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Association rule analysis-based power system index analysis method

A technology of power system and analysis method, applied in the direction of electric digital data processing, resources, instruments, etc., can solve problems such as complex power system and difficult to achieve quantitative explanation

Inactive Publication Date: 2017-11-24
李明轩
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Problems solved by technology

However, this method is not practical for all failures
Due to the complexity of the power system, many of the rules cannot be explained through theoretical analysis; even if some rules can be explained qualitatively, it is difficult to explain them quantitatively
This will lead to no accurate rules telling the power system how to recover when the power system fails

Method used

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  • Association rule analysis-based power system index analysis method

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Embodiment Construction

[0031] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings.

[0032] see figure 1 As shown, the above-mentioned power system index analysis method based on association rule analysis is used to discover quantitative rules between data according to the data in power system operation. The analysis method includes the following steps:

[0033] (1) Select data: Confirm the target indicators that need to be analyzed to find out the improvement method. Generally, the target indicators are not directly controllable, and the relationship with other indicators is not clear enough. It is necessary to identify the target indicators and related factors through association rule analysis. The relationship between controllable indicators;

[0034] Select the relevant indicators associated with the target indicators, which can directly affect the target indicators when adjusting the related indicators. The related indic...

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Abstract

The invention discloses an association rule analysis-based power system index analysis method. Target indexes and related indexes are selected; association rules are mined; whether the association rules are meaningful rules or not is analyzed by calculating the improvement degree; and quantitative rules among data can be discovered from the data in operation of a power system by bypassing the problem which cannot be expounded by using a theory temporarily. By adopting an association rule analysis method, faults which possibly occur can be pre-warned according to a current operation state of the power system; and the method is indispensable in construction of an intelligent power network.

Description

technical field [0001] The invention relates to a power system index analysis method based on association rule analysis. Background technique [0002] Today's power system is becoming more and more complex and intelligent. With the introduction of the concept of smart grid, people's demand for grid automation is also increasing. Smart grid is a multi-index self-optimizing grid, which requires the grid to have the ability to independently analyze and solve problems when problems occur. The current approach is to add the rules in the power system to the computer, so that when a problem occurs in the power grid, it will automatically solve the problem according to the established rules. However, this method is not practical for all failures. Due to the complexity of the power system, many of the rules cannot be explained through theoretical analysis; even if some rules can be explained qualitatively, it is difficult to explain them quantitatively. This will lead to the absen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30G06Q10/06G06Q50/06
CPCG06F16/215G06F16/2465G06F2216/03G06Q10/06393G06Q50/06
Inventor 李明轩
Owner 李明轩
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