DIAGNOSIS OF CORROSION PROBLEMS IN UNDERGROUND ELECTRICITY DISTRIBUTION EQUIPMENT
Abstract
Correct diagnosis of corrosion damage of buried and below-grade metal equipment belonging to electric power distribution utilities is essential to maintain reliability, safeguard investment and avoid equipment replacement costs. An expert system package was developed to assist utility personnel during equipment inspection and/or failure investigation to recognize, identify and assess corrosion damage. The program guides the user through the equipment investigation process by asking simple questions, answers to which can be obtained by determining the equipment type, location, current service status, material of construction, and various parameters which can be measured to detect corrosion and establish its extent. The knowledge base used in this expert system contains all pertinent information to detect and evaluate power distribution system equipment corrosion, and suggest a corrective action.
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