Aging and life models for insulation systems based on PD detection
作者： G.C. Montanari
DOI: 10.1109/94.407031
关键词:
摘要: Aging and life models based on growth of electrical trees in insulating materials systems subjected to stress are investigated. The consider aging be primarily a function either the tree length or intensity discharges occurring within trees. In terms latter quantity, model is postulated, which relates stress, apparent charge time end point, i.e. needed reach limit amount above insulation system fails fulfil serviceability requirements. Generalised probability also proposed, satisfy need resort stochastic considerations for failure evaluation. Even if, principle, hold presence predominant insulation, they can applied general purposes from phenomenological point view. >
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