Influence of Field Strength and Temperature on the Space Charge Distribution in Epoxy under DC Stress

T. Wendel, J. Kindersberger, M. Hering

Publikation: Beitrag in Buch/Bericht/KonferenzbandKonferenzbeitragBegutachtung

4 Zitate (Scopus)

Abstract

The relevant physical mechanisms influencing the space charge accumulation in solid insulating materials for gas insulated systems are studied. Space charge measurements according to the pulsed electro acoustic method (PEA) in epoxy samples are performed under DC stress. The influence of temperature and field strength on the space charge distribution is clarified. The accumulation of homo charges is observed, even at short stress durations. It is explained by the injection of charge carriers from the electrodes into the material. At longer stress durations hetero charges accumulate close to both electrodes. The accumulated charge in the material increases with applied field strength. Higher temperatures accelerate the accumulation of homo and hetero charges.

OriginalspracheEnglisch
TitelICHVE 2018 - 2018 IEEE International Conference on High Voltage Engineering and Application
Herausgeber (Verlag)Institute of Electrical and Electronics Engineers Inc.
ISBN (elektronisch)9781538650868
DOIs
PublikationsstatusVeröffentlicht - 2 Juli 2018
Veranstaltung2018 IEEE International Conference on High Voltage Engineering and Application, ICHVE 2018 - Athens, Griechenland
Dauer: 10 Sept. 201813 Sept. 2018

Publikationsreihe

NameICHVE 2018 - 2018 IEEE International Conference on High Voltage Engineering and Application

Konferenz

Konferenz2018 IEEE International Conference on High Voltage Engineering and Application, ICHVE 2018
Land/GebietGriechenland
OrtAthens
Zeitraum10/09/1813/09/18

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