly and a subsoiling shovel assembly. The subsoiler generates self-excited vibration under the action of soil alternating resistance to drive the driving arm to swing and drive the duplex piston air pump to perform reciprocating compression, and mechanical energy is converted into compressed air to be stored in the air storage tank; the control center intelligently controls the constant pressure valve to be opened according to signals of the vibration sensor, high-pressure gas is directionally released from the shovel tip through the gas explosion nozzle, and gas explosion shock waves are formed to assist in soil breaking. A closed-loop energy recovery system of mechanical excitation, pneumatic conversion, energy storage and intelligent release is constructed, dissipated vibration energy is converted into soil crushing power, traction resistance and energy consumption are remarkably reduced, and cooperation and unification of resistance reduction and efficient deep scarification are achieved.

The application discloses a configuration method and device of an energy equipment, and a nonvolatile storage medium. The method comprises the following steps: determining a first load of each energized node in a power grid; determining a configuration state of an energy equipment corresponding to an island node in all energized nodes; determining a second load of each island node under a non-normal operation condition of a power grid line according to the configuration state; determining an operation state of each information node in the power grid according to the first load and the second load, and determining a target number of information nodes normally operated under the non-normal operation condition of the power grid line according to the operation state of each information node; determining a resilience evaluation index of the power grid according to the first load, the second load and the target number, and controlling the configuration state of the energy equipment corresponding to each energized node according to the resilience evaluation index. The application solves the technical problem that the resilience of the power grid is poor due to the fact that the related art does not consider the influence of the information node on the configuration of the power consumption unit.

The present invention discloses a multi-modal adaptive deep loosening mechanism based on soil resistance perception, including an integral frame, a deep loosening unit, a control system and an energy device. The deep loosening unit detects the soil resistance in real time through a sensor assembly and transmits it to the control system. The control system automatically switches between three modes: traditional rigid connection deep loosening, self-excited vibration deep loosening and forced vibration deep loosening according to the size and change characteristics of the soil resistance. When the soil resistance is less than the first preset threshold, the rigid connection mode is adopted; when the resistance is between the first and second preset thresholds, the self-excited vibration mode is enabled; when the resistance is greater than the second preset threshold, the vibration motor is started to achieve forced vibration. The control system not only monitors the absolute value of the resistance, but also analyzes its time characteristics to achieve intelligent threshold adjustment. The present invention solves the problems of high energy consumption and poor adaptability of traditional deep loosening mechanisms, and has the advantages of intelligent operation mode switching, optimized energy utilization, and adjustable vibration parameters.

The invention provides a multi-energy scheduling method for a multi-park aggregation power grid under an uncertain risk, and belongs to the technical field of multi-energy complementary distributed park management and transaction. Constructing an operation model of each device in the multi-energy complementary park subsystem and a power generation cost model of each device; based on the operation model of each device and the power generation cost model of each device in the multi-energy complementary park subsystem, under the reasonable constraint of the electricity price, a revenue optimization model of the multi-park aggregation system is constructed by taking the revenue maximization of the multi-park aggregation system as a target; under the operation constraint of each energy device, constructing an optimization model of the multi-energy complementary park subsystem by taking the cost minimization of each multi-energy complementary park subsystem as a target; and integrating the income optimization model of the multi-park aggregation system and the optimization model of the multi-energy complementary park subsystem as a joint optimization model, and solving to obtain the electricity price of the multi-park aggregation system and the output plan of the equipment in each multi-energy complementary park subsystem.