EP2710613A1 - Verfahren zum herstellen eines bandes für ein elektrisches isolationssystem - Google Patents
Verfahren zum herstellen eines bandes für ein elektrisches isolationssystemInfo
- Publication number
- EP2710613A1 EP2710613A1 EP12743938.8A EP12743938A EP2710613A1 EP 2710613 A1 EP2710613 A1 EP 2710613A1 EP 12743938 A EP12743938 A EP 12743938A EP 2710613 A1 EP2710613 A1 EP 2710613A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- resin
- particles
- insulation
- insulation paper
- tape
- 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.)
- Withdrawn
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 238000010292 electrical insulation Methods 0.000 title claims abstract description 7
- 229920005989 resin Polymers 0.000 claims abstract description 57
- 239000011347 resin Substances 0.000 claims abstract description 57
- 238000009413 insulation Methods 0.000 claims abstract description 45
- 239000002245 particle Substances 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 20
- 239000002105 nanoparticle Substances 0.000 claims abstract description 8
- 239000010445 mica Substances 0.000 claims description 14
- 229910052618 mica group Inorganic materials 0.000 claims description 14
- 239000002904 solvent Substances 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 10
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000004020 conductor Substances 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 238000002791 soaking Methods 0.000 claims description 6
- 150000008064 anhydrides Chemical class 0.000 claims description 5
- 229920003986 novolac Polymers 0.000 claims description 5
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 2
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 claims description 2
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- 125000003118 aryl group Chemical group 0.000 claims description 2
- XUCHXOAWJMEFLF-UHFFFAOYSA-N bisphenol F diglycidyl ether Chemical compound C1OC1COC(C=C1)=CC=C1CC(C=C1)=CC=C1OCC1CO1 XUCHXOAWJMEFLF-UHFFFAOYSA-N 0.000 claims description 2
- 229930003836 cresol Natural products 0.000 claims description 2
- 239000003822 epoxy resin Substances 0.000 claims description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 2
- 229910010272 inorganic material Inorganic materials 0.000 claims description 2
- 239000011147 inorganic material Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 239000004848 polyfunctional curative Substances 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
- 238000009738 saturating Methods 0.000 abstract 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 8
- 238000002955 isolation Methods 0.000 description 4
- 239000004408 titanium dioxide Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
Classifications
-
- 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
- H01B3/48—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances fibrous materials
- H01B3/52—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances fibrous materials wood; paper; press board
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/38—Layered products comprising a layer of synthetic resin comprising 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
- H01B3/40—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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/10—Applying solid insulation to windings, stators or rotors, e.g. applying insulating tapes
- H02K15/105—Applying solid insulation to windings, stators or rotors, e.g. applying insulating tapes to the windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/12—Impregnating, moulding insulation, heating or drying of windings, stators, rotors or machines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/30—Windings characterised by the insulating material
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/40—Windings characterised by the shape, form or construction of the insulation for high voltage, e.g. affording protection against corona discharges
Definitions
- the invention relates to a method for producing a strip for an electrical insulation system.
- Electrical machines such as motors and generators, have electrical conductors, an electrical insulation system and a stator core.
- the insulation system is to isolate the end, the Head of against each other, against the stator core and ge ⁇ gen ambient electric.
- cavities may form at the interfaces between the insulation system and the conductor or between the insulation system and the stator lamination package, in which sparks may form due to partial electrical discharges. Due to the sparks, so-called “treeing" channels can form in the insulation. As a result of the "treeing" channels, it can lead to an electric
- the mica is used in the form of platelet-shaped mica particles having a conventional particle size of several 100 microns to several millimeters, the mica particles being processed into a mica paper.
- a tape is used in which the mica paper is adhered with an adhesive to a support structure.
- DE 601 09 422 T2 describes a method for producing an insulation system.
- the problem here is al ⁇ lerdings that the maximum achievable mass fraction of nanoscale particles is low.
- the object of the invention is to provide a method for producing a tape for an insulation system, wherein the partial discharge resistance of the insulation system is high and the life of the insulation system is long.
- the method for producing a strip for an electrical insulation system comprises the steps of: providing a porous insulation paper; Preparing a resin in which nanoscale particles are suspended; Impregnating the insulation paper with the resin, where ⁇ are distributed by the resin and the particles in the insulation paper; Completing the tape.
- the strip produced in this way can advantageously be further processed in a process under pressure, whereby a high mass fraction of the resin based on the insulation system can be achieved. Because of the high mass fraction of the resin is also advantageous a high mass fraction of the nanoparticles be ⁇ attracted to the isolation system achievable, whereby the service life of the insulation system is improved.
- the band preferably has a carrier structure. This advantageously results in a higher strength and a better workability of the tape achieved.
- the insulation paper is a mica paper.
- the resin is preferably an aromatic epoxy resin, in particular BADGE, BFDGE, epoxidized phenol novolaks or epoxidized cresol novolaks, with an anhydride or an amine as hardener.
- the tape preferably has a thickness of 100 ym to 300 ym.
- the particles preferably comprise an inorganic material, in particular titanium dioxide, silicon dioxide and / or aluminum oxide ⁇ .
- the inorganic particles advantageously have a high partial discharge resistance. Further, the particles have before Trains t ⁇ a particle diameter of 1 nm to 50 nm.
- the particles preferably have a specific surface area greater than 25 m 2 / g. The high specific surface area advantageously results in a high partial discharge resistance of the insulation system.
- a solvent is added, in particular 2-butanone, ethanol, butyl acetate or ethyl acetate, so that the viscosity of the resin is lowered. Furthermore, this quantity of heat is supplied Favor ⁇ ate term for impregnating the insulating paper with the resin so that the viscosity of the resin is lowered. That is, in order to further lower the viscosity of the resin is preferably somewhat for impregnating the insulating paper with the resin that the amount of heat supplied ⁇ leads. After soaking the insulation paper be ⁇ vorzugt the solvent from the insulating paper is removed.
- the amount of heat is preferably determined such that the removal of the solvent, the resin is partially crosslinked such that the resin is in a tack-free state before ⁇ and is subsequently curable.
- the two measures namely the addition of solvent or the supply of a quantity of heat to the viscosity reduction, can be advantageously it rich a high concentration of particles in the resin ⁇ so that the insulation system using the tape according to the invention a high mass fraction of the particles be ⁇ subjected to the isolation system has, whereby the insulating system has a high partial discharge resistance.
- the mass ⁇ share of the particles based on the insulation system is according to the invention more than 3%, in particular between 3% and 10%.
- the tape according to the invention for an electric Isolationssys ⁇ system is manufactured with the inventive method.
- the tape of the invention covers an electrical conductor and the insulation system is made by pressing the tape and curing the resin by means of heat.
- a porous mica paper which is provided with a support structure is saturated with a resin which has an epoxidized phenol novolacs and an anhydride as a curing agent on ⁇ , and are suspended in the titanium dioxide particles having a particle diameter of 20 nm ⁇ .
- the solvent ethyl acetate is added to the resin, so that the viscosity of the resin is lowered.
- the viscosity of the resin is heated, whereby the resin is also crosslinked such partially in that it is in a kleb ⁇ condition and is subsequently cured. Further, the solvent is removed after soaking the mica paper from this.
- the tape finished by this method is wound around a conductor.
- the concentration of the titanium dioxide particles in the resin was selected such that the mass fraction of the titanium dioxide particle ⁇ based on the isolation system is 4%.
- a porous mica paper provided with a support structure is impregnated with a resin having BADGE and an anhydride as a curing agent in which silica particles having a particle diameter of 10 nm are suspended.
- the complementary and ⁇ tel ethanol is added, so that the viscosity of the resin is consider ⁇ lowers.
- the solvent is removed from the mica paper by vacuum drying.
- the resin is partially crosslinked by heat so that the resin is in a tack-free state and subsequently cured.
- the tape finished by this method is wound around a conductor. By pressing the strip in a baking press cavities are filled in the winding and between Lei ⁇ ter and winding, with excess resin runs out of the winding. Heat is used to cure the resin and make the insulation system.
- the concentra ⁇ on the silica particles in the resin was selected such that the mass fraction of the silica particles based on the isolation system is 6%.
- a porous mica paper which is provided with a support structure is saturated with a resin having a BADGE and anhydride as a curing agent, and are suspended in the Siliziumdi ⁇ oxide particles having a particle diameter of 10 nm.
- the complementary and ⁇ tel ethanol is added, so that the viscosity of the resin is notes ⁇ lowers.
- the tape is dried by applying heat. Through further heat supply, the resin is so partially wets ver ⁇ that the resin is in a tack-free state and is subsequently cured.
- the tape finished by this method is wound around a conductor.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Nanotechnology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Composite Materials (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Insulating Bodies (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Inorganic Insulating Materials (AREA)
- Organic Insulating Materials (AREA)
- Processes Specially Adapted For Manufacturing Cables (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011079489A DE102011079489A1 (de) | 2011-07-20 | 2011-07-20 | Verfahren zum Herstellen eines Bandes für ein elektrisches Isolationssystem |
| PCT/EP2012/064046 WO2013011047A1 (de) | 2011-07-20 | 2012-07-18 | Verfahren zum herstellen eines bandes für ein elektrisches isolationssystem |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2710613A1 true EP2710613A1 (de) | 2014-03-26 |
Family
ID=46639464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP12743938.8A Withdrawn EP2710613A1 (de) | 2011-07-20 | 2012-07-18 | Verfahren zum herstellen eines bandes für ein elektrisches isolationssystem |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20140138008A1 (de) |
| EP (1) | EP2710613A1 (de) |
| JP (1) | JP5813225B2 (de) |
| KR (1) | KR20140063615A (de) |
| CN (1) | CN103875041A (de) |
| DE (1) | DE102011079489A1 (de) |
| WO (1) | WO2013011047A1 (de) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2762512A1 (de) * | 2013-02-04 | 2014-08-06 | Siemens Aktiengesellschaft | Reaktionsbeschleuniger für eine Copolymerisation, Elektroisolationsband, Elektroisolationskörper und Konsolidierungskörper |
| CN103757977B (zh) * | 2014-01-02 | 2016-06-08 | 雅安兴美云母工业有限责任公司 | 一种无机粉体云母纸及其制备方法和用途 |
| JP6403444B2 (ja) * | 2014-06-06 | 2018-10-10 | 三菱電機株式会社 | マイカテープ及び固定子コイル |
| KR102216407B1 (ko) * | 2014-06-10 | 2021-02-16 | 엘지전자 주식회사 | 세탁기의 제어방법 |
| DE102016203867A1 (de) | 2016-03-09 | 2017-09-14 | Siemens Aktiengesellschaft | Fester Isolationswerkstoff, Verwendung dazu und damit hergestelltes Isolationssystem |
| KR102385771B1 (ko) * | 2016-07-01 | 2022-04-11 | 닛산 가가쿠 가부시키가이샤 | 연면 방전의 발생을 억제하는 방법 |
| US10848027B2 (en) | 2016-11-17 | 2020-11-24 | General Electric Company | Electrical insulation systems and insulated components for electrical machine |
| CN107190566A (zh) * | 2017-04-27 | 2017-09-22 | 广东粤特变压器有限公司 | 一种基于纳米改性聚酰亚胺薄膜的新型热改性绝缘纸制备方法 |
| WO2019130588A1 (ja) * | 2017-12-28 | 2019-07-04 | 日立化成株式会社 | プリプレグマイカテープ、回転電機用コイル及びその製造方法 |
| WO2019130586A1 (ja) * | 2017-12-28 | 2019-07-04 | 日立化成株式会社 | プリプレグマイカテープ、回転電機用コイル及びその製造方法 |
| US11916448B2 (en) | 2021-02-01 | 2024-02-27 | The Timken Company | Small-fraction nanoparticle resin for electric machine insulation systems |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE793219A (fr) * | 1971-12-22 | 1973-06-22 | Westinghouse Electric Corp | Rubans de frettage |
| JPS5253267A (en) * | 1975-12-01 | 1977-04-28 | Tokyo Shibaura Electric Co | Method of manufacturing coil |
| US4603182A (en) * | 1984-10-05 | 1986-07-29 | General Electric Company | Low viscosity epoxy resin compositions |
| US4704322A (en) * | 1986-09-22 | 1987-11-03 | Essex Group, Inc. | Resin rich mica tape |
| DE3824254A1 (de) * | 1988-07-14 | 1990-01-18 | Siemens Ag | Isolierband zur herstellung einer mit einer heisshaertenden epoxid-saeureanhydrid-mischung impraegnierten isolierhuelse fuer elektrische leiter |
| US5989702A (en) * | 1994-08-15 | 1999-11-23 | General Electric Canada Inc. | Sandwich insulation for increased corona resistance |
| DE19711410A1 (de) * | 1997-03-19 | 1998-09-24 | Beck & Co Ag Dr | Tränk-, Verguß- und Überzugsmassen für elektrotechnische und/oder elektronische Bauteile sowie für Trägermaterialien für flächige Isolierstoffe |
| EP0966001A1 (de) * | 1998-06-17 | 1999-12-22 | COMPAGNIE ROYALE ASTURIENNE DES MINES, Société Anonyme | Verfahren zur Herstellung eines Glimmerbandes und erhaltenes Produkt |
| DE19839285C1 (de) * | 1998-08-28 | 2000-04-27 | Siemens Ag | Glimmschutzband |
| US6190775B1 (en) * | 2000-02-24 | 2001-02-20 | Siemens Westinghouse Power Corporation | Enhanced dielectric strength mica tapes |
| US7268174B2 (en) * | 2003-07-11 | 2007-09-11 | Siemens Power Generation, Inc. | Homogeneous alumoxane-LCT-epoxy polymers and methods for making the same |
| US7553438B2 (en) * | 2004-06-15 | 2009-06-30 | Siemens Energy, Inc. | Compression of resin impregnated insulating tapes |
| US7776392B2 (en) * | 2005-04-15 | 2010-08-17 | Siemens Energy, Inc. | Composite insulation tape with loaded HTC materials |
| RU2332736C1 (ru) * | 2004-06-16 | 2008-08-27 | Айсоволта Аг | Слюдяная лента, имеющая максимальное содержание слюды |
| EP1878027A4 (de) * | 2005-05-04 | 2012-04-11 | Abb Research Ltd | Elektrisches isolationsmaterial, elektrische einrichtung und verfahren zum herstellen eines elektrischen isolationsmaterials |
| US7964236B2 (en) * | 2005-10-18 | 2011-06-21 | Elantas Pdg, Inc. | Use of nanomaterials in secondary electrical insulation coatings |
| JP4922018B2 (ja) * | 2007-03-06 | 2012-04-25 | 株式会社東芝 | 回転電機のコイル絶縁物 |
| WO2008129032A1 (en) * | 2007-04-20 | 2008-10-30 | Abb Research Ltd | An impregnation medium |
| DE102009039457A1 (de) * | 2009-08-31 | 2011-03-03 | Siemens Aktiengesellschaft | Leitereinrichtung, elektrische Maschine sowie Traktionsmaschine |
| DE102010032555A1 (de) * | 2010-07-29 | 2012-02-02 | Siemens Aktiengesellschaft | Isolierung für rotierende elektrische Maschinen |
| DE102010032949A1 (de) * | 2010-07-30 | 2012-02-02 | Siemens Aktiengesellschaft | Isoliersysteme mit verbesserter Teilentladungsbeständigkeit |
-
2011
- 2011-07-20 DE DE102011079489A patent/DE102011079489A1/de not_active Ceased
-
2012
- 2012-07-18 JP JP2014520649A patent/JP5813225B2/ja not_active Expired - Fee Related
- 2012-07-18 KR KR1020147004457A patent/KR20140063615A/ko not_active Withdrawn
- 2012-07-18 EP EP12743938.8A patent/EP2710613A1/de not_active Withdrawn
- 2012-07-18 WO PCT/EP2012/064046 patent/WO2013011047A1/de not_active Ceased
- 2012-07-18 CN CN201280035886.2A patent/CN103875041A/zh active Pending
- 2012-07-18 US US14/232,840 patent/US20140138008A1/en not_active Abandoned
Non-Patent Citations (2)
| Title |
|---|
| None * |
| See also references of WO2013011047A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20140063615A (ko) | 2014-05-27 |
| DE102011079489A1 (de) | 2013-01-24 |
| JP2014527686A (ja) | 2014-10-16 |
| CN103875041A (zh) | 2014-06-18 |
| WO2013011047A1 (de) | 2013-01-24 |
| JP5813225B2 (ja) | 2015-11-17 |
| US20140138008A1 (en) | 2014-05-22 |
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