In this work, the space charge accumulation in three different XLPE based material has been carried out by using the PEA (Pulsed Electro-Acoustic) method. The specimens provided by a cables industry have been subjected to the same DC stress during polarization time at environment temperature. Afterwards, the high voltage generator has been turned off and the amount residual charge has been evaluated. The space charge profiles during polarization and depolarization have been carried out and compared. Finally, the distribution of electric field within the samples has been reported. In particular, the maximum distortion of electric field has been calculated by taking into account the distribution of the accumulated charges at the end of polarization time
Imburgia, A., Romano, P., Sanseverino, E.R., Viola, F., Hozumi, N., Morita, S. (2017). Space charge behavior of different insulating materials employed in AC and DC cable systems. In Proceedings of the International Symposium on Electrical Insulating Materials (pp. 629-632). Institute of Electrical Engineers of Japan [10.23919/ISEIM.2017.8166568].
Space charge behavior of different insulating materials employed in AC and DC cable systems
Imburgia, Antonino
Writing – Original Draft Preparation
;Romano, PietroWriting – Review & Editing
;Sanseverino, Eleonora RivaMembro del Collaboration Group
;Viola, FabioMembro del Collaboration Group
;
2017-01-01
Abstract
In this work, the space charge accumulation in three different XLPE based material has been carried out by using the PEA (Pulsed Electro-Acoustic) method. The specimens provided by a cables industry have been subjected to the same DC stress during polarization time at environment temperature. Afterwards, the high voltage generator has been turned off and the amount residual charge has been evaluated. The space charge profiles during polarization and depolarization have been carried out and compared. Finally, the distribution of electric field within the samples has been reported. In particular, the maximum distortion of electric field has been calculated by taking into account the distribution of the accumulated charges at the end of polarization time
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