Progress on Partial Discharge Detectionunder DC Voltage Stress

(creator_code:org_t)

Abstract Subject headings

Detection and evaluation of partial discharges (PD) is important for quality assurance and diagnosis ofelectrical insulation systems. With increasing use of DC voltages in electrical transmission and distributionsystems, the field of PD under DC voltage stress needs to be further investigated.CIGRE Working Group D1.63 was approved for start in May 2015, where available knowledge and experiencein particular concerning the field distribution in insulation systems used in DC voltage systems, and thephysical processes of the PD phenomena under DC voltage stress should be reviewed. In order of guidingto meaningful procedures for DC PD measurements of HV equipment thorough understanding of i) thedifferences of PD behaviour between AC and DC with respect to the physical process and ii) influencingfactors of operating conditions (as e.g. polarization, temperature etc.) of different insulation systems underDC stress and respective effects on PD phenomena had to be examined.

By the author/editor: Abbasi, A; Castellon, J; Cavallini, A; Esterl, F; Götz, T; Kharezy, Mohamma ...; show more...; Markalous, S; Neuhold, S; Pietsch, R; Pirker, A; Plath, R; Riechert, U; Rossner, M; Seltzer- Grant, ...; Frietsche, R; Geissler, M; Kosse, M; Reuter, M; Hockbruckner, B; Kuchler, A; show less...

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