CA2642705A1 - Insulators for transformers - Google Patents
Insulators for transformers Download PDFInfo
- Publication number
- CA2642705A1 CA2642705A1 CA002642705A CA2642705A CA2642705A1 CA 2642705 A1 CA2642705 A1 CA 2642705A1 CA 002642705 A CA002642705 A CA 002642705A CA 2642705 A CA2642705 A CA 2642705A CA 2642705 A1 CA2642705 A1 CA 2642705A1
- Authority
- CA
- Canada
- Prior art keywords
- acid
- molar parts
- lcp
- spacers
- spacer element
- 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.)
- Abandoned
Links
- 239000012212 insulator Substances 0.000 title abstract description 9
- 229920000106 Liquid crystal polymer Polymers 0.000 claims abstract description 47
- 125000006850 spacer group Chemical group 0.000 claims description 107
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 42
- FJKROLUGYXJWQN-UHFFFAOYSA-N 4-hydroxybenzoic acid Chemical compound OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 claims description 32
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 21
- RXOHFPCZGPKIRD-UHFFFAOYSA-N naphthalene-2,6-dicarboxylic acid Chemical compound C1=C(C(O)=O)C=CC2=CC(C(=O)O)=CC=C21 RXOHFPCZGPKIRD-UHFFFAOYSA-N 0.000 claims description 20
- 238000002844 melting Methods 0.000 claims description 19
- 230000008018 melting Effects 0.000 claims description 19
- 229940090248 4-hydroxybenzoic acid Drugs 0.000 claims description 16
- 238000001746 injection moulding Methods 0.000 claims description 7
- 229920000728 polyester Polymers 0.000 claims description 7
- VCCBEIPGXKNHFW-UHFFFAOYSA-N biphenyl-4,4'-diol Chemical compound C1=CC(O)=CC=C1C1=CC=C(O)C=C1 VCCBEIPGXKNHFW-UHFFFAOYSA-N 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 description 21
- 238000004804 winding Methods 0.000 description 19
- 239000000203 mixture Substances 0.000 description 15
- 239000011521 glass Substances 0.000 description 11
- 229920000642 polymer Polymers 0.000 description 10
- 239000000945 filler Substances 0.000 description 9
- 239000003365 glass fiber Substances 0.000 description 8
- 229920003235 aromatic polyamide Polymers 0.000 description 6
- 229920002678 cellulose Polymers 0.000 description 6
- 239000001913 cellulose Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 239000012744 reinforcing agent Substances 0.000 description 5
- 239000004593 Epoxy Substances 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 229920001187 thermosetting polymer Polymers 0.000 description 4
- 229920003043 Cellulose fiber Polymers 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000004760 aramid Substances 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 3
- 239000003063 flame retardant Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920001169 thermoplastic Polymers 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000454 talc Substances 0.000 description 2
- 229910052623 talc Inorganic materials 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000576 Laminated steel Inorganic materials 0.000 description 1
- 229920000784 Nomex Polymers 0.000 description 1
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- 239000001175 calcium sulphate Substances 0.000 description 1
- 235000011132 calcium sulphate Nutrition 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- -1 clays Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 238000007765 extrusion coating Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000005337 ground glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 125000005647 linker group Chemical group 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000004763 nomex Substances 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- 235000012771 pancakes Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000009747 press moulding Methods 0.000 description 1
- 239000012763 reinforcing filler Substances 0.000 description 1
- 239000005361 soda-lime glass Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 238000010104 thermoplastic forming Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/12—Insulating of windings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/60—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from the reaction of a mixture of hydroxy carboxylic acids, polycarboxylic acids and polyhydroxy compounds
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/40—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes epoxy resins
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/42—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes polyesters; polyethers; polyacetals
- H01B3/421—Polyesters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2871—Pancake coils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/12—Insulating of windings
- H01F41/125—Other insulating structures; Insulating between coil and core, between different winding sections, around the coil
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/322—Insulating of coils, windings, or parts thereof the insulation forming channels for circulation of the fluid
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Insulating Of Coils (AREA)
- Organic Insulating Materials (AREA)
- Coils Or Transformers For Communication (AREA)
- Polyesters Or Polycarbonates (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US78471806P | 2006-03-22 | 2006-03-22 | |
| US60/784,718 | 2006-03-22 | ||
| PCT/US2007/006938 WO2007111889A1 (en) | 2006-03-22 | 2007-03-20 | Insulators for transformers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2642705A1 true CA2642705A1 (en) | 2007-10-04 |
Family
ID=38324157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002642705A Abandoned CA2642705A1 (en) | 2006-03-22 | 2007-03-20 | Insulators for transformers |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20080061919A1 (enExample) |
| EP (1) | EP1997118A1 (enExample) |
| JP (1) | JP2009530860A (enExample) |
| KR (1) | KR20080103582A (enExample) |
| CN (1) | CN101405820B (enExample) |
| BR (1) | BRPI0709356B8 (enExample) |
| CA (1) | CA2642705A1 (enExample) |
| MX (1) | MX2008012010A (enExample) |
| WO (1) | WO2007111889A1 (enExample) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080248283A1 (en) * | 2007-04-05 | 2008-10-09 | Golner Thomas M | Expanded polymer material for cryogenic applications apparatus and method |
| KR100927685B1 (ko) * | 2008-09-01 | 2009-11-20 | 제룡산업 주식회사 | 지중 매설형 고형 절연 변압기의 제조방법 |
| CA2811262C (en) | 2009-09-14 | 2016-06-21 | Roger Faulkner | Underground modular high-voltage direct current electric power transmission system |
| KR20120004782A (ko) * | 2010-07-07 | 2012-01-13 | 삼성정밀화학 주식회사 | 전기절연 특성이 향상된 전방향족 액정 폴리에스테르 수지 컴파운드 |
| DE102011115888A1 (de) * | 2011-10-14 | 2013-04-18 | Doceram Gmbh | Abstandshalter |
| CN103579927B (zh) * | 2012-07-18 | 2017-02-22 | 上海宝钢工业技术服务有限公司 | 大型变压器线圈内径侧无损检修方法 |
| US20140145667A1 (en) * | 2012-11-29 | 2014-05-29 | Phasetronics, Inc. | Resin-encapsulated current limiting reactor |
| HUE043610T2 (hu) * | 2012-12-19 | 2019-08-28 | Abb Schweiz Ag | Transzformátor-szigetelés |
| US20140361861A1 (en) * | 2013-06-11 | 2014-12-11 | Abb Technology Ag | Radial Drop Winding For Open-Wound Medium Voltage Dry Type Transformers |
| US9214273B2 (en) * | 2013-06-11 | 2015-12-15 | Abb Technology Ag | Radial drop winding for open-wound medium voltage dry type transformers with improved support structure |
| CN204117812U (zh) * | 2014-07-25 | 2015-01-21 | 海鸿电气有限公司 | 一种敞开式立体卷铁心干式变压器的线圈结构 |
| WO2016071757A2 (en) * | 2014-11-04 | 2016-05-12 | Rudi Velthuis | Transformer spacers |
| EP3216033A4 (en) * | 2014-11-04 | 2018-06-13 | ABB Schweiz AG | Electrical transformer systems and methods |
| JP2016167528A (ja) * | 2015-03-10 | 2016-09-15 | 株式会社日立製作所 | 静止誘導電器及びその製造方法 |
| CN107112122B (zh) * | 2015-05-15 | 2018-11-30 | 富士电机株式会社 | 绕组部件的冷却构造 |
| EP3901974B1 (en) * | 2020-04-20 | 2024-07-24 | Hitachi Energy Ltd | Component and method for manufacturing insulating spacers |
| KR102833398B1 (ko) * | 2024-12-04 | 2025-07-11 | 주식회사 엠제이인더스트리 | 변압기 권선용 절연구조 제조방법 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1159770A (en) * | 1914-12-26 | 1915-11-09 | Gen Electric | Coil construction. |
| US2201005A (en) * | 1938-05-06 | 1940-05-14 | Westinghouse Electric & Mfg Co | Spacer for transformer coils |
| US2756397A (en) * | 1952-07-25 | 1956-07-24 | Gen Electric | Transformer |
| US2783441A (en) * | 1952-07-25 | 1957-02-26 | Gen Electric | Transformer |
| US2783411A (en) * | 1955-12-09 | 1957-02-26 | Elox Corp | Servo feed for multiple electrodes |
| PH15509A (en) * | 1974-05-10 | 1983-02-03 | Du Pont | Improvements in an relating to synthetic polyesters |
| US4173747A (en) * | 1978-06-08 | 1979-11-06 | Westinghouse Electric Corp. | Insulation structures for electrical inductive apparatus |
| JPH02270306A (ja) * | 1989-04-11 | 1990-11-05 | Osami Tsukamoto | 超電導コイル用スペーサ |
| JPH0395906A (ja) * | 1989-09-08 | 1991-04-22 | Nippon Petrochem Co Ltd | プラスチック製コイルボビン |
| JP2000517480A (ja) * | 1996-09-04 | 2000-12-26 | イー・アイ・デュポン・ドゥ・ヌムール・アンド・カンパニー | 乾式型高圧巻線 |
| JP3422252B2 (ja) * | 1998-04-22 | 2003-06-30 | 株式会社日立製作所 | 高電圧トランスおよびそれを用いた点火トランス |
| TW403917B (en) * | 1998-05-08 | 2000-09-01 | Koninkl Philips Electronics Nv | Inductive element |
| CN1138287C (zh) * | 1999-06-01 | 2004-02-11 | 李竑一 | 扩张振模的多输出复合结构压电变压器 |
| US6709615B2 (en) * | 2001-03-14 | 2004-03-23 | Square D Company | Method of manufacturing a comb for winding coils of a disk wound transformer |
| US6859130B2 (en) * | 2001-10-24 | 2005-02-22 | Matsushita Electric Industrial Co., Ltd. | Low-profile transformer and method of manufacturing the transformer |
| US6933824B2 (en) * | 2003-02-05 | 2005-08-23 | Mcgraw-Edison Company | Polymer sheet core and coil insulation for transformers |
| JP4153368B2 (ja) * | 2003-06-04 | 2008-09-24 | 株式会社タムラ製作所 | リアクター |
-
2007
- 2007-03-06 US US11/714,758 patent/US20080061919A1/en not_active Abandoned
- 2007-03-20 KR KR1020087023420A patent/KR20080103582A/ko not_active Withdrawn
- 2007-03-20 CN CN2007800098489A patent/CN101405820B/zh active Active
- 2007-03-20 WO PCT/US2007/006938 patent/WO2007111889A1/en not_active Ceased
- 2007-03-20 CA CA002642705A patent/CA2642705A1/en not_active Abandoned
- 2007-03-20 BR BRPI0709356A patent/BRPI0709356B8/pt active IP Right Grant
- 2007-03-20 JP JP2009501522A patent/JP2009530860A/ja active Pending
- 2007-03-20 MX MX2008012010A patent/MX2008012010A/es unknown
- 2007-03-20 EP EP07753557A patent/EP1997118A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| CN101405820B (zh) | 2011-11-23 |
| EP1997118A1 (en) | 2008-12-03 |
| MX2008012010A (es) | 2008-10-01 |
| CN101405820A (zh) | 2009-04-08 |
| BRPI0709356B1 (pt) | 2018-08-28 |
| JP2009530860A (ja) | 2009-08-27 |
| BRPI0709356A2 (pt) | 2011-07-12 |
| BRPI0709356B8 (pt) | 2023-01-31 |
| WO2007111889A1 (en) | 2007-10-04 |
| US20080061919A1 (en) | 2008-03-13 |
| KR20080103582A (ko) | 2008-11-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20080061919A1 (en) | Insulators for transformers | |
| KR101916272B1 (ko) | 변압기 페이퍼 및 다른 비전도성 변압기 구성요소 | |
| EP1968168B1 (en) | Coil insulator, armature coil insulated by the coil insulator and electrical rotating machine having the armature coil | |
| KR101811110B1 (ko) | 절연 전선 및 그것을 이용한 전기ㆍ전자 기기, 모터 및 트랜스 | |
| EP1297540B1 (en) | Electrical apparatus with synthetic fiber and binder reinforced cellulose insulation paper | |
| US9928935B2 (en) | Electrical insulation system | |
| EP2629305B1 (en) | Composite materials for use in high voltage devices | |
| US10685773B2 (en) | Transformer insulation | |
| KR20120095340A (ko) | 개선된 냉각 특징을 구비한 건식 변압기 | |
| RU2010367C1 (ru) | Пропиточный состав | |
| KR20240058190A (ko) | 절연 전도체 및 제조 방법 | |
| WO2022165301A1 (en) | Magnet wire with high partial discharge inception voltage (pdiv) | |
| Ferrito et al. | High temperature reinforced cellulose insulation for use in electrical applications | |
| Rehder et al. | Corona deterioration reduction in large electrical machine insulation | |
| Andersson et al. | Evaluation of a new development in HV insulation for large machines | |
| EP0387994A2 (en) | High temperature transformers | |
| EP1764807A1 (en) | Liquid immersed electrical transformer | |
| CN120895379A (zh) | 200kV高绝缘等级超紧凑油浸式升压变压器 | |
| CN116190073A (zh) | 110kV三相组合式干式变压器的绝缘结构及变压器 | |
| Pendergrass et al. | Cast Coil Transformers: An Alternative to Conventional Dry Type Transformers | |
| CS276545B6 (sk) | Viacvrstvový plošný Izolant teplotnej triedy F na báze sl’udového papiera |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |
Effective date: 20130320 |