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Method for solving low-credibility problem of power distribution network information collection

A technology for collecting information and processing method, which is applied in the field of processing the problem of low reliability of information collected by distribution network, can solve problems such as low reliability, and achieve the effect of strong practicability

Active Publication Date: 2016-12-07
CHINA ELECTRIC POWER RES INST +2
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Problems solved by technology

[0005] Therefore, in view of the above-mentioned problems existing in the existing technology, it is necessary to provide a method that makes full use of the existing multi-information source conditions, based on the correlation between the distribution network information, corrects the measured value of the information, and solves the problem of low distribution network information collection. Credible technical solutions to improve data quality and enhance the reliability of data analysis conclusions

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  • Method for solving low-credibility problem of power distribution network information collection
  • Method for solving low-credibility problem of power distribution network information collection
  • Method for solving low-credibility problem of power distribution network information collection

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Embodiment Construction

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in combination with the technical flow chart of the present invention and the schematic diagrams of the implementation cases.

[0036] The present invention synthesizes the measurement state of the concerned quantity and its associated quantity to generate the posterior state of the concerned quantity. This posterior state has higher reliability and lower uncertainty than the measurement state.

[0037] The present invention first establishes two models, respectively:

[0038] 1. Aiming at a certain quantity of interest in the distribution network, based on the relationship between various quantities, using historically collected information, a probabilistic association model between the quantity of interest and its associated quantity is established.

[0039] 2. Based on the distribution network acquisition method, considering the close coupling relat...

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Abstract

The invention provides a method for solving a low-credibility problem of power distribution network information collection. The method comprises the steps of establishing a probability correlation model, establishing a probability fusion model and solving the low-credibility problem of power distribution network information collection. According to the technical scheme, multi-information source conditions of a power distribution network are fully utilized, the low-credibility problem, caused by information misdeclaration, misstatement and underreporting of a single information source, of power distribution network information collection is effectively solved, and the high practicability is achieved.

Description

technical field [0001] The invention relates to the field of electric power systems and automation thereof, in particular to a processing method for the problem of low reliability of information collected by a distribution network. Background technique [0002] With the continuous improvement of the digitalization and automation level of the distribution network, a wealth of information can be transmitted to the control center in real time or quasi-real time, which makes it possible to comprehensively utilize all kinds of real-time information collected for analysis and decision-making of the distribution system. In addition, power grids across my country are starting to build comprehensive data platforms. After the comprehensive data platform is completed, the system's WAMS information, SCADA information, fault recording information, relay protection information, etc. can be directly extracted from the data platform. Converged distribution network analysis provides a wealth ...

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Application Information

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IPC IPC(8): G06N3/08G06K9/62G06Q50/06
CPCG06N3/084G06Q50/06G06F18/25
Inventor 李雅洁刘科研盛万兴孟晓丽贾东梨胡丽娟叶学顺董伟杰何开元刁赢龙唐建岗
Owner CHINA ELECTRIC POWER RES INST
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