EP3174907A1 - Formulation pour un système isolant et système isolant - Google Patents

Formulation pour un système isolant et système isolant

Info

Publication number
EP3174907A1
EP3174907A1 EP15774537.3A EP15774537A EP3174907A1 EP 3174907 A1 EP3174907 A1 EP 3174907A1 EP 15774537 A EP15774537 A EP 15774537A EP 3174907 A1 EP3174907 A1 EP 3174907A1
Authority
EP
European Patent Office
Prior art keywords
particles
inorganic
nanofiller
formulation
organic
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Withdrawn
Application number
EP15774537.3A
Other languages
German (de)
English (en)
Inventor
Peter GRÖPPEL
Daniel Mach
Michael Nagel
Gerhard Piecha
Christian Triebel
Matthias ÜBLER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP3174907A1 publication Critical patent/EP3174907A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L63/00—Compositions of epoxy resins; Compositions of derivatives of 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
    • H01B3/002—Inhomogeneous material in general
    • 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
    • H01B3/002—Inhomogeneous material in general
    • H01B3/006—Other inhomogeneous material
    • 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
    • H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
    • 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
    • H01B3/44—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 vinyl resins; acrylic resins
    • H01B3/441—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 vinyl resins; acrylic resins from alkenes
    • 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
    • H01B3/46—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 silicones
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
    • C08C19/00—Chemical modification of rubber
    • C08C19/25—Incorporating silicon atoms into the molecule

Definitions

  • the invention relates to a novel formulation for an insulation system which exhibits higher erosion resistance and can be used as a casting and / or pressing resin as conductor and / or wall insulation for current-carrying conductors in generators, motors and / or rotating machines.
  • the insulation system has to isolate the task of electrical conductors (wires, coils, rods) permanently against each other and against the stator core or the surrounding ⁇ bung.
  • electrical conductors wires, coils, rods
  • a distinction is the insulation between conductor elements (conductor insulation) between the conductors or windings (conductor and / or turn insulation) and between the conductor and ground potential in the groove and winding area (Hauptisolie ⁇ tion).
  • the thickness of the main insulation is adapted to both the nominal voltage of the machine, as well as the operating andTECHsbe ⁇ conditions.
  • the object of the present invention is therefore to provide a fracture-mechanically resilient high-voltage insulation system which exhibits improved erosion stability.
  • a solution to the problem and object of the present invention is therefore a formulation for an insulating system, a base resin with one or more isotropic spherical filler components, wherein the filler components are nanoparticles, inorganic particles and organic particles comprise and in a total proportion of up to 25% by weight be in the Formulie ⁇ tion.
  • the filler components are nanoparticles, inorganic particles and organic particles comprise and in a total proportion of up to 25% by weight be in the Formulie ⁇ tion.
  • the base resin is selected from the group comprising Thermoplas ⁇ th, thermosets and / or elastomers.
  • the base resin may be selected from the group consisting of UV, cold or heat curing, phthalic anhydride and / or amine curing resin, in particular, for example, an epoxy resin.
  • the base resin is a diglycidyl ether, for example a bisphenol A or bisphenol F diglycidyl ether or a cycloaliphatic epoxy resin or a phenolic novolak.
  • the base resin be selected from the group of polyurethanes, the
  • the isotropic fillers mentioned can be selected from the group of inorganic particles, for example the metallic, the metal and / or semimetal oxide particles.
  • the particles of the filler and from ke ⁇ ramischen materials may be as talloxid example, of a metal or a metal oxide such as alumina and / or silicon dioxide.
  • the inorganic nano-filler particles give the Formu ⁇ -regulation the required erosion resistance.
  • the particles of the filler may also be selected from the group of organic compounds, for example, it may be polymeric nanoparticles such as styrene, butadiene, etc.
  • the organic nanofiller particles impart some ductility to the formulation.
  • the organic fraction of the nanofiller particles is kept as low as possible.
  • CS ie core-shell particles
  • nanofiller particles are particles with a shell and a core of different materials.
  • Core-shell particles generally show a layer structure of different materials that has a radial gradient.
  • a suitable surface modification provides a geeig ⁇ designated connection of the nano-filler particles to the matrix.
  • the surface modification may be in the form of a coating, for example.
  • the formulation is preferably used as a low-viscosity and / or isotropic material, wherein the nanofiller particles are present in dimensions in the range from 5 to 500 nm, in particular from 7 to 350 nm and very preferably in the range from 8 to 300 nm.
  • Silica-based and / or based on inorganic ⁇ organic materials such as styrene-butadiene and / or
  • a nanofiller fraction of inorganic-organic material in an amount of between 1 and 10% by weight, more preferably in an amount in the range of 3 to 8% by weight and particularly preferably 4 to 6% by weight.
  • organic fillers were incorporated into the formulation.
  • FIG. 2 shows the test results of Erosionsresis ⁇ tence again.
  • FIG. 2 shows a decrease in erosion resistance in the course of successively increased proportions by weight of organic nanofiller particles.
  • Nanofiller particles act as barriers to the formation of the inorganic Fusion aggregates, whereby the mechanical stability of the passivation layer is markedly ge ⁇ ringer, especially the organic fillers are subject to partial discharge under stress of a material degradation.
  • the passivation layer considered comprises silicon dioxide and siloxane-butadiene
  • Nanofiller particles in a total weight fraction of 20% are understood to mean a material which, on the one hand, gives ductility and resistance to breakage due to its organic content of the formulation and, on the other hand, can form sinter bridges with the inorganic fusion aggregates of a passivation layer due to the inorganic content of the formulation.
  • inorganic-organic material for a nanofiller particle is understood to mean a material which, on the one hand, gives ductility and resistance to breakage due to its organic content of the formulation and, on the other hand, can form sinter bridges with the inorganic fusion aggregates of a passivation layer due to the inorganic content of the formulation.
  • different materials will be preferred, which are easily tested.
  • a styrene-butadiene material and / or a siloxane-butadiene material may be used herein.
  • Insbesonde re ⁇ a commercially available siloxane-butadiene copolymer has been successfully tested in an epoxy resin-based polymer.
  • Anorga ⁇ cally-organic nanofiller particles such as the GE herein ⁇ showed siloxane-butadiene nanofiller particles is contained in sym-biotic manner in the Fusion aggregates Passi ⁇ multungs slaughter integrate, since they see through their inorganic content also via sintering bridges ensure sufficient Ver ⁇ compound of the entire passivation layer such as purely inorganic nanofiller particles.
  • the formulation shows with the inorganic-organic Nano Shellstoff- particles have a much more compact and more homogeneous passivation layer approximately ⁇ than the formulation in which inorganic and organic nanofiller particles as separate fractions, that are present separately. It can be seen that over the inorganic portion of the
  • Siloxane-butadiene nanofiller particles a symbiotic In ⁇ tegration of this filler fraction by means of sintered bridges in the inorganic fusion aggregates comprehensive Passivitations ⁇ layer takes place.
  • a compact and homogeneous passivation layer is generated by erosion resistance of these filler fraction, wherein the organic particles are not subject to Materialde ⁇ gradation under partial discharge stress and somit- addition to the increased erosion resistance as well as a Break-mechanically resilient and ductile high-voltage insulator-polymer system is created.
  • Hardener Methylhexahydrophthalic anhydride, ratio (resin to hardener) 1: 0.9;
  • Accelerator N, -dimethylbenzylamine, accelerator content: 1% by weight,
  • the invention relates to a novel formulation for an insulation system, which shows higher erosion resistance and can be used as casting and / or pressing resin as conductor and / or wall insulation for current-carrying conductors in generators, motors and / or rotating machines.
  • the formulation exhibits isotropic and spherical nano-filler particles in a Ge ⁇ weight proportion of up to 25%, the organic and inorganic An ⁇ parts have.

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Organic Insulating Materials (AREA)
  • Inorganic Insulating Materials (AREA)

Abstract

L'invention concerne une nouvelle formulation pour un système isolant présentant une résistance à l'érosion supérieure et pouvant s'utiliser en tant que résine de coulée et/ou en tant que résine de moulage par compression sous forme d'isolation de conducteur et/ou de paroi pour des conducteurs de courant dans des générateurs, des moteurs et/ou des machines tournantes. Cette formulation présente des particules de nanocharges isotropes et sphériques dans une proportion en poids allant jusqu'à 25%, qui possèdent des composantes organiques et inorganiques.
EP15774537.3A 2014-09-30 2015-09-22 Formulation pour un système isolant et système isolant Withdrawn EP3174907A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014219765.1A DE102014219765A1 (de) 2014-09-30 2014-09-30 Formulierung für ein Isoliersystem und Isoliersystem
PCT/EP2015/071691 WO2016050557A1 (fr) 2014-09-30 2015-09-22 Formulation pour un système isolant et système isolant

Publications (1)

Publication Number Publication Date
EP3174907A1 true EP3174907A1 (fr) 2017-06-07

Family

ID=54249451

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15774537.3A Withdrawn EP3174907A1 (fr) 2014-09-30 2015-09-22 Formulation pour un système isolant et système isolant

Country Status (6)

Country Link
US (1) US20170301429A1 (fr)
EP (1) EP3174907A1 (fr)
JP (1) JP2017531710A (fr)
CN (1) CN107077916A (fr)
DE (1) DE102014219765A1 (fr)
WO (1) WO2016050557A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3460809A1 (fr) 2017-09-20 2019-03-27 Siemens Aktiengesellschaft Matériau isolant électrique et/ou résine d'imprégnation pour isolant formant bande enroulée d'une machine tournante moyenne et/ou haute tension, matériau isolant ainsi qu'un tel système d'isolation
DE102018202061A1 (de) * 2018-02-09 2019-08-14 Siemens Aktiengesellschaft Isolation, elektrische Maschine und Verfahren zur Herstellung der Isolation
DE102018202058A1 (de) * 2018-02-09 2019-08-14 Siemens Aktiengesellschaft Formulierung zur Herstellung eines Isolationssystems, elektrische Maschine und Verfahren zur Herstellung eines Isolationssystems
DE102019204190A1 (de) * 2019-03-27 2020-10-01 Siemens Aktiengesellschaft Gießharz, Formkörper daraus und Verwendung des Formkörpers
DE102019211369A1 (de) * 2019-07-30 2021-02-04 Siemens Aktiengesellschaft Gießharz, Verfahren zur Herstellung eines Formstoffs, Formstoff sowie Verwendung davon
WO2022030252A1 (fr) * 2020-08-07 2022-02-10 昭和電工マテリアルズ株式会社 Matériau isolant pour stator, stator et procédé de fabrication de stator

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1457509B1 (fr) * 2003-03-11 2006-06-28 hanse chemie AG Composition de polymère à base de résine Epoxy
DE10345139A1 (de) * 2003-09-29 2005-04-21 Bosch Gmbh Robert Härtbares Reaktionsharzsystem
EP1557880A1 (fr) * 2004-01-21 2005-07-27 Nitto Denko Corporation Composition de résine pour encapsuler semi-conducteur
DE102007062035A1 (de) * 2007-12-21 2009-06-25 Robert Bosch Gmbh Reaktionsharzsystem
WO2011095208A1 (fr) * 2010-02-03 2011-08-11 Abb Research Ltd Système d'isolation électrique
DE102010019723A1 (de) * 2010-05-07 2011-11-10 Siemens Aktiengesellschaft Elektroisolationssystem für eine elektrische Hochspannungsrotationsmaschine
DE102010019724A1 (de) * 2010-05-07 2011-11-10 Siemens Aktiengesellschaft Elektrisches Isolationsmaterial und Isolationsband für eine elektrische Isolation einer Mittel- und Hochspannung
DE102010022265A1 (de) * 2010-05-31 2011-12-01 Siemens Aktiengesellschaft Hydrophobe Beschichtung und Anwendung dazu
DE102010022523B4 (de) * 2010-06-02 2017-09-14 Siemens Healthcare Gmbh Gradientenspule mit in einer Vergussmasse vergossenen Spulenwicklungen
DE102010032555A1 (de) * 2010-07-29 2012-02-02 Siemens Aktiengesellschaft Isolierung für rotierende elektrische Maschinen
DE102011083228A1 (de) * 2011-09-22 2013-03-28 Siemens Aktiengesellschaft Isoliersysteme mit verbesserter Teilentladungsbeständigkeit, Verfahren zur Herstellung dazu
JP2014141604A (ja) * 2013-01-25 2014-08-07 Kaneka Corp 貯蔵安定性の改善されたポリマー微粒子含有硬化性樹脂組成物

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ALAN. J. WADDON ET AL: "Crystal Structure of Polyhedral Oligomeric Silsequioxane (POSS) Nano-materials: A Study by X-ray Diffraction and Electron Microscopy", CHEMISTRY OF MATERIALS, vol. 15, no. 24, 1 December 2003 (2003-12-01), pages 4555 - 4561, XP055468238, ISSN: 0897-4756, DOI: 10.1021/cm034308b *

Also Published As

Publication number Publication date
DE102014219765A1 (de) 2016-03-31
JP2017531710A (ja) 2017-10-26
US20170301429A1 (en) 2017-10-19
CN107077916A (zh) 2017-08-18
WO2016050557A1 (fr) 2016-04-07

Similar Documents

Publication Publication Date Title
WO2016050557A1 (fr) Formulation pour un système isolant et système isolant
EP2721616B1 (fr) Systèmes isolants à résistance accrue aux décharges partielles et leur procédé de fabrication
WO2013041363A1 (fr) Systèmes isolants à tenue améliorée aux décharges partielles et procédé de fabrication desdits systèmes isolants
WO2011138173A1 (fr) Matériau isolant électrique, papier isolant et bande isolante pour une machine rotative haute tension
DE102010019724A1 (de) Elektrisches Isolationsmaterial und Isolationsband für eine elektrische Isolation einer Mittel- und Hochspannung
EP2402958B1 (fr) Système d'isolation électrique pour une machine électrique rotative à haute tension
AT16858U1 (de) Fester, insbesondere bandförmiger, Isolationswerkstoff, Verwendung davon und elektrische Maschine
EP2710613A1 (fr) Procédé de fabrication d'une bande pour un système d'isolation électrique
DE102014117257A1 (de) Isolierung für elektrische Bauteile
EP2807654A1 (fr) Matériau isolant pour machines rotatives
EP3278423A1 (fr) Revêtement résistif pour un dispositif anti-effluves d'une machine électrique
WO2013117373A1 (fr) Couche isolante autoréparatrice pour une machine électrique
WO2015128367A1 (fr) Système anti-effluves, notamment système anti-effluves extérieur, pour machine électrique
WO2019057604A1 (fr) Matériau isolant électrique et/ou résine d'imprégnation destinés à l'isolation de bande d'enroulement d'une machine moyenne et/ou haute tension, substance isolante ainsi que système d'isolation correspondant
EP3044852B1 (fr) Masse de bouchage d'encoche, fermeture d'encoche et procédé de fabrication de fermeture d'encoche
DE102013201054A1 (de) Zusammensetzung für ein Isolationssystem
EP3867999B1 (fr) Bobine ainsi que machine synchrone excitée par un courant
WO2002011268A1 (fr) Enroulements de machines electriques comprenant des conducteurs constitues de fils toronnes
WO2017167468A1 (fr) Masse de coulée à base de résine époxyde durcissable
EP3688774A1 (fr) Système d'isolation, matière d'isolation et matériau d'isolation servant à fabriquer le système d'isolation
DE102014204416A1 (de) Isolationsband, dessen Verwendung als elektrische Isolation für elektrische Maschinen, die elektrische Isolation und Verfahren zur Herstellung des Isolationsbandes
DE102012211762A1 (de) Formulierung, Verwendung der Formulierung und Isoliersystem für rotierende elektrische Maschinen
WO2012076103A2 (fr) Système d'isolation pour un conducteur de machine à haute tension

Legal Events

Date Code Title Description
17P Request for examination filed

Effective date: 20170221

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: SIEMENS AKTIENGESELLSCHAFT

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
17Q First examination report despatched

Effective date: 20180424

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20180905