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Online stability evaluation index system of electric power system

A power system and stability assessment technology, applied in information technology support systems, data processing applications, instruments, etc., can solve problems such as complex operating conditions of the power grid, and in-depth research on the stability mechanism and evaluation methods of the power grid

Active Publication Date: 2014-08-27
STATE GRID CORP OF CHINA +4
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Problems solved by technology

[0002] The interconnection of modern power grids and the expansion of the grid-connected scale of intermittent new energy power sources, as well as the application of various new power electronic components, make the operating conditions of the power grid more complex, and the stability mechanism and evaluation methods of the unified power grid have not yet been studied in depth

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  • Online stability evaluation index system of electric power system
  • Online stability evaluation index system of electric power system
  • Online stability evaluation index system of electric power system

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Embodiment Construction

[0038] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0039] Such as figure 1 , the present invention provides an online stability evaluation index system of a power system, the system includes an online data integration module, a power grid operation status index classification and evaluation module, a power grid change trend index customization and calculation module, a power grid change trend index display module and a power grid change trend auxiliary decision-making module; the online data integration module integrates the received trend data to obtain future power flow data; Index evaluation and index customization, the obtained evaluation results and customized indicators are transmitted to the power grid change trend index display module, and information interaction is performed between the power grid change trend index display module and the power grid change trend auxiliary decision-making module to re...

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Abstract

The invention provides an online stability evaluation index system of an electric power system. The online stability evaluation index system comprises an online data integration module, a power grid operating state index classification and evaluation module, a power grid variation trend index customization and calculation module, a power grid variation trend index display module and a power grid variation trend decision-making aid module. On the basis of an online integration method of basic data, index classification and calculation are carried out accompanied by index display, and thus a reliable and reasonable basis is provided for aiding decision making of future trend variation of the power grid. Algorithm development, induction, summarization and classification are carried out on indexes reflecting the future operating state of the power grid in all aspects, and the future operating state of the power grid is clearly displayed. What needs to be protected mainly includes the design framework and the function content of an index system, an index classification method and a method adopted for a platform index customization tool and a formula parser.

Description

technical field [0001] The invention belongs to the field of grid stability analysis, and in particular relates to an online stability evaluation index system of a power system. Background technique [0002] The interconnection of modern power grids and the expansion of the grid-connected scale of intermittent new energy power sources, as well as the application of various new power electronic components, make the operating conditions of the power grid more complex, and the stability mechanism and evaluation methods of the unified power grid have not yet been studied in depth. In terms of forecasting the future situation of the power grid, it only stays in the form of using the future planned flow (power generation, load, maintenance, etc.), and it still belongs to the research method combining "prediction method and traditional analysis". According to the change characteristics of the dynamic response trajectory of the power grid, the quantitative estimation methods and ind...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q50/06
CPCY04S10/60Y04S10/50
Inventor 谢梅严剑峰李柏青边二曼华科蔡顺有鲁广明于之虹徐友平邵德军
Owner STATE GRID CORP OF CHINA
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