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Survival function of a power transformer and a switch by means of non-parametric estimators
International Journal of Production Management and Engineering
The aim of this work is the estimation of the survival function of a power transformer and a switch for a medium voltage substation, which provides the empirical reliability of this transformer and its switch. The statistical analyses of recurrent events are used for this estimate. In this study, have been applied several estimators: in the presence of correlation, under a model of maximum likelihood and assuming a gamma frailty model. This work is part of a project applying various techniquesdoi:10.4995/ijpme.2013.1517 fatcat:bsnbnyj2dzetrj3gxyqvnswhna