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Power grid svg graphic file, method and system for generating said graphic file

A graphics file and graphics technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve the problems of unable to describe the changes of SVG graphics in the power grid, frequent exchange of SVG graphics files, large storage space, etc.

Active Publication Date: 2016-03-02
EAST CHINA GRID
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  • Abstract
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Problems solved by technology

[0004] However, since the SVG graphics used in the current power system only describe the graphics of the plant or system at a certain moment, it cannot describe the changes in the SVG graphics of the power grid within a certain period of time
This has two disadvantages: on the one hand, it will lead to too frequent exchange of SVG graphic files between different systems, that is, every time the SVG graphic changes, it needs to exchange SVG graphic; on the other hand, only the latest SVG graphic is kept inside the EMS system , without recording the changes of the grid SVG graphics over a period of time
Even if SVG graphics with changes are used for storage, for SVG graphics with multiple minor changes (such as system diagrams, GIS diagrams, etc.), the storage space is relatively large

Method used

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  • Power grid svg graphic file, method and system for generating said graphic file
  • Power grid svg graphic file, method and system for generating said graphic file
  • Power grid svg graphic file, method and system for generating said graphic file

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Embodiment Construction

[0044] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0045] Objects in the grid SVG graphic file of the present invention include extended time attributes, and the grid SVG graphic file including the extended time attribute describes the change status of the grid graph within a time period. The objects in the grid SVG graphic file are power system resource objects and connection relationship objects. see figure 1 , figure 1 It is a schematic diagram of the class organization form structure of the SVG graphics of the present invention. The characteristic of the organization form is that each Layer starts with g, and each type of equipment is put together. The tree-like hierarchical structure is represented in memory as a double-linked list structure, and each other can be found through the parent node and th...

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Abstract

The invention relates to a power grid SVG graphic file, a creation method and a creation system thereof. The creation method comprising the following steps of: analyzing a first moment power grid SVG graphic file and storing the power grid SVG graphic file in a first buffering zone according to the type organization form of SVG graphs; copying the content stored in the first buffering zone to a second buffering zone; analyzing a second moment power grid SVG graphic file and storing the power grid SVG graphic file in a third buffering zone according to the type organization form of the SVG graphs; comparing differences of the contents stored in the first buffering zone and the third buffering zone according to the type organization form of the power grid SVG graphs, and increasing SVG graphic objects, deleting the objects and modifying the attributes of the objects in the second buffering zone according to the compare results, wherein the power grid SVG graphs in the second buffering zone creates expanded time attributes; and creating a graphic file for describing the modification state of the power grid graphs in a period of time according to the type organization form of the SVG graphs including the expanded time attributes in the second buffering zone.

Description

technical field [0001] The invention relates to a scalable vector graphics (ScapableVectorGraphics, SVG) file for a power grid, a method for generating the graphic file and a system for generating the graphic. Background technique [0002] SVG is a unified and open standard recommended and released by W3C. The main purpose of the introduction of SVG graphics is to realize the graphics exchange between different systems, different manufacturers and different power companies. In the power dispatching center, the SVG format has become the most common graphical interactive format for system diagrams (geographical and schematic) and primary wiring diagrams between different EMS / SCADA systems and between EMS / SCADA systems and other systems. [0003] SVG graphics are applied to the grid mainly through the SVG graphics <g>graphics group, in <g>A whole graphics entity and device object is defined in the graphics group, and a consistent corresponding relationship is esta...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30
Inventor 张磊张亮王亮汪德星葛敏辉毕晓亮葛朝强
Owner EAST CHINA GRID
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