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Electrical infrastructure equipment in the petrochemical and/or oil and gas industry in North America is generally 40 or more years old. The life and reliability of electrical equipment in this age range can be compromised due to operating conditions such as exposure to moisture and chemicals, loading, temperature, vibration, and mechanical stress over the life of the equipment. Electrical equipment...
Transformers play critical roles in delivering power to distribution equipment for homes, commercial establishments and industrial facilities. Sudden failure of a transformer can have many serious repercussions leading to loss of power for a few minutes to hours. There are instances an outage could last for weeks because of system configuration, such as a simple radial system or the transformer was...
As power system equipment age, many utilities are seeking investigative and analytical procedures that can facilitate the prioritization of corrective and preventative maintenance dollars so that they can channel resources to areas where the most improvements to system reliability will be realized. This paper presents a systematic approach to the development of equipment maintenance strategies. The...
Electric utilities schedule power transformers in high voltage load stations (customer delivery or regional supply systems) for planned outages such as unit refurbishment, unit replacement, etc. that may last for a few weeks. During the planned outage time, companion units may fail causing a complete loss of supply to customers. Mobile unit transformers (MUTpsilas) could be used in these emergency...
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