| Item type |
itemtype_ver1(1) |
| 公開日 |
2023-02-07 |
| タイトル |
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タイトル |
Electric Field Grading and Discharge Inception Voltage Improvement on HVDC GIS/GIL Spacer With Permittivity and Conductivity Graded Materials (ε/σ-FGM) |
|
言語 |
en |
| 著者 |
Rachmawati
Kojima, Hiroki
Kato, Katsumi
Zebouchi, Nabila
Hayakawa, Naoki
|
| アクセス権 |
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アクセス権 |
open access |
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アクセス権URI |
http://purl.org/coar/access_right/c_abf2 |
| 権利 |
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|
言語 |
en |
|
権利情報 |
© 2022 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.” |
| 内容記述 |
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内容記述タイプ |
Abstract |
|
内容記述 |
Functionally graded materials (FGM) application with graded permittivity and conductivity is promising as an effective technique for electric field relaxation in SF6 gas around HVDC gas insulated switchgear (GIS)/gas insulated transmission line (GIL) spacers. To approach the practical application of FGM to HVDC GIS/GIL spacers, this article investigates the electric field reduction effect given by permittivity and conductivity graded materials ( ε/σ -FGM) based on actual measured permittivity ( ε ) characteristics of SrTiO3-filled epoxy composites and conductivity ( σ ) characteristics of SiC-filled epoxy composites. In addition, theoretical discharge inception voltage (TDIV) of ε/σ -FGM spacer is calculated under standard lightning impulse (LI) voltage based on the volume–time theory. The results show that the ε/σ -FGM spacer with grading to lower permittivity (GLP) ( εr from 12.7 to 4) containing 0–26.9-vol% SrTiO3-filled epoxy composite and U-shaped graded conductivity containing 5–10-vol% SiC-filled epoxy composite is effective for electric field relaxation under DC steady state (DC-SS) and LI voltage where both resistive and capacitive fields present. It is attributed to the higher ε and σ of FGM spacer near the HV conductor/spacer interface. TDIV under LI voltage is also estimated to be 26% higher at 0.5 MPa-abs, compared with the conventional spacer without ε/σ grading. |
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言語 |
en |
| 出版者 |
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出版者 |
IEEE |
|
言語 |
en |
| 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 |
| 関連情報 |
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|
関連タイプ |
isVersionOf |
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|
識別子タイプ |
DOI |
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|
関連識別子 |
https://doi.org/10.1109/TDEI.2022.3194489 |
| 収録物識別子 |
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収録物識別子タイプ |
PISSN |
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収録物識別子 |
1070-9878 |
| 書誌情報 |
en : IEEE Transactions on Dielectrics and Electrical Insulation
巻 29,
号 5,
p. 1811-1817,
発行日 2022-10
|
IEEE-TDEI-2022-revised.pdf (1 MB)
