Power grid operating risk recognition and prevention method and system

A power grid operation and risk technology, applied in the direction of instruments, data processing applications, calculations, etc., can solve the problem of non-sharing of information system data and achieve the effect of improving the work level

Inactive Publication Date: 2015-03-25
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] Based on this, it is necessary to provide a method for identifying and preventing risks in power grid operation, which solves the problem of non-sharing of information system data built by different manufacturers

Method used

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  • Power grid operating risk recognition and prevention method and system
  • Power grid operating risk recognition and prevention method and system
  • Power grid operating risk recognition and prevention method and system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] During the construction of the power grid operation risk management and control system, it is necessary to bring together the latest cutting-edge technologies in different professional fields such as power system, computer IT technology, and power informatization, and build a stable and highly reliable application platform relying on the existing basic software and hardware environment. That is, the risk identification and prevention system based on the power grid operation provided by the present invention. see figure 1 , the main ideas of its platform construction include:

[0031] Step 1: Extract model, data and other information from the existing software and hardware platform system with CIM (Common Information Model) / XML (Extensible Markup Language, Extensible Markup Language) standard to build a quasi-real-time operating environment;

[0032] Step 2: Using the electrical topology analysis algorithm, combined with the risk grading standard and the expert rule bas...

Embodiment 2

[0097] Regularly obtain the real-time operation mode and operation measurement data of the power grid from the EMS / SCADA system. The EMS / CIM files storing the power grid equipment, grids, and topology are obtained at daily intervals (belonging to relatively static data), and the measurement data It is acquired in units of 6, 12 or 24 hours (belonging to relative dynamic data), and then after the user selects the fault source equipment, the scope of the fault and the load loss data of the fault after the voltage loss of the faulty element can be analyzed. After the grid grid and expert experience rule library automatically generate the default recovery auxiliary decision-making scheme. The specific steps are as Image 6 shown:

[0098] Step S1: Start.

[0099] Step S2: Extract the real-time operation mode of the power grid, and at the same time, perform intelligent recognition of the model object based on the EMS / CIM standard for the maintenance plan based on the simple text,...

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Abstract

The invention provides a power grid operating risk recognition and prevention method and system. According to the method, a power grid model is extracted with the CIM as the standard, and operating measurement data of a power grid are imported into the model at a fixed period to form a near-real-time operating environment; the power grid operating risk grading standard, an electrical topology analysis algorithm and an expert rule base are introduced under the operating environment to set up a power grid operating risk recognition and prevention bank, an auxiliary platform integrating active risk recognition, accident evaluation and restoration control is set up, the data under the power grid real-time operating mode are integrated through the CIM standard, the problem that information system data set up by different manufactures can not be shared is solved, and the sound data support is provided for the power grid safety evaluation; on this basis, the evaluation standard for reasonably evaluating and grading operation risks is increased, and the power grid operating risk recognition and prevention system is constructed; an operating risk prevention and control work mode with the system operation as the center and without participation of related departments together is achieved, and the operating risk prevention and control work level of the power grid is improved.

Description

technical field [0001] The invention relates to the technical field of electric power automation, in particular to a method and system for identifying and preventing power grid operation risks. Background technique [0002] With the development of society and economy, the installed capacity and load level of the power grid are increasing year by year, the scale of the power grid is increasing, and the operation mode is more complex. Once an accident occurs in the power grid, its impact will become wider and wider, and its nature will become more and more serious. Therefore, ensuring the safety, stability and economic operation of large-scale interconnected power systems must be solved as a major strategic issue, in order to strengthen the research on the safety and reliability of power grids, and prevent the occurrence of large-scale blackouts caused by cascading failures in the power grid. [0003] In the actual power grid dispatching and operation work, the risk managemen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q50/06
CPCG06Q50/06
Inventor 徐渊易文韬胡斌李甦康浦文雄童凡刘哲
Owner STATE GRID CORP OF CHINA
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