Identification and separation of two concurrent partial discharge phenomena

Author

Cacciari, M. ; Contin, A. ; Mazzanti, G. ; Montanari, G.C.

Author_Institution

Parma Univ., Italy

Volume

2

fYear

1996

fDate

20-23 Oct 1996

Firstpage

476

Abstract

The problem of identification and separation of two Partial Discharge (PD) phenomena simultaneously active has been investigated. Combined PD phenomena, caused by different PD mechanisms, are separated by means of a stochastic procedure based on the mixed Weibull function applied to pulse height distributions. The results are compared with those derived from PD measurements performed on the electrode configurations that produce a single PD mechanism at a time. It is shown that inference of Weibull function parameters can be useful for PD phenomena identification

Keywords

Weibull distribution; corona; electrodes; insulation testing; partial discharges; stochastic processes; surface discharges; PD phenomena identification; Weibull function parameters; concurrent partial discharge phenomena; electrode configurations; mixed Weibull function; pulse height distributions; stochastic procedure; Corona; Dielectric measurements; Electrodes; Fault location; Insulation; Partial discharges; Performance evaluation; Stochastic processes; Surface discharges; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical Insulation and Dielectric Phenomena, 1996., IEEE 1996 Annual Report of the Conference on

Conference_Location

Millbrae, CA

Print_ISBN

0-7803-3580-5

Type

conf

DOI

10.1109/CEIDP.1996.564513

Filename

564513