Keywords
insulation wearing out
prediction
models of technical states and operating factors трансформатор
износ изоляции
прогнозирование
модели технического состояния и факторов эксплуатации
How to Cite
Abstract
Importance of the different parameters of wearing out of power transformer insulation prediction structure, operating factors, selection of configuration and parameters of paper insulation and transformer oil technical state models is investigated. Prediction of wearing out of power transformer winding insulation is reduced to the stochastic prediction of load dynamics and ambient temperature, simulation of the changes of technical states of paper insulation and transformer oil, aging calculations and probabilistic estimation of insulation wearing out. Computer simulation of power transformer insulation wearing out for the next ten years of operation is performed. References 6, figures 2.
References
Lizunov S.P., Lokhanin A.K. Power transformers. Handbook. – Moskva: Energoizdat, 2004. – 616 p. (Rus)
IEC 60076-7 Ed. 1: Power transformers. – Part 7: Loading guide for oil–immersed power transformers. – 2005. – Vol.14/512/FDIS.
Vasin V.P., Dolin A.P. The problem of estimating the residual life of oil-immersed power transformer's insulation // Novoe v rossiiskoi elektroenergetike. – 2008. – № 3. – Pp. 42–55. (Rus)
Vasin V.P., Dolin A.P. Oil–immersed power transformers insulation resource // ELEKTRO. Elektrotekhnika, elektroenergetika, elektrotekhnicheskaia promyshlennost. – 2008. – № 3. – Pp. 12–17. (Rus)
Poliakov M.A., Vasilevskii V.V. Evaluation of the insulations residual life based on accounting of life cycle individual characteristics for power transformer // Elektrotekhnika i elektromekhanika. – 2014. – № 3. – Pp. 30–33. (Rus)
GOST 14209-97: Loading guide for oil–immersed power transformers. – Moskva: Gosstandart Rossii, 1997. – 82 p. (Rus)
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