A Calculation Method of Distribution Network Inspection Period Based on Multidimensional Matrix Decision

A calculation method and inspection cycle technology, applied in the field of distribution network inspection cycle calculation based on multi-dimensional matrix decision-making, can solve the problems of unreasonable health and importance, lag in judgment results, limited quantity and energy, etc. The effect of reducing subjectivity, reducing human input, and low hysteresis

Active Publication Date: 2022-04-26
云南电网有限责任公司信息中心 +1
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Problems solved by technology

Due to the limited number and energy of professionals, it is difficult to judge all the lines
At the same time, the judgment results are lagging. Only when the health and importance are unreasonable during operation can the inspection cycle be passively adjusted

Method used

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  • A Calculation Method of Distribution Network Inspection Period Based on Multidimensional Matrix Decision
  • A Calculation Method of Distribution Network Inspection Period Based on Multidimensional Matrix Decision
  • A Calculation Method of Distribution Network Inspection Period Based on Multidimensional Matrix Decision

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Embodiment Construction

[0054] The technical solution of the present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment takes the calculation of the line distribution network inspection cycle of a certain prefecture in Yunnan as an example.

[0055] 1. Collect line decision-making samples and health and importance evaluations

[0056] Due to the large differences in environmental factors, equipment conditions, and user requirements for power supply reliability in various municipal bureaus, it is difficult to obtain accurate results using a unified sample and evaluation parameters. It is necessary to collect data for each municipal bureau separately. The content includes, but is not limited to: equipment ledger data, scheduling data, status evaluation system data, online monitoring data, defect data, defect grading standards, meteorological data, customer complaints and other fields.

[0057] The collected data give...

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Abstract

The invention discloses a method for calculating the distribution network inspection period based on multidimensional matrix decision-making. The operation is as follows: collect distribution network sample data, and the distribution network data includes health index and importance index data; Empirical health and importance evaluation; standardize the collected data; after obtaining the standardized data, calculate its information gain rate, build a decision tree, and then determine the health and importance of the line, and then according to the health and the importance decision matrix to obtain the inspection period. The invention takes the indexes in various fields of the line as a reference, and greatly reduces the subjectivity of manual judgment. Using the judgment of professionals as a classification sample, fully expand the use of the rich experience of professionals, greatly reduce manpower input, enable the calculation of the inspection cycle of the entire network and the whole line, and use real-time / quasi-real-time / recent indicators for automatic discrimination , which greatly reduces the hysteresis of the judgment result.

Description

technical field [0001] The invention belongs to the technical field of distribution network security and reliability analysis, and in particular relates to a method for calculating a distribution network inspection cycle based on multidimensional matrix decision-making. Background technique [0002] Distribution network lines and equipment are an important part of the power system. Due to lightning strikes, strong winds, floods, external construction and other factors, distribution network lines and equipment are prone to aging and damage. If they are not discovered and eliminated in time, they may develop into various A variety of faults or even accidents will affect the safe operation of the power system. [0003] Therefore, in order to ensure the safe and stable operation of the power system, it is necessary to inspect the distribution network lines and equipment, and replace the distribution network lines and equipment with defects and potential safety hazards to prevent...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/04G06Q10/06G06Q50/06
CPCG06Q10/04G06Q10/0639G06Q50/06
Inventor 高尚飞张志生王艳涛
Owner 云南电网有限责任公司信息中心
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