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However, if spacer  surface is involved in PD activity, charge accumulation process greatly affects the time  transition of PD characteristics. This paper investigates this effect considering the  defect types of delamination at the electrode/spacer interface and metallic particles  adhered to the spacer surface as the most serious defects that can lead to major failure.  Two different electrode configurations were built to simulate the two defect types. The  PD characteristics were measured and analyzed from immediately after voltage  application up to several minutes where steady state characteristics have been obtained.  As a result, it was found that the generation rate of PD pulses changed considerably  with time for both defect types. This tendency of PD characteristics has been discussed  considering the effect of charge accumulation. 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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

Charge accumulation effects on time transition of partial discharge activity at GIS spacer defects

http://hdl.handle.net/2237/14529
http://hdl.handle.net/2237/14529
10b93bcd-e635-4d09-a80c-c5fe45ba27b0
名前 / ファイル ライセンス アクション
1098.pdf 1098.pdf (1.6 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2011-04-07
タイトル
タイトル Charge accumulation effects on time transition of partial discharge activity at GIS spacer defects
言語 en
著者 Mansour, Diaa-Eldin A

× Mansour, Diaa-Eldin A

WEKO 39747

en Mansour, Diaa-Eldin A

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Nishizawa, Kanako

× Nishizawa, Kanako

WEKO 39748

en Nishizawa, Kanako

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Kojima, Hiroki

× Kojima, Hiroki

WEKO 39749

en Kojima, Hiroki

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Hayakawa, Naoki

× Hayakawa, Naoki

WEKO 39750

en Hayakawa, Naoki

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Endo, Fumihiro

× Endo, Fumihiro

WEKO 39751

en Endo, Fumihiro

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Okubo, Hitoshi

× Okubo, Hitoshi

WEKO 39752

en Okubo, Hitoshi

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 © 2010 IEEE. Reprinted, with permission, from Mansour Diaa-Eldin A; Nishizawa Kanako; Kojima Hiroki; Hayakawa Naoki; Endo Fumihiro; Okubo Hitoshi, Charge accumulation effects on time transition of partial discharge activity at GIS spacer defects, Dielectrics and Electrical Insulation, IEEE Transactions on, Feb/2010
キーワード
主題Scheme Other
主題 Partial discharges
キーワード
主題Scheme Other
主題 charge accumulation
キーワード
主題Scheme Other
主題 spacer
キーワード
主題Scheme Other
主題 gas insulated
キーワード
主題Scheme Other
主題 switchgear
キーワード
主題Scheme Other
主題 delamination gap
キーワード
主題Scheme Other
主題 metallic particle
抄録
内容記述 The partial discharge (PD) measurements are considered as the most important tool for condition monitoring of Gas Insulated Switchgears (GISs). However, if spacer surface is involved in PD activity, charge accumulation process greatly affects the time transition of PD characteristics. This paper investigates this effect considering the defect types of delamination at the electrode/spacer interface and metallic particles adhered to the spacer surface as the most serious defects that can lead to major failure. Two different electrode configurations were built to simulate the two defect types. The PD characteristics were measured and analyzed from immediately after voltage application up to several minutes where steady state characteristics have been obtained. As a result, it was found that the generation rate of PD pulses changed considerably with time for both defect types. This tendency of PD characteristics has been discussed considering the effect of charge accumulation. Comparing these effects for negative and positive PD enabled to clarify the similarities and differences in the charge accumulation effect for both defect types which can contribute to the defect type identification in GIS. It was found that the effects of charge accumulation on the electric field strength for the delamination defect case as well as on the ionization volume for the metallic particle case were the responsible parameters for the different PD tendencies.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 IEEE
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1109/TDEI.2010.5412024
ISSN
収録物識別子タイプ PISSN
収録物識別子 1070-9878
書誌情報 en : Dielectrics and Electrical Insulation, IEEE Transactions on

巻 17, 号 1, p. 247-255, 発行日 2010-02
著者版フラグ
値 author
URI
識別子 http://hdl.handle.net/2237/14529
識別子タイプ HDL
URI
識別子 http://dx.doi.org/10.1109/TDEI.2010.5412024
識別子タイプ DOI
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