The invention provides a system and a method for realizing geographic visualization of a smart power grid The system comprises a system and a method for realizing geographic visualization of a smart power grid in the technical field of the smart power grids The system comprises a geographic information module, a power system information module, a data interaction module, a load flow calculation module, a carbon emission flow calculation module, an electric vehicle dispatching calculation module and a calculation interface module According to the system for realizing the geographic visualization of the smart power grid, the integration of the calculation and the visualization of the smart power grid information is realized, the connection of the visualization of the geographical wiring information of the location of an MFC based power system to the calculation of the load flow based on MATLAB and the carbon emission flow is provided, the interface is easy to expand, the geographical wiring of one region can be displayed on a map which can be dragged and zoomed, and then the power wiring information can be calculated and analyzed

System and method for realizing geographic visualization of smart power grid

The invention discloses a control method of a post-combustion carbon capture generating station based on different flexible operation modes, and belongs to the technical fields of generating station operation and control. The method comprises the steps of: controlling the base values of integral operating indexes of a generating station by adjusting equivalent power generation power, controlling average CO2 capture rate by adjusting a flue gas splitting ratio, controlling instantaneous CO2 capture rate by adjusting a pregnant solution splitting ratio or a solution storage device, and controlling equivalent CO2 capture efficiency by adjusting a thermal power factor of a reboiler; and building an operation optimization model of the post-combustion carbon capture generating station under different flexible operation modes, solving the model and implementing control, simultaneously comparing the theoretical values with actual values of equipment control variables and operation states, andupdating the initial conditions and solving the operating control strategy of residual time interval when a deviation appears until the operation optimization control of whole time intervals in the decision-making period is finished. By adopting the method, coordinated control and operation optimization control of equipment in the post-combustion carbon capture generating station are realized andsignificant benefit increase space is brought.

Control method of post-combustion carbon capture generating station based on different flexible operation modes

The invention provides an efficient achieving method for a WEB assembly. The appearance of the assembly is drawn through the Adobe Illustrator and is saved as an SVG file, related picture elements in an SVG graph are obtained through the JavaScript, the aim of dynamically changing the graph is achieved by setting attributes such as filling colors, frame colors, position coordinates, widths, heights and transformation matrixes of the picture elements, and therefore the WEB assembly is achieved. The assembly appearance drawn through the AI tool can be quite attractive and gorgeous, and the JS codes responsible for setting the SVG picture element attributes are quite short and simple. By means of the method, the design thought of a traditional GUI assembly is broken through, the drawing tool and programming are combined, and a quite important design thought is brought to the design of the GUI assembly. The method can be applied to the design of the WEB assembly, and can be used for the design of the GUI assembly with a desktop manufactured through the JAVA/C#.

Efficient achieving method for WEB assembly

The invention relates to an active power distribution network operational control method based on minimum carbon emission, and belongs to the field of low-carbon electric power and control technology. The active power distribution network operational control method based on minimum carbon emission comprises the steps of inputting a topological structure, systematic parameters and operation initial state data of an active power distribution network to form a basic database; setting the operational control variable of the active power distribution network, and controlling the carbon emission of the active power distribution network by adjusting the output power in each time frame of a distributed power supply and the operating mode and charging and discharging power in each time frame of energy storage equipment; establishing an operation optimization model of the active power distribution network based on low carbon, solving the model and implementing control. By means of the active power distribution network operational control method based on minimum carbon emission, equipment coordination control and operation optimization control over the active power distribution network can be achieved, the low-carbon energy-saving potential of the electric power industry on the links of power distribution and consumption is further sufficiently exploited, and carbon emission of the power distribution network is effectively lowered.

Active power distribution network operational control method based on minimum carbon emission

A method for drawing a graphical user interface (GUI) is disclosed. The method may be implemented by a terminal. The method may comprise receiving an instruction for drawing a GUI; determining attribute data of each of graphic elements in a scalable vector graphic (SVG) document according to the received instruction, the graphic elements corresponding to the GUI; and drawing the GUI according to the determined attribute data.

Method and device for drawing a graphical user interface

The invention provides a method for calculating composite index of grid operation based on information source entropy. According to the method, historical data of all indexes are subjected to statistics, the change law of the indexes is analyzed, the orderliness and the degree of stability of the historical data of the indexes are reflected by the information source entropy of the indexes, and then, the weight coefficients of the indexes are obtained. The method for calculating the composite index of the grid operation, provided by the invention, is different from the traditional index weight calculation methods which are based on subjective rating, each index entry serves as an independent information source, and the information source entropy of concerned indexes is calculated and serves as a weight calculation basis of the indexes, so that the fluctuation amplitude and the disorderliness of index values can be reflected objectively, and the contribution rate and the distinction degree of the indexes to the composite index of the grid operation are calculated scientifically. The method is simple in flow, small in calculation amount, low in developing difficulty and distinct in physical meaning and has strong practicability.

Method for calculating composite index of grid operation based on information source entropy

The invention relates to a method for measuring carbon emission quantities during power consumption by active power distribution network users and based on carbon emission flow, and belongs to the technical field of low-carbon electric power and electric power system operation measurement. The method comprises the following steps: a topological structure, system parameters and running state data of an active power distribution network are input from a power grid database to form a basic database; data are selected from the basic database to construct a computing matrix and a vector of the carbon emission flow of the active power distribution network; zero flux nodes which affect the solution feasibility of the carbon emission flow in the active power distribution network are judged and removed; the constructed computing matrix and the constructed vector are used for solving the node carbon potential of all non-power-supply nodes in all time periods in the active power distribution network; and the carbon emission quantities during the power consumption by all users at all the nodes in all the time periods are calculated according to the obtained carbon potential of all the user nodes in the active power distribution network, and therefore the measurement of the carbon emission quantities during the power consumption by the users in a single time period and multiple periods is finished. According to the method, the carbon emission flow theory is applied to the active power distribution network, and therefore the carbon emission quantities during the power consumption by the users can be observed and measured.

Method for measuring carbon emission quantities during power consumption by active power distribution network users and based on carbon emission flow

The invention relates to a method for displaying date by combining user-defined graphics into SVG (Scalable Vector Graphics) and belongs to the field of computer application. The method comprises the steps as follows: organizing to-be-displayed date in a date format in a planned graphic display form; determining an applied sub-graphic combination by combining the planned graphic display form and the data format, and calculating the coordinates and attributes of sub-graphics; adopting a DOM (Document Object Model) programming interface to access an SVG document, and creating a new canvas in the SVG document according to a set coordinate at the top left corner of the canvas and the size of the canvas; painting a round-rectangle-shaped background and a texture tile (selectable); creating the sub-graphics contained in the sub-graphic combination on the SVG canvas according to a hierarchical relation; adding mouse and keyboard interaction events to the sub-graphics on the SVG canvas; and changing the SVG canvas, applying the SVG canvas to the SVG document, and refreshing the interface display. The method meets the requirements of personalized graphic display, has strong expansibility, low development difficulty, high development efficiency and very high practicability.

Method for displaying date by combining user-defined graphics into SVG (Scalable Vector Graphics)

The invention relates to a carbon capturing system and a method for controlling electric carbon coordination in a carbon capturing power plant after combustion, belonging to the field of operation and control in a power plant. The system comprises a CO2 absorber, a CO2 decomposer, a CO2 compressing unit and connecting pipelines, which is characterized in that the system further comprises a pipeline for direct discharge of flue gases, two liquid reservoirs and liquid level sensors, wherein the liquid level sensors are respectively arranged in the two liquid reservoirs to control the height of the liquid. The method comprises the following steps: selecting three object control variables; forming an optimal model and dispatching instructions coordinately operated within a day in the carbon capturing power plant to carry out real time operation control on various intraday scheduling periods; and comparing the real operation conditions of the power plant and the current optimal scheduling scheme, if no deviation occurs, the day-ahead optimal scheme is continued to be implemented, and if deviation occurs, the optimal model is corrected, solving to obtain the corrected scheduling scheme and carrying out real time operation control on the intraday residual scheduling periods until works of all intraday scheduling periods are completed. The invention can reduce carbon capturing operation cost of the power plant and improve economic benefit of the power plant.

Carbon capturing system and method for controlling electric carbon coordination in carbon capturing power plant after combustion

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