JP2022530848A - ポスト碍子及び直流送電装置 - Google Patents
ポスト碍子及び直流送電装置 Download PDFInfo
- Publication number
- JP2022530848A JP2022530848A JP2021549161A JP2021549161A JP2022530848A JP 2022530848 A JP2022530848 A JP 2022530848A JP 2021549161 A JP2021549161 A JP 2021549161A JP 2021549161 A JP2021549161 A JP 2021549161A JP 2022530848 A JP2022530848 A JP 2022530848A
- Authority
- JP
- Japan
- Prior art keywords
- post
- charge control
- insulating
- control ring
- pressure equalizing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000012212 insulator Substances 0.000 title claims abstract description 54
- 230000005540 biological transmission Effects 0.000 title claims description 63
- 229910052751 metal Inorganic materials 0.000 claims description 63
- 239000002184 metal Substances 0.000 claims description 63
- 239000000463 material Substances 0.000 claims description 40
- 239000007789 gas Substances 0.000 claims description 31
- 238000003860 storage Methods 0.000 claims description 20
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 18
- 230000003746 surface roughness Effects 0.000 claims description 16
- 229910018503 SF6 Inorganic materials 0.000 claims description 14
- 239000003822 epoxy resin Substances 0.000 claims description 14
- 229920000647 polyepoxide Polymers 0.000 claims description 14
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 claims description 14
- 229960000909 sulfur hexafluoride Drugs 0.000 claims description 14
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- 239000000919 ceramic Substances 0.000 claims description 11
- 229910052573 porcelain Inorganic materials 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 9
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 9
- 229910000838 Al alloy Inorganic materials 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 5
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 5
- 238000010586 diagram Methods 0.000 abstract description 3
- 230000005684 electric field Effects 0.000 description 60
- 239000013618 particulate matter Substances 0.000 description 56
- 238000009413 insulation Methods 0.000 description 24
- 239000012535 impurity Substances 0.000 description 22
- 150000002739 metals Chemical class 0.000 description 18
- 150000002500 ions Chemical class 0.000 description 16
- 239000002131 composite material Substances 0.000 description 14
- 239000002245 particle Substances 0.000 description 14
- 239000000306 component Substances 0.000 description 10
- 238000007796 conventional method Methods 0.000 description 6
- 238000009826 distribution Methods 0.000 description 6
- 239000008187 granular material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000000859 sublimation Methods 0.000 description 6
- 230000008022 sublimation Effects 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 125000002066 L-histidyl group Chemical group [H]N1C([H])=NC(C([H])([H])[C@](C(=O)[*])([H])N([H])[H])=C1[H] 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 239000008358 core component Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical class C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/14—Supporting insulators
- H01B17/145—Insulators, poles, handles, or the like in electric fences
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/14—Supporting insulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/32—Single insulators consisting of two or more dissimilar insulating bodies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/42—Means for obtaining improved distribution of voltage; Protection against arc discharges
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/50—Insulators or insulating bodies characterised by their form with surfaces specially treated for preserving insulating properties, e.g. for protection against moisture, dirt, or the like
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
- H02G5/063—Totally-enclosed installations, e.g. in metal casings filled with oil or gas
- H02G5/065—Particle traps
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/36—Arrangements for transfer of electric power between ac networks via a high-tension dc link
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Insulators (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
- Electric Cable Installation (AREA)
- Motor Or Generator Frames (AREA)
Abstract
Description
本出願は、2020年04月02日に出願された、出願番号が202010256071.3である中国特許出願を基礎とする優先権を主張し、その内容の全てが参照によって本出願に組み込まれる。
本出願は、2020年04月02日に出願された、出願番号が202010256071.3である中国特許出願を基礎とする優先権を主張し、その内容の全てが参照によって本出願に組み込まれる。
Claims (12)
- 対向する第1の端部と第2の端部を有する絶縁ポストと、
前記絶縁ポストの第1の端部に接続され、かつ前記絶縁ポストと絶縁される高圧側均圧環と、
前記絶縁ポストの第2の端部に接続され、かつ前記絶縁ポストと絶縁される接地側均圧環と、
前記絶縁ポストの外表面に設けられ、前記絶縁ポストと絶縁され、表面電荷を蓄積するように構成される電荷制御リングと、を有するポスト碍子。 - 前記電荷制御リングは、その表面電荷蓄積能力が前記絶縁ポストの表面電荷蓄積能力より強くなるように構成される、請求項1に記載のポスト碍子。
- 前記絶縁ポストの軸方向に沿った、前記電荷制御リングと前記高圧側均圧環との間の距離は、前記電荷制御リングと前記接地側均圧環との間の距離よりも大きい、請求項1~2のいずれか1項に記載のポスト碍子。
- 前記電荷制御リングの材料は、イオンドープにより改質された窒化ケイ素、イオンドープにより改質されたアルミナ、イオンドープにより改質されたジルコニア及び表面改質されたエポキシ樹脂のうちの少なくとも1つを含む、請求項1~3のいずれか1項に記載のポスト碍子。
- 前記絶縁ポストの軸方向に沿った、前記電荷制御リングの寸法は約20mm~30mmである、請求項1~4のいずれか1項に記載のポスト碍子。
- 前記絶縁ポストの径方向に沿った、前記電荷制御リングの寸法は約5mm~10mmである、請求項1~5のいずれか1項に記載のポスト碍子。
- 前記電荷制御リングは、前記絶縁ポストと同軸の環状突起である、請求項1~6のいずれか1項に記載のポスト碍子。
- 前記電荷制御リングの表面粗さは、前記絶縁ポストの表面粗さよりも小さい、請求項1~7のいずれか1項に記載のポスト碍子。
- 前記高圧側均圧環の材料は、銅、アルミニウム、銅合金及びアルミニウム合金のうちの少なくとも1つを含み、及び/又は、
前記接地側均圧環の材料は、銅、アルミニウム、銅合金及びアルミニウム合金のうちの少なくとも1つを含む、請求項1~8のいずれか1項に記載のポスト碍子。 - 前記絶縁ポストの材料は、エポキシ樹脂及びセラミックのうちの少なくとも1つを含む、請求項1~9のいずれか1項に記載のポスト碍子。
- 内部に閉鎖空間を有する金属ケースと、
金属ケースの閉鎖空間内に設けられる高電圧電流伝導ロッドと、
少なくとも1つの、請求項1~10のいずれ1項に記載のポスト碍子であって、高圧側均圧環が前記高電圧電流伝導ロッドに接続され、接地側均圧環が前記金属ケースに接続されるポスト碍子と、
閉鎖空間内に充填された絶縁ガスと、を備える直流送電装置。 - 前記絶縁ガスは、六フッ化硫黄ガス、又は六フッ化硫黄ガスと窒素ガスとの混合ガスを含む、請求項11に記載の直流送電装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010256071.3 | 2020-04-02 | ||
CN202010256071.3A CN111403128B (zh) | 2020-04-02 | 2020-04-02 | 一种用于直流输电的支柱绝缘子及直流输电设备 |
PCT/CN2020/120849 WO2021196562A1 (zh) | 2020-04-02 | 2020-10-14 | 支柱绝缘子及直流输电设备 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022530848A true JP2022530848A (ja) | 2022-07-04 |
JP7232930B2 JP7232930B2 (ja) | 2023-03-03 |
Family
ID=71431451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021549161A Active JP7232930B2 (ja) | 2020-04-02 | 2020-10-14 | ポスト碍子及び直流送電装置 |
Country Status (9)
Country | Link |
---|---|
US (1) | US11791068B2 (ja) |
EP (1) | EP4131689A4 (ja) |
JP (1) | JP7232930B2 (ja) |
KR (1) | KR102621788B1 (ja) |
CN (1) | CN111403128B (ja) |
AU (1) | AU2020429373B2 (ja) |
BR (1) | BR112021007125A2 (ja) |
CA (1) | CA3130797A1 (ja) |
WO (1) | WO2021196562A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111403128B (zh) * | 2020-04-02 | 2021-10-08 | 国家电网有限公司 | 一种用于直流输电的支柱绝缘子及直流输电设备 |
CN112670041B (zh) * | 2020-11-20 | 2022-09-02 | 华北电力大学 | 一种用于气体绝缘高压电气设备的陶瓷支柱绝缘子组件 |
CN112670040B (zh) * | 2020-11-20 | 2022-09-09 | 华北电力大学 | 一种用于气体绝缘高压电气设备的陶瓷支柱绝缘子 |
CN112711823A (zh) * | 2020-12-09 | 2021-04-27 | 国网宁夏电力有限公司检修公司 | 特高压套管支撑绝缘子的表面电荷计算的方法及优化方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5514288U (ja) * | 1978-07-17 | 1980-01-29 | ||
JPH05234441A (ja) * | 1992-02-25 | 1993-09-10 | Toshiba Corp | 支持碍子 |
JPH11154434A (ja) * | 1997-09-17 | 1999-06-08 | Mac Lean Fogg Co | 改良型複合碍子 |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2732423A (en) * | 1956-01-24 | morrison | ||
US3801725A (en) * | 1972-11-14 | 1974-04-02 | Westinghouse Electric Corp | Spacer construction for fluid-insulated transmission lines |
JPS5710482Y2 (ja) | 1977-01-13 | 1982-03-01 | ||
SU819824A1 (ru) | 1979-04-03 | 1981-04-07 | Предприятие П/Я Г-4316 | Опорный изол тор |
US4330682A (en) * | 1980-11-14 | 1982-05-18 | The United States Of America As Represented By The Department Of Energy | Hybrid particle traps and conditioning procedure for gas insulated transmission lines |
CH662901A5 (de) | 1983-03-09 | 1987-10-30 | Daetwyler Ag | Verfahren zur herstellung eines elektrischen kunststoffisolators und nach dem verfahren hergestellter kunststoffisolator. |
CN85102947B (zh) * | 1985-04-18 | 1987-06-17 | 株式会社日立制作所 | 气体绝缘电气设备及其装配方法 |
RU29402U1 (ru) | 2002-11-13 | 2003-05-10 | Государственное унитарное предприятие "Всероссийский электротехнический институт им. В.И. Ленина" | Опорный стержневой изолятор |
US7002079B2 (en) * | 2003-08-14 | 2006-02-21 | Electric Power Research Institute | Indicators for early detection of potential failures due to water exposure of polymer-clad fiberglass |
WO2008053585A1 (fr) | 2006-10-31 | 2008-05-08 | Mitsubishi Electric Corporation | Dispositif électrique d'isolation de gaz |
RU71828U1 (ru) | 2007-11-09 | 2008-03-20 | Общество с ограниченной ответственностью "СПЕЦАВТОМАТИКАСЕРВИС" | Моноблок с опорными изоляторами для крепления проводов и/или оптических кабелей на стойке опоры линии электропередач (варианты) |
CN101409120B (zh) * | 2008-11-20 | 2011-09-14 | 武汉市德赛电力设备有限公司 | 一种能提高外绝缘电气强度的绝缘子 |
CN201413748Y (zh) | 2009-03-27 | 2010-02-24 | 抚顺电瓷制造有限公司 | 特高压户外棒形瓷支柱绝缘子 |
CN201707980U (zh) | 2009-09-10 | 2011-01-12 | 日新电机株式会社 | 高压用导体支撑装置 |
CN101718824B (zh) | 2009-12-07 | 2012-07-18 | 中国电力科学研究院 | 一种用于特高压交直流气体绝缘金属封闭输电线路试验装置 |
CN103123833B (zh) * | 2013-02-05 | 2015-07-22 | 宜兴市溢洋墨根材料有限公司 | 一种超高压电网用垂悬式复合绝缘子 |
US9929545B2 (en) | 2013-09-06 | 2018-03-27 | Mitsubishi Electric Corporation | Insulating support for power switchgear |
CN203632160U (zh) | 2013-10-09 | 2014-06-04 | 中国西电电气股份有限公司 | 气体绝缘金属封闭母线 |
CN103545059B (zh) * | 2013-10-29 | 2016-09-21 | 国家电网公司 | 一种能降低雷击闪络事故的绝缘子 |
CN103915227B (zh) * | 2014-04-14 | 2016-08-17 | 国家电网公司 | 一种±660kV直流复合绝缘子 |
CN204290123U (zh) | 2014-09-10 | 2015-04-22 | 国家电网公司 | 新型三柱式绝缘装置 |
EP3096426A1 (en) | 2015-05-22 | 2016-11-23 | ABB Technology AG | A high-voltage insulator for use in a metallic enclosure filled with an insulating gas and arrangement comprising the high-voltage insulator |
CN105268556A (zh) * | 2015-07-10 | 2016-01-27 | 赵永川 | 一种电除尘电场阴极结构及其电除尘装置 |
CN105149096A (zh) * | 2015-08-18 | 2015-12-16 | 华北电力大学 | 一种用于直流气体绝缘输电线路的金属微粒捕捉器 |
US9728289B1 (en) * | 2016-03-22 | 2017-08-08 | Oscar S. Poggi | Passive radiation shield |
CN106054049B (zh) * | 2016-06-17 | 2018-10-23 | 华北电力大学 | 一种表面积污导线、可控的导线表面积污的方法及系统 |
CN110729684B (zh) * | 2019-10-31 | 2020-10-27 | 西安交通大学 | 一种超/特高压sf6气体绝缘穿墙套管及其绝缘支撑结构 |
CN111403128B (zh) | 2020-04-02 | 2021-10-08 | 国家电网有限公司 | 一种用于直流输电的支柱绝缘子及直流输电设备 |
-
2020
- 2020-04-02 CN CN202010256071.3A patent/CN111403128B/zh active Active
- 2020-10-14 WO PCT/CN2020/120849 patent/WO2021196562A1/zh unknown
- 2020-10-14 AU AU2020429373A patent/AU2020429373B2/en active Active
- 2020-10-14 JP JP2021549161A patent/JP7232930B2/ja active Active
- 2020-10-14 BR BR112021007125A patent/BR112021007125A2/pt unknown
- 2020-10-14 US US17/424,335 patent/US11791068B2/en active Active
- 2020-10-14 EP EP20878028.8A patent/EP4131689A4/en active Pending
- 2020-10-14 CA CA3130797A patent/CA3130797A1/en active Pending
- 2020-10-14 KR KR1020217039579A patent/KR102621788B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5514288U (ja) * | 1978-07-17 | 1980-01-29 | ||
JPH05234441A (ja) * | 1992-02-25 | 1993-09-10 | Toshiba Corp | 支持碍子 |
JPH11154434A (ja) * | 1997-09-17 | 1999-06-08 | Mac Lean Fogg Co | 改良型複合碍子 |
Also Published As
Publication number | Publication date |
---|---|
JP7232930B2 (ja) | 2023-03-03 |
CA3130797A1 (en) | 2021-10-02 |
EP4131689A4 (en) | 2024-04-10 |
AU2020429373B2 (en) | 2023-02-23 |
AU2020429373A1 (en) | 2021-10-21 |
CN111403128B (zh) | 2021-10-08 |
US11791068B2 (en) | 2023-10-17 |
KR102621788B1 (ko) | 2024-01-08 |
CN111403128A (zh) | 2020-07-10 |
WO2021196562A1 (zh) | 2021-10-07 |
US20220310288A1 (en) | 2022-09-29 |
EP4131689A1 (en) | 2023-02-08 |
KR20220003610A (ko) | 2022-01-10 |
BR112021007125A2 (pt) | 2022-10-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2022530848A (ja) | ポスト碍子及び直流送電装置 | |
US3895176A (en) | Coaxial conductor with trap for removing particles from fluid insulation | |
US20130100574A1 (en) | Vacuum variable capacitor | |
JP5117987B2 (ja) | ガス絶縁開閉装置 | |
JP4177628B2 (ja) | 複合絶縁方式ガス絶縁開閉装置 | |
JP2023543238A (ja) | 高電圧装置、及び、高電圧装置における絶縁耐力を増大させるための方法 | |
JPH04229512A (ja) | 絶縁体 | |
EP1103988A2 (en) | SEmi-capacitance graded bushing insulator of the type with insulating gas filling, such as SF6 | |
US20230377778A1 (en) | Coated conductor in a high-voltage device and method for increasing the dielectric strength | |
RU2779033C1 (ru) | Опорный изолятор и устройство передачи мощности постоянного тока | |
US11070039B2 (en) | Insulation spacer and gas insulation shutoff apparatus using the insulation spacer | |
Ghoneim et al. | Investigation of insulating oils in presence of impurities | |
Xiao et al. | Insulation characteristics of sulfur hexafluoride (SF 6) | |
KR100512651B1 (ko) | 진공 갭 스위치 | |
KR200496186Y1 (ko) | 가스 절연 개폐 장치 | |
JPS61171021A (ja) | ガス吹付け遮断器 | |
Zhang et al. | Influence of impulse wave front time on flashover characteristics of coaxial bus line of 220kV GIS | |
JPH0145685B2 (ja) | ||
JPH03251014A (ja) | ガス絶縁母線 | |
Ming et al. | Behaviour and effect of conducting spiral particles under AC voltage in a gas insulated electrode system | |
Gerhold | Design criteria for high voltage leads for superconducting power systems | |
Zhang et al. | A novel nonlinear coating for suppression of metallic particle motion in GIS | |
He et al. | Research on Characteristics of Partial Discharge and Movement of Conductive Particles in GIS: High Voltage and Insulation Technology | |
Du et al. | Polarity Reversal and Over Voltage Affecting Discharge Inception of Tri-Post Insulator in DC-GIL | |
JPH04249815A (ja) | 避雷碍子 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20210818 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20210818 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20221101 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230113 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20230131 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20230220 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7232930 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |