Value-based transmission asset maintenance management of electric power networks
First Claim
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1. A method for assisting with maintenance management of a power network, the method comprising:
- determining a set of power network components being likely to fail;
determining a condition of each power network component;
determining a reliability parameter corresponding to each power network component;
determining an impact on the power network of a failure of each power network component; and
determining, for each power network component, a risk value based on the impact on the power network of the power network component failure and determining a corresponding probability of power network component failure based on the reliability parameter and the condition of the power network component.
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Abstract
A systematic approach is presented for the development and implementation of cost-effective transmission asset maintenance strategies. The overall concept and methodology are based on transmission reliability and risk management and address the value of preventive maintenance activities. This may help electric network utilities conduct maintenance policy assessment, region-wide criticality analysis, and optimal maintenance resource allocation and task scheduling.
78 Citations
31 Claims
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1. A method for assisting with maintenance management of a power network, the method comprising:
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determining a set of power network components being likely to fail;
determining a condition of each power network component;
determining a reliability parameter corresponding to each power network component;
determining an impact on the power network of a failure of each power network component; and
determining, for each power network component, a risk value based on the impact on the power network of the power network component failure and determining a corresponding probability of power network component failure based on the reliability parameter and the condition of the power network component. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A system for assisting with maintenance management of a power network, the system comprising:
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a first data store comprising power network component information;
a computing application, the computing application cooperating with the first data store and performing;
determining a set of power network components being likely to fail;
determining a condition of each power network component;
determining a reliability parameter corresponding to each power network component;
determining an impact on the power network of a failure of each power network component; and
determining, for each power network component, a risk value based on the impact on the power network of the power network component failure and determining a corresponding probability of power network component failure based on the reliability parameter and the condition of the power network component. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A method for developing a maintenance management program, the method comprising:
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determining an assessment of a condition of a power network component and determining a set of maintenance options for the power network component;
determining an analysis of power network component reliability performance and applying a model to define a set of credible power network outage events including contingency probability and system switching operations;
developing a system impact assessment and risk quantification based on the condition assessment and the performance analysis; and
creating the maintenance management program based on the system impact assessment and the risk quantification.
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Specification