Object oriented expert power line ampacity system
First Claim
1. A computer system for evaluating line ampacity in an overhead power transmission line system by object oriented modeling comprising:
- means for acquiring and storing power line conductor, power line design parameter, power line geographic location, weather station, and meteorological forecast data;
means for implementing rules derived from an expert system knowledgebase to provide advisory information indicating errors or conflicts in the acquired data;
means for performing an analysis of said power transmission line system based upon the acquired data, wherein said power transmission line system is analyzed during steady state, dynamic state, and transient conditions; and
means for predicting hourly values of power line ampacity of said power transmission line system up to seven days in advance, using results obtained from said analysis.
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Abstract
A power line ampacity system called LINEAMPS is invented by object oriented modeling and expert rules of the power line environment. Ampacity is estimated by the solution of conductor temperature differential equations using synthetic generation of meteorological data adjusted to national weather service forecast. The line ampacity system provides hourly values of present and future power line ampacity up to seven days in advance. The program has steady state, dynamic and transient ampacity models which can accurately respond to any weather condition or line currents. The system does not require real time meteorological data, conductor temperature measurements or new hardware on power lines. In the absence of real time meteorological data the system generates power line ampacity from the stored weather patterns of the region located in the weather station objects. LINEAMPS is applicable to all overhead power lines and is easily implemented in all geographic regions. It is an economical line ampacity system implemented in a standard PC Windows computer system and easily ported to all computer platforms.
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Citations
15 Claims
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1. A computer system for evaluating line ampacity in an overhead power transmission line system by object oriented modeling comprising:
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means for acquiring and storing power line conductor, power line design parameter, power line geographic location, weather station, and meteorological forecast data; means for implementing rules derived from an expert system knowledgebase to provide advisory information indicating errors or conflicts in the acquired data; means for performing an analysis of said power transmission line system based upon the acquired data, wherein said power transmission line system is analyzed during steady state, dynamic state, and transient conditions; and means for predicting hourly values of power line ampacity of said power transmission line system up to seven days in advance, using results obtained from said analysis. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification