Fundamental Difference of Partial Discharge Phenomena under AC and DC Stresses

authored by

Hassan Saadati, Peter Werle, J. M. Seifert, Ernst Gockenbach, Hossein Borsi

Abstract

The destructive characteristics of partial discharges (PD) to insulation material are well known. PD in AC and DC stress has different behavior and characteristics. In the case of AC stress, phase-resolved partial discharge (PRPD) patterns, can be used for detection and evaluation of characteristic discharge parameters. However, for DC stress, no phase information is available. In this contribution the differences between AC and DC stresses and the influence of the temperature under DC stress by using analytical investigation and simulation results are discussed in order to achieve a better understanding about PD at DC stress Furthermore, by performing different experiments various effective parameters of PD activity at both AC and DC stress have been investigated.

Organisation(s)

High Voltage Engineering and Asset Management Section (Schering Institute)
Institute of Electric Power Systems

External Organisation(s)

Pfisterer/ LAPP Insulators GmbH

Type

Conference contribution

No. of pages

4

Publication date

13.02.2019

Publication status

Published

Peer reviewed

Yes

ASJC Scopus subject areas

Energy Engineering and Power Technology, Electrical and Electronic Engineering

Electronic version(s)

https://doi.org/10.1109/ICHVE.2018.8642207 (Access: Closed)