Title:	Partial discharge behavior on solid- air interfaces at AC stress condition
Authors:	Zedan, Ousama Ahmed Abdalla Haller, Rainer El-Refaie, El-Sayed Mohamed Abd Elrahman, Mohamed K.
Citation:	ZEDAN, OAA. HALLER, R. EL-REFAIE, EM. ABD ELRAHMAN, MK. Partial discharge behavior on solid- air interfaces at AC stress condition. In: Proceedings of the 2020 International Conference on Diagnostics in Electrical Engineering (Diagnostika) : CDEE 2020. Pilsen: University of West Bohemia in Pilsen, 2020. s. 210-214. ISBN 978-1-72815-879-2, ISSN 2464-7071.
Issue Date:	2020
Publisher:	University of West Bohemia in Pilsen
Document type:	konferenční příspěvek conferenceObject
URI:	2-s2.0-85094867797 http://hdl.handle.net/11025/42829
ISBN:	978-1-72815-879-2
ISSN:	2464-7071
Keywords in different language:	finite element analysis;surface discharge
Abstract in different language:	Partial discharge (PD) is one of the major factors that damage dielectric materials in medium and high voltage components. Therefore, partial discharge evaluation is generally used to observe the status of electrical insulation in high and medium voltage components used in the performance appreciation of an insulation system. In this work, partial discharge behavior on solid- air interfaces has been investigated commonly characterized as surface discharge. The investigation was performed by PD measurement as well as by adequate modelling for different insulating materials as the Natural Rubber (NR), Silicone Rubber (SiR), Ethylene Propylene Diene Monomer Rubber (EPDM) and High- Density Polyethylene (HDPE). Through modeling the partial discharge process, a better conception of the phenomenon may be achieved. The model of different homogeneous insulating materials has developed using Finite Element Analysis (COMSOL) software in parallel with MATLAB programming function. The results of the study indicate that the repetition rate and the peak apparent charge increased with the insulating material relative permittivity increase while the inception voltage does not change significantly.
Rights:	Plný text je přístupný v rámci univerzity přihlášeným uživatelům. © University of West Bohemia in Pilsen
Appears in Collections:	Konferenční příspěvky / Conference papers (RICE) Konferenční příspěvky / Conference Papers (KEE) OBD

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