In this paper, a novel multi-stress model which estimates the lifetime of the winding insulation relative to its duty cycle is proposed and investigated. With an adequate implementation of this model, then an electrical machine can be designed not only in terms of its performance requirements, but also considering the associated reliability and lifetime aspects. The determination of the model parameters is based on the results of accelerated thermo-mechanical ageing tests.
Multi-stress lifetime model of the winding insulation of electrical machines / Pietrini, G.; Barater, D.; Immovilli, Fabio; Cavallini, A.; Franceschini, G.. - (2017), pp. 268-274. (Intervento presentato al convegno 2017 IEEE Workshop on Electrical Machines Design, Control and Diagnosis, WEMDCD 2017 tenutosi a Trent Building, University Park, gbr nel 2017) [10.1109/WEMDCD.2017.7947758].
Multi-stress lifetime model of the winding insulation of electrical machines
Pietrini, G.;Barater, D.;IMMOVILLI, Fabio;Franceschini, G.
2017
Abstract
In this paper, a novel multi-stress model which estimates the lifetime of the winding insulation relative to its duty cycle is proposed and investigated. With an adequate implementation of this model, then an electrical machine can be designed not only in terms of its performance requirements, but also considering the associated reliability and lifetime aspects. The determination of the model parameters is based on the results of accelerated thermo-mechanical ageing tests.
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