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Proposition for different life hazard curve for transformer and substation equipment

Marius Grisaru

Puni tekst: engleski pdf 1.156 Kb

str. 62-72

preuzimanja: 300



Today the classical bathtub curve model is the main model for life expectancy calculation of all the electrical equipment and, especially, all kind of oil-filled transformers. Most of the stakeholders and maintenance engineers make their decisions on tests, treatments and most importantly, replacement, on the bathtub curve concept. The costs that are associated with the classical bathtub curve are substantial, mainly driven by the unnecessary treatment or unnecessary replacements.

Ključne riječi

bathtub curve; failure probability; life extension

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