Partial discharge patterns and surface deterioration in voids in filled and unfilled epoxy

Joachim Holbøll; Mogens Henriksen

doi:10.1109/ELINSL.1992.246977

Partial discharge patterns and surface deterioration in voids in filled and unfilled epoxy

Joachim Holbøll, Mogens Henriksen

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Abstract

Results are presented from analyses of pulses from partial discharges (PDs) in single spherical voids in filled and unfilled epoxy plastic and related to the observed surface deterioration. The filler types used were dolomite, alumina, and silica. Long-time aging tests including pulse phase/height analyses were performed over a period of 2400 h and showed very characteristic discharge patterns for each material combination. A unique behavior with regard to changes of pulse repetition rate and maximum apparent charge was observed for PD in alumina- and silica-filled epoxy. The void surfaces were investigated by scanning electron microscopy for voids exposed to PD as well as voids without discharges. Different kinds of surface deterioration were found. An attempt was made to establish a relationship between aging phenomena as exhibited by void surface changes and discharge patterns

Original language	English
Journal	I E E E International Symposium on Electrical Insulation. Conference Record
Pages (from-to)	354-358
ISSN	0164-2006
DOIs	https://doi.org/10.1109/ELINSL.1992.246977
Publication status	Published - 1992
Event	1992 IEEE International Symposium on Electrical Insulation - Baltimore, MD, United States Duration: 7 Jun 1992 → 10 Jun 1992 http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=654

Conference

Conference	1992 IEEE International Symposium on Electrical Insulation
Country/Territory	United States
City	Baltimore, MD
Period	07/06/1992 → 10/06/1992
Internet address	http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=654

Bibliographical note

Copyright: 1992 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE

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@inproceedings{ad2eaf66bc324c9ea64c678701535c93,

title = "Partial discharge patterns and surface deterioration in voids in filled and unfilled epoxy",

abstract = "Results are presented from analyses of pulses from partial discharges (PDs) in single spherical voids in filled and unfilled epoxy plastic and related to the observed surface deterioration. The filler types used were dolomite, alumina, and silica. Long-time aging tests including pulse phase/height analyses were performed over a period of 2400 h and showed very characteristic discharge patterns for each material combination. A unique behavior with regard to changes of pulse repetition rate and maximum apparent charge was observed for PD in alumina- and silica-filled epoxy. The void surfaces were investigated by scanning electron microscopy for voids exposed to PD as well as voids without discharges. Different kinds of surface deterioration were found. An attempt was made to establish a relationship between aging phenomena as exhibited by void surface changes and discharge patterns",

author = "Joachim Holb{\o}ll and Mogens Henriksen",

note = "Copyright: 1992 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE; 1992 IEEE International Symposium on Electrical Insulation ; Conference date: 07-06-1992 Through 10-06-1992",

year = "1992",

doi = "10.1109/ELINSL.1992.246977",

language = "English",

pages = "354--358",

journal = "I E E E International Symposium on Electrical Insulation. Conference Record",

issn = "0164-2006",

publisher = "Institute of Electrical and Electronics Engineers",

url = "http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=654",

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TY - GEN

T1 - Partial discharge patterns and surface deterioration in voids in filled and unfilled epoxy

AU - Holbøll, Joachim

AU - Henriksen, Mogens

N1 - Copyright: 1992 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE

PY - 1992

Y1 - 1992

N2 - Results are presented from analyses of pulses from partial discharges (PDs) in single spherical voids in filled and unfilled epoxy plastic and related to the observed surface deterioration. The filler types used were dolomite, alumina, and silica. Long-time aging tests including pulse phase/height analyses were performed over a period of 2400 h and showed very characteristic discharge patterns for each material combination. A unique behavior with regard to changes of pulse repetition rate and maximum apparent charge was observed for PD in alumina- and silica-filled epoxy. The void surfaces were investigated by scanning electron microscopy for voids exposed to PD as well as voids without discharges. Different kinds of surface deterioration were found. An attempt was made to establish a relationship between aging phenomena as exhibited by void surface changes and discharge patterns

AB - Results are presented from analyses of pulses from partial discharges (PDs) in single spherical voids in filled and unfilled epoxy plastic and related to the observed surface deterioration. The filler types used were dolomite, alumina, and silica. Long-time aging tests including pulse phase/height analyses were performed over a period of 2400 h and showed very characteristic discharge patterns for each material combination. A unique behavior with regard to changes of pulse repetition rate and maximum apparent charge was observed for PD in alumina- and silica-filled epoxy. The void surfaces were investigated by scanning electron microscopy for voids exposed to PD as well as voids without discharges. Different kinds of surface deterioration were found. An attempt was made to establish a relationship between aging phenomena as exhibited by void surface changes and discharge patterns

U2 - 10.1109/ELINSL.1992.246977

DO - 10.1109/ELINSL.1992.246977

M3 - Conference article

SP - 354

EP - 358

JO - I E E E International Symposium on Electrical Insulation. Conference Record

JF - I E E E International Symposium on Electrical Insulation. Conference Record

SN - 0164-2006

T2 - 1992 IEEE International Symposium on Electrical Insulation

Y2 - 7 June 1992 through 10 June 1992

ER -

Partial discharge patterns and surface deterioration in voids in filled and unfilled epoxy

Abstract

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