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Article RSE 16082736

A PDE-based partial discharge simulator

Article

Journal of Computational Physics doi.org/10.1016/j.jcp.2017.05.045, vol. 345, pp. 687–705, Maggio-2017.

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A.R.L. Garzon (Politecnico di Milano), R. Malgesini (RSE SpA) , L. Barbieri (RSE SpA), M. Gondola (RSE SpA) , A. Barbareschi Villa (RSE SpA)

MON4-GRID 2017 - Management, monitoring and control of the transmission grid

In this work, a fully physically-based model, based on a set of conservation partial differential equations, is introduced.

Partial discharges are the main ageing and failure mechanism of solid insulating materials subjected to alternated current stresses. This phenomenon, from a simulation point of view, has been almost always tackled using semi-empirical schemes. In this work, a fully physically-based model, based on a set of conservation partial differential equations, is introduced. A numerical algorithm, specifically designed to solve this particular problem, is developed and its validation is discussed considering some experimental data acquired in a simple geometry containing an isolated void.

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