Method for optimizing maintenance strategy by using risk assessment of power transmission and transformation equipment

A technology for power transmission and transformation equipment and risk assessment, applied in data processing applications, instruments, predictions, etc., can solve problems such as difficult to judge the state maintenance strategy of power transmission and transformation equipment
CN104933477AInactive Publication Date: 2015-09-23WUHAN NARI LIABILITY OF STATE GRID ELECTRIC POWER RES INST
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
WUHAN NARI LIABILITY OF STATE GRID ELECTRIC POWER RES INST
Publication Date
2015-09-23
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to the technical field of assessment, diagnosis and reliability of power transmission and transformation equipment, and particularly relates to a method for optimizing a maintenance strategy by using risk assessment of power transmission and transformation equipment. According to the invention, information sources required by risk assessment such as a fault tree structure, specialist experience, equipment whole process information and fault diagnosis are collected, the fault criticality and a criticality index are acquired through analyzing on the basis of the information sources, the risk level of the equipment is judged in a risk matrix, risk ranking is carried out according to the risk level, and a corresponding maintenance strategy is formulated.
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Description

technical field

[0001] The invention belongs to the technical field of evaluation, diagnosis and reliability of power transmission and transformation equipment, and in particular relates to a method for optimizing maintenance strategies by utilizing risk assessment of power transmission and transformation equipment. Background technique

[0002] Risk assessment refers to the analysis and evaluation of the inherent or potential hazards and their severity in a working system with specific functions, and makes a quantitative expression with a predetermined index, level or probability, and finally evaluates the risk according to the magnitude of the quantitative value. Determine the preventive or protective countermeasures that need to be taken to achieve the purpose of effectively reducing risks.

[0003] With the development of society and economy, the demand for electricity continues to expand, the number of power grid assets continues to increase, the investment in new subst...

Claims

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