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30results about How to "Ensure supply and demand balance" patented technology
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Method and device for treating organic solid waste
ActiveCN104148358AComplete oxidationAvoid lostSolid waste disposalClimate change adaptationCompound (substance)Biological activation
The invention discloses a method and device for treating organic solid waste. The method comprises the steps: (a) carrying out physico-chemical pretreatment, namely adding water and additives into the waste, and heating and stirring; (b) carrying out hydrolysis, namely hydrolyzing the waste which is subjected to physico-chemical pretreatment, so as to obtain a hydrolyzate; (c) carrying out oxidization, namely oxidizing the hydrolyzate, so as to obtain an oxidization product; (d) carrying out solid-liquid separation, namely carrying out solid-liquid separation on the oxidization product, so as to obtain a solid oxidization product and a liquid oxidization product; and (e) carrying out activation, namely activating the solid oxidization product in the case of heating, pressurizing, steaming and additive adding, thereby obtaining an activated product.
Owner:ZHEJIANG HAILIANG SOLID WASTE TREATMENT TECH
Business district division method, device and electronic equipment
InactiveCN109102334AImprove accuracyEnsure supply and demand balanceMarket data gatheringEngineeringElectric equipment
The embodiment of the invention provides a business district division method, a device and an electronic device. The method comprises the following steps: a business district division device first obtains the order quantity of each sub-region to be divided in advance in a preset period of time; the order quantity of each sub-region to be divided in advance in the preset period of time. For sub-areas where the order quantity is smaller than the preset order quantity, the business circle dividing means adjusts the order quantity of these sub-areas to the minimum order quantity. After the order quantity is adjusted, the business circle dividing device performs clustering processing according to the adjusted order quantity of each sub-area and the distance between each sub-area to be divided into each sub-area, so as to divide the area to be divided into M business circles. After adjusting the order quantity of the sub-regions whose order quantity is smaller than the preset order quantity,each sub-region can participate in the clustering process, and each sub-region will be divided into a business circle, and no isolated sub-regions will appear, so as to improve the accuracy of the business circle division and ensure the balance between supply and demand of each business circle.
Owner:长沙市到家悠享家政服务有限公司
Method and device for treating organic solid waste
ActiveCN104148357AAvoid unfit problemsImprove efficiencySolid waste disposalAcid hydrolysisCompound (substance)
The invention discloses a method and device for treating organic solid waste. The method comprises the steps: (a) carrying out physico-chemical pretreatment, namely adding water and additives into the waste, and heating and stirring; (b) carrying out hydrolysis, namely carrying out thermal hydrolysis and acid hydrolysis on the waste which is subjected to physico-chemical pretreatment, so as to obtain a hydrolyzate; (c) carrying out oxidization, namely oxidizing the hydrolyzate, so as to obtain an oxidization product; and (d) carrying out solid-liquid separation namely carrying out solid-liquid separation on the oxidization product, so as to obtain a solid oxidization product and a liquid oxidization product.
Owner:ZHEJIANG HAILIANG SOLID WASTE TREATMENT TECH
Coordination control method for circulating fluidized bed generator set
ActiveCN101431310AShorten adjustment timeLimit motion rateElectric generator controlClose couplingFluidized bed
The invention relates to a method for coordinating and controlling a generator set of a circulating fluidized bed. On the basis of the direct energy balance method, a two-stage PID operation link is canceled, a boiler and a steam turbine are regarded as a whole, a loop of a pressure pulling back and power deviation operation module is added, and the speed of actions of a control valve of the steam turbine is limited; a power feedforward module and a pressure feedforward module are added, and the variable quantity of a load point is moved forward, so as to compensate for the lagging deficiency of the boiler of the circulating fluidized bed; a Y1 polygonal function, a Y2 polygonal function, a Y3 polygonal function and a Y4 polygonal function are added, so that complex dynamic characteristics can be embodied in the polygonal functions; and a close coupling system is decomposed and then integrated, so that the response ability of the generator set is quicker and steadier. After the method is applied to the generator set of the circulating fluidized bed, the variable quantity of the deviation can be brought forward, and more importantly, the adjusting time of the boiler as a big lagging link is reduced.
Owner:STATE GRID TIANJIN ELECTRIC POWER +1
Dynamic regulation method for expressway toll stations and surrounding intersection groups
ActiveCN110211396ABreak down barriers to independent businessCapacity balanceControlling traffic signalsArrangements for variable traffic instructionsTraffic capacityRoad networks
The invention relates to a dynamic regulation method for expressway toll stations and surrounding intersection groups. The method comprises the steps of dividing an overall road network of the expressway entrance and exit ramps, the toll stations and the surrounding intersection groups into: key subareas of the entrance and exit ramps and the toll stations and connected intersections and other intersection group subareas around the toll stations; establishing a self-adaptive cooperative control mechanism between the toll stations and the connected intersections at the toll station and connected intersection subareas and establishing a fuzzy logic control mechanism in the intersection groups in the other surrounding intersection group subareas; and calling a toll station traffic capacity regulating model to realize the dynamic adjustment of the actual traffic capacity of entrance and exit toll channels. The method disclosed by the invention has the beneficial effects that a cooperativecontrol model for dynamically changing the traffic rate of the expressway toll stations and the intersection groups according to different traffic states and an self-adaptive regulation model for dynamically changing the traffic capacity of the entrance and exit toll channels are firstly proposed; and the method is suitable for the cooperative control of regional road networks of the expressway toll stations and the surrounding intersection groups.
Owner:SOUTH CHINA UNIV OF TECH +2
Method for achieving optimizing control of load of thermal power generating unit in PROPR mode
ActiveCN103713613AGuaranteed control qualityEnsure supply and demand balanceTotal factory controlProgramme total factory controlLoad instructionTime changes
The invention discloses a method for achieving optimizing control of the load of a thermal power generating unit in a PROPR mode. The method specifically comprises: step one, an AGC load instruction value issued by a dispatching center is analyzed and optimized through a function; step two, the corrected AGC load instruction value and a unit actual power value are subjected to different and judgment to generate the steam turbine master control feed-forward amount; step three, the corrected AGC load instruction value and the unit actual power value are subjected to the different and judgment to perform load change rate switching. The method performs feed-forward optimizing adjustment on a steam turbine master control of the unit by analyzing the load instruction value and the actual power value of the unit and judging the load real-time change situation of the unit, performs broken line optimizing adjustment on the load change rate of the unit, accordingly improves the adjusting accuracy and a response time index effectively while adjusting the rate index of the unit in the PROPR mode, and ensures supply and demand balance of power grid load and the stability of power grid frequency.
Owner:STATE GRID CORP OF CHINA +1
Air conditioning system adjusting method and system based on weather forecast
ActiveCN112013521AAvoid control time lagTime synchronizationMechanical apparatusSpace heating and ventilation safety systemsAtmospheric sciencesOutdoor temperature
The invention provides an air conditioning system adjusting method and system based on weather forecast, and belongs to the technical field of air conditioning energy conservation. The air conditioning system adjusting method comprises the steps that current indoor and outdoor temperature and humidity information and weather forecast information within specified time are collected; the availability of the weather forecast information is judged; and a cooling load required by indoor temperature adjustment is determined by utilizing the weather forecast information, a control strategy of the airconditioning system is adjusted to enable the indoor temperature to reach a specified preset parameter within the specified time, a time table is generated, an advanced sampling time point is arranged, outdoor actual temperature information is detected at the advanced sampling time point, the actual condition of the temperature information is compared with the weather information acquired in advance, and whether the cooling load and the preset parameter are re-determined or not is determined according to a comparison result. The air conditioning system adjusting system comprises modules corresponding to the steps of the method.
Owner:中维通(北京)科技有限公司
Air conditioning system adjusting method based on weather forecast
InactiveCN111043731AAvoid control time lagTime synchronizationMechanical apparatusLighting and heating apparatusLoad forecastingAtmospheric sciences
The invention provides an air conditioning system adjusting method based on weather forecast. According to the air conditioning system adjusting method based on weather forecast, a weather forecast means is utilized; the load change of the air conditioning system at the future moment is predicted; an optimal operation parameter under the load condition is obtained; all parameter variables of the air conditioning system are controlled in advance; the control time difference caused by large time lag and large inertia of the air conditioning system is avoided; balance and time synchronization ofcold supply and load cold consumption of the air conditioning system are ensured; in addition, the air conditioning system adjusting method can further enable load prediction of the air conditioning system to be more accurate, feed-forward control is conducted on the air conditioning system, and therefore hysteresis and oscillation of the system are avoided, supply and demand balance of the systemis guaranteed, and the air conditioning system is always in an efficient operation state and an energy-saving optimization state.
Owner:中维通(北京)科技有限公司
Method and device for controlling supply and demand balance of power grid according to different layers and regions
The invention provides a method and device for controlling the supply and demand balance of a power grid according to different layers and regions. The method comprises the steps of determining the power shortage and the load operating state; calculating the load reduction potential of resources at the demand side according to a load electric power model and the load operating state; distributingreduction tasks layer by layer according to the estimated load reduction potential; adjusting corresponding load operating parameters according to the distributed reduction task amount; and checking the actual reduction effect of the power grid. The device comprises a data acquisition unit, a scheduling unit, a strategy making unit, a checking unit and an integrator. The technical scheme providedby the invention implements a comprehensive control strategy from microscopic to macroscopic according to load control demands among different layers and different regions, and ensures the effectiveness and rationality of the resources at the demand side in participating in supply and demand balance adjustment of the power grid.
Owner:CHINA ELECTRIC POWER RES INST +2
Comprehensive energy system DG consumption strategy research method considering virtual energy storage
PendingCN111640044AEnsure supply and demand balanceReduce capacityForecastingAc network load balancingNew energyIntegrated energy system
The invention discloses a comprehensive energy system DG consumption strategy research method considering virtual energy storage. The method specifically comprises the following steps: (1) inputting basic data of energy production equipment, storage equipment, load and the like; (2) constructing a combined virtual energy storage system comprising electric energy storage and heat energy storage; (3) constructing a comprehensive energy system daily operation total cost minimization objective function; (4) constructing an optimal scheduling model of the comprehensive energy system; and (5) constructing an evaluation index suitable for researching a new energy consumption strategy of the comprehensive energy system so as to reasonably evaluate and optimize the safety economy and environmentalprotection property of system operation after scheduling. According to the method, the random charging behavior of the electric vehicle and the schedulability of the user air conditioner load are considered, a comprehensive energy system day-ahead optimal scheduling strategy considering the joint virtual energy storage system is formulated, and safe operation of the system and sufficient consumption of electric energy are realized.
Owner:HUZHOU ELECTRIC POWER SUPPLY CO OF STATE GRID ZHEJIANG ELECTRIC POWER CO LTD +2
Distributed dynamic economic dispatching method for AC/DC hybrid microgrid
ActiveCN111049199AEnsure supply and demand balanceImprove robustnessSingle network parallel feeding arrangementsAc-dc network circuit arrangementsControl engineeringPower grid
The invention discloses a distributed dynamic economic dispatching method for an AC / DC hybrid microgrid. The method comprises the following steps: step a, establishing a dynamic economic dispatching model of the AC / DC hybrid microgrid; b, selecting an operation cost micro-increase rate as a consistency state variable according to the model obtained in the step a, solving the economic dispatching problem of the AC / DC hybrid microgrid in a distributed manner according to an equal micro-increase rate criterion, and performing algorithm convergence in finite steps; c, carrying out classification processing on the units which do not meet the operation constraints in the steady-state power, calculated in the step b, of each unit; and d, realizing respective optimal dispatching of the AC sub-microgrid and the DC sub-microgrid based on a secondary adjustment strategy of the load virtual value. According to the distributed dynamic economic dispatching method for the AC / DC hybrid microgrid, themulti-period dynamic economic dispatching problem of the AC / DC hybrid microgrid can be solved.
Owner:HOHAI UNIV
A method and device for treating organic solid waste
ActiveCN104148358BComplete oxidationAvoid lostSolid waste disposalClimate change adaptationBiological activationHydrolysis
Owner:ZHEJIANG HAILIANG SOLID WASTE TREATMENT TECH
Energy station scene construction method and system
PendingCN110046791AEnsure supply and demand balanceRealize Addressing and Capacity ConfigurationResourcesElectricityEngineering
The invention discloses an energy station scene construction method and system, and the method comprises the steps: constructing a preset number of load centers in a pre-established energy point, andimporting a whole-year cooling and heating power prediction load demand; determining the number of resource points in the energy points according to the annual cooling and heating power prediction load demand quantity, and determining the optimal positions of the resource points in the energy points; and optimizing the power supply relationship between the load center and the resource point in theenergy point to achieve supply-demand balance. According to the method, addressing and sizing optimization configuration is carried out on the regional energy points, the number and positions of theresource points in the regional energy points are determined on the basis of big data analysis, addressing and sizing configuration is achieved, energy distribution is comprehensively carried out on the load centers in the energy points, and supply and demand balance of the load centers and the energy points is guaranteed.
Owner:CHINA ELECTRIC POWER RES INST +1
Power load prediction system based on AI artificial intelligence
PendingCN113283679AGuaranteed timelinessGuaranteed reliabilityForecastingResourcesStructure analysisSmart data
The invention discloses a power load prediction system based on AI artificial intelligence, and the system comprises a power load data collection module, the connection end of the power load data collection module is connected with a data summarization module, and the connection end of the data summarization module is connected with an intelligent data prediction module. The connection end of the intelligent data prediction module is connected with a power data structure analysis module, the connection end of the power data structure analysis module is connected with a power load early warning module, and the connection end of the power load early warning module is connected with a prediction model detection module. According to the invention, the damage to the power system and the loss of power cost are avoided, the timeliness of data, the reliability of early warning, the accuracy of a prediction result, the utilization rate of power generation equipment and the effectiveness of economic dispatching are improved, and the operation reliability of the power system and the supply-demand balance of the power market are ensured; a reliable decision basis is provided for planning and operation of a power system, and the economic persistent development of the power market is promoted.
Owner:NANJING UNIV OF SCI & TECH
Grape branch picking crushing machine
PendingCN108421613ARealize direct pick-up and shreddingSave manpower and material resourcesLoadersCane mechanical workingVitis viniferaAgricultural engineering
The invention belongs to the technical field of agricultural machinery, and particularly relates to agricultural mechanical equipment, in particular to a grape branch picking crushing machine. The grape branch picking crushing machine comprises a picking mechanism, a sectioning mechanism and a rubbing cutting mechanism. The picking mechanism picks up grape branches on the ground, and then throws the grape branches to the sectioning mechanism; the grape branches are cut into sections, and then the grape branches fall into the rubbing cutting mechanism; the rubbing cutting mechanism rubs and cuts the grape branches into pieces, and throws the pieces of the grape branches on the ground. The grape branch picking crushing machine can directly pick up and crush the grape branches; necessary processes of picking centralizing, transporting and the like in a fixed crushing mode or an incineration treatment mode are avoided; manpower and material resources are saved; the labour production efficiency is greatly improved; the grape branches are crushed and returned to a field, so that the branches are reutilized, and waste is changed into treasure. The content of organic matters of soil is increased; an effective method for maintaining the balance of supply and demand of the soil is implemented; high quality, high yield and sustainable development of a grape plantation is realized.
Owner:CHINA AGRI UNIV
Matching method and device for cancel-after-verification area, storage medium and electronic device
PendingCN112016949AImprove write-off rateEnsure supply and demand balanceDiscounts/incentivesBuying/selling/leasing transactionsDatabaseReal-time computing
The invention provides a matching method and device for cancel-after-verification area, a storage medium and an electronic device, and the method comprises the steps: predicting a target user who purchases a target commodity on an online platform in a specified time period, wherein the target commodity is transacted on line and subjected to the cancel-after-verification of an offline store; acquiring position information of the target user and a historical cancel-after-verification record of the target user; and matching a cancel-after-verification area of the target commodity according to theposition information and the historical cancel-after-verification record. According to the invention, the technical problem that the online platform cannot be matched with the commodity cancel-after-verification area in the prior art is solved.
Owner:KOUBEI SHANGHAI INFORMATION TECH CO LTD
A dynamic control method for expressway toll stations and surrounding intersection groups
ActiveCN110211396BBreak down barriers to independent businessCapacity balanceControlling traffic signalsArrangements for variable traffic instructionsTraffic capacityRoad networks
The invention relates to a dynamic control method for expressway toll stations and surrounding intersection groups. The overall road network of expressway entrance and exit ramps, toll stations and surrounding intersection groups is divided into: key sub-regions of entrance and exit ramps, toll stations and connecting intersections, Other intersection group sub-regions around toll stations; establish a cooperative control mechanism between adaptive toll stations and connection intersections in toll stations and connecting intersection sub-regions, and establish fuzzy logic within the intersection group in other surrounding intersection group sub-regions Control mechanism; call the toll station traffic capacity regulation model to realize the dynamic adjustment of the actual traffic capacity of the entrance and exit toll channels. The method of the present invention proposes for the first time a cooperative control model for dynamically changing the traffic speed of expressway toll stations and intersection groups according to different traffic conditions, and an adaptive control model for dynamically changing the traffic capacity of entrance and exit toll passages, which is suitable for expressway toll stations and surrounding areas Regional Road Network Cooperative Control of Intersection Groups.
Owner:SOUTH CHINA UNIV OF TECH +2
A control method and control device for supply and demand balance in power grid layered and partitioned
ActiveCN108022029BEnsure supply and demand balanceShedding load potentialResourcesIntegratorControl engineering
Owner:CHINA ELECTRIC POWER RES INST +2
Rural e-commerce personalized precise poverty alleviation e-commerce platform based on big data
PendingCN114663182ATargetedEnsure supply and demand balanceBuying/selling/leasing transactionsLogisticsPersonalizationEngineering
The invention is suitable for the technical field of e-commerce platforms, and provides a rural e-commerce personalized precise poverty alleviation e-commerce platform based on big data, which comprises a cloud server, and further comprises a client, a selling end and a database which are connected with the cloud server, the cloud server is used for realizing data transmission of the client, the selling end and the database; the client side is used for a client to perform commodity retrieval, commodity information pushing, ordering and payment; the selling end is used for merchants to perform commodity display, order generation, fund management and commodity demand recommendation; and the database is used for integrating the commodity demand information of the customer and the product supply information of the merchant. According to the big data-based rural e-commerce personalized precise poverty alleviation e-commerce platform, the recommendation selling index is exported through the recommendation selling unit according to the commodity demand information of the database for the reference of the commercial tenant, so that the commercial tenant can select and sell the commodities with the large demand quantity, and meanwhile, the commercial tenant can control the supply quantity conveniently, and the supply and demand balance is ensured.
Owner:重庆青年职业技术学院
A method and device for treating organic solid waste
ActiveCN104148357BAvoid unfit problemsImprove efficiencySolid waste disposalAcid hydrolysisCompound (substance)
The invention discloses a method and device for treating organic solid waste. The method comprises the steps: (a) carrying out physico-chemical pretreatment, namely adding water and additives into the waste, and heating and stirring; (b) carrying out hydrolysis, namely carrying out thermal hydrolysis and acid hydrolysis on the waste which is subjected to physico-chemical pretreatment, so as to obtain a hydrolyzate; (c) carrying out oxidization, namely oxidizing the hydrolyzate, so as to obtain an oxidization product; and (d) carrying out solid-liquid separation namely carrying out solid-liquid separation on the oxidization product, so as to obtain a solid oxidization product and a liquid oxidization product.
Owner:ZHEJIANG HAILIANG SOLID WASTE TREATMENT TECH
An air conditioning system adjustment method and system based on weather forecast
ActiveCN112013521BAvoid control time lagTime synchronizationMechanical apparatusSpace heating and ventilation safety systemsAtmospheric sciencesOutdoor temperature
Owner:中维通(北京)科技有限公司
A cluster division method considering flexibility supply-demand balance and response speed
ActiveCN113393085BGuaranteed structural performanceIncrease autonomyResourcesInformation technology support systemControl engineeringGenetics algorithms
Owner:STATE GRID HUBEI ELECTRIC POWER RES INST +1
Comprehensive energy microgrid group high-credibility distributed transaction method based on cross-chain interoperation
PendingCN113327112AEnsure energy supply and demand balanceIncrease credibilityFinanceProtocol authorisationChain networkInteroperation
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)
Method and device for responding electric power requirement
InactiveCN103490422BReduce randomnessConducive to balanced power supplyPower network operation systems integrationAc network voltage adjustmentElectric power systemPower usage
The invention discloses a method for responding the electric power requirement. The method comprises the steps that a reference time point for analysis of a response of the electric power requirement is determined; a time frame containing the reference time point serves as a terminal point and power use data of a power use terminal in a preset period before the time frame containing the reference time point are collected, wherein the preset period comprises a plurality of equal basic time frames and the length of each basic time frame is equal to that of the time frame containing the reference time point; power use data at the moment, the same as the reference time point, in each basic time frame are counted respectively, and the corresponding power use data at the same moment of each basic time frame are calculated, so that a base line load of the power use terminal is obtained; power use of the power use terminal is controlled through the base line load. The invention further discloses a device for responding the electric power requirement. According to the technical scheme, an electric power requirement response is achieved and balance between supply and demand of a power system is facilitated.
Owner:SHAANXI REGIONAL ELECTRIC POWER GROUP
Order price adjustment method, device and electronic device
ActiveCN109447735BFully reflect the intensity of service demandImprove service enthusiasmMarket predictionsBuying/selling/leasing transactionsOperations researchIndustrial engineering
Owner:长沙市到家悠享家政服务有限公司
Cluster division method considering flexible supply and demand balance and response speed
ActiveCN113393085AGuaranteed structural performanceIncrease autonomyResourcesInformation technology support systemControl engineeringGenetics algorithms
The invention relates to a cluster division method considering flexible supply and demand balance and response speed. The method comprises the steps: firstly, analyzing the influence of wind-solar grid connection on a load, and studying the capability of a distributed power supply and a load thereof in a cluster for providing flexibility for a system; secondly, providing a comprehensive index combining a distributed power supply cluster flexibility supply and demand balance index, a response speed index and a modularity index; and finally, dividing the distributed power supply cluster by adopting an improved genetic algorithm. Compared with the prior art, the method has the advantages that the cluster structure can be guaranteed, the supply and demand balance of the flexible resources in the cluster can be guaranteed, the autonomous capability of the cluster is improved, the response characteristic of the flexible resources in the cluster is fully played, and the capability of the cluster participating in system frequency modulation is improved.
Owner:STATE GRID HUBEI ELECTRIC POWER RES INST +1
Coordination control method for circulating fluidized bed generator set
ActiveCN101431310BShorten adjustment timeLimit motion rateElectric generator controlClose couplingFluidized bed
Owner:STATE GRID TIANJIN ELECTRIC POWER +1
Load optimization control method for thermal power units in propr mode
ActiveCN103713613BGuaranteed control qualityEnsure supply and demand balanceTotal factory controlProgramme total factory controlLoad instructionTime changes
Owner:STATE GRID CORP OF CHINA +1
Load operation optimization method considering flexibility potential
InactiveCN111817302AReduce electricity costsChange work statusPower network operation systems integrationAc network voltage adjustmentLoad optimizationMathematical model
The invention discloses a load operation optimization method considering flexibility potential. The method comprises the following steps (1) of establishing a mathematical model capable of regulatingand controlling a load; (2) establishing a load optimization model based on a flexibility potential; and (3) obtaining the optimal operation time period of each load. In the step 1), a mathematical model capable of regulating and controlling loads is established for various loads; in the step 2), a load optimization model based on the flexibility potential is established, and the load optimizationmodel aims to reduce power consumption cost of a user to the minimum. The method is advantaged in that an objective of the invention is to solve technical problems in the prior art that the considered load type is single, the applicable scene has relatively large limitation, and the flexibility potential of the demand side needs to be further improved.
Owner:CHINA THREE GORGES UNIV
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