30results about How to "Ensure supply and demand balance" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

The invention discloses a comprehensive energy microgrid group high-credibility distributed transaction method based on cross-chain interoperation, which is used for intercommunication and interconnection of a plurality of comprehensive energy micro-grid systems. A block chain network of a main and auxiliary chain structure is created, and high-credibility distributed transaction of the integrated energy microgrid group is performed by the network; an energy supplier and an energy demander in each integrated energy system make intelligent contracts in respective side chains, execute energy transactions and generate reputation value information according to performance conditions; when the interior of a certain integrated energy system cannot meet the demand of the participant, an energy transaction demand is sent to the main chain; the main chain performs matchmaking transaction on the cross-chain energy demand based on the reputation value, and broadcasts the concluded transaction protocol and reputation value information to the whole network; and the integrated energy micro-grid group executes the achieved energy transaction protocol through cross-chain interoperation of the block chain, and completes fund settlement. Based on the main and auxiliary chain parallel and cross-chain interoperation technology, the high-credibility distributed transaction of the comprehensive energy microgrid group is realized, and the distributed credible transaction of the energy system is effectively realized.

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.

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.