Measurements of gas pressure in voids in epoxy castings for high voltage equipment

Esben Larsen; Mogens Henriksen; E Nielsen

doi:10.1109/ELINSL.1988.13944

Measurements of gas pressure in voids in epoxy castings for high voltage equipment

Esben Larsen
, Mogens Henriksen
, E Nielsen

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Abstract

An investigation of samples of epoxy each containing one void, which were produced at different pressures, is reported. The samples were of the disk type with the void located in the center. The gas in the voids has a pressure somewhat related to the curing pressure, thereby directly influencing the partial-discharge inception voltage. Data show that gas pressure in voids in epoxy castings can be determined by use of an ultrasound test method. A relationship between the void gas pressure and the epoxy curing pressure is also found. This investigation is part of an effort to predict the inception voltage of partial discharges in high-voltage epoxy castings from the processing parameters

Original language	English
Journal	IEEE International Symposium on Electrical Insulation. Conference Record
Pages (from-to)	372-375
ISSN	0164-2006
DOIs	https://doi.org/10.1109/ELINSL.1988.13944
Publication status	Published - 1988
Event	1988 IEEE International Symposium on Electrical Insulation - Boston, MA, United States Duration: 5 Jun 1988 → 8 Jun 1988 http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=746

Conference

Conference	1988 IEEE International Symposium on Electrical Insulation
Country/Territory	United States
City	Boston, MA
Period	05/06/1988 → 08/06/1988
Internet address	http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=746

Bibliographical note

Copyright: 1988 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{3bb580fb64d147b1bf83dd6cadede1d8,

title = "Measurements of gas pressure in voids in epoxy castings for high voltage equipment",

abstract = "An investigation of samples of epoxy each containing one void, which were produced at different pressures, is reported. The samples were of the disk type with the void located in the center. The gas in the voids has a pressure somewhat related to the curing pressure, thereby directly influencing the partial-discharge inception voltage. Data show that gas pressure in voids in epoxy castings can be determined by use of an ultrasound test method. A relationship between the void gas pressure and the epoxy curing pressure is also found. This investigation is part of an effort to predict the inception voltage of partial discharges in high-voltage epoxy castings from the processing parameters",

author = "Esben Larsen and Mogens Henriksen and E Nielsen",

note = "Copyright: 1988 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; 1988 IEEE International Symposium on Electrical Insulation ; Conference date: 05-06-1988 Through 08-06-1988",

year = "1988",

doi = "10.1109/ELINSL.1988.13944",

language = "English",

pages = "372--375",

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

issn = "0164-2006",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

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T1 - Measurements of gas pressure in voids in epoxy castings for high voltage equipment

AU - Larsen, Esben

AU - Henriksen, Mogens

AU - Nielsen, E

N1 - Copyright: 1988 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 - 1988

Y1 - 1988

N2 - An investigation of samples of epoxy each containing one void, which were produced at different pressures, is reported. The samples were of the disk type with the void located in the center. The gas in the voids has a pressure somewhat related to the curing pressure, thereby directly influencing the partial-discharge inception voltage. Data show that gas pressure in voids in epoxy castings can be determined by use of an ultrasound test method. A relationship between the void gas pressure and the epoxy curing pressure is also found. This investigation is part of an effort to predict the inception voltage of partial discharges in high-voltage epoxy castings from the processing parameters

AB - An investigation of samples of epoxy each containing one void, which were produced at different pressures, is reported. The samples were of the disk type with the void located in the center. The gas in the voids has a pressure somewhat related to the curing pressure, thereby directly influencing the partial-discharge inception voltage. Data show that gas pressure in voids in epoxy castings can be determined by use of an ultrasound test method. A relationship between the void gas pressure and the epoxy curing pressure is also found. This investigation is part of an effort to predict the inception voltage of partial discharges in high-voltage epoxy castings from the processing parameters

U2 - 10.1109/ELINSL.1988.13944

DO - 10.1109/ELINSL.1988.13944

M3 - Conference article

SN - 0164-2006

SP - 372

EP - 375

JO - IEEE International Symposium on Electrical Insulation. Conference Record

JF - IEEE International Symposium on Electrical Insulation. Conference Record

T2 - 1988 IEEE International Symposium on Electrical Insulation

Y2 - 5 June 1988 through 8 June 1988

ER -

Measurements of gas pressure in voids in epoxy castings for high voltage equipment

Abstract

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