EP3443567A1 - Dispositif anti-effluves, machine électrique et procédé de fabrication du dispositif anti-effluves - Google Patents

Dispositif anti-effluves, machine électrique et procédé de fabrication du dispositif anti-effluves

Info

Publication number
EP3443567A1
EP3443567A1 EP17720407.0A EP17720407A EP3443567A1 EP 3443567 A1 EP3443567 A1 EP 3443567A1 EP 17720407 A EP17720407 A EP 17720407A EP 3443567 A1 EP3443567 A1 EP 3443567A1
Authority
EP
European Patent Office
Prior art keywords
microcapsules
polymer resin
corona
corona protection
electrically conductive
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Withdrawn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
EP17720407.0A
Other languages
German (de)
English (en)
Inventor
Mario Brockschmidt
Christopher ECKERT
Manuel Ettler
Vera Kristin FRANKE
Rene Höhner
Andrey Mashkin
Friedhelm Pohlmann
Guido Schmidt
Ralph Seybold
Christian Staubach
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
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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, Siemens Corp filed Critical Siemens AG
Publication of EP3443567A1 publication Critical patent/EP3443567A1/fr
Withdrawn legal-status Critical Current

Links

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
    • H01B3/002—Inhomogeneous material in general
    • H01B3/004—Inhomogeneous material in general with conductive additives or conductive layers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
    • C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/24—Electrically-conducting paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/20—Conductive material dispersed in non-conductive organic material
    • H01B1/24—Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon or silicon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/06—Insulating conductors or cables
    • H01B13/065—Insulating conductors with lacquers or enamels
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/30—Drying; Impregnating
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/001—Conductive additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/002—Physical properties
    • C08K2201/003—Additives being defined by their diameter
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/10—Encapsulated ingredients

Definitions

  • the invention relates to a corona protection and an electrical machine with the corona protection.
  • turbogenerator in a power plant for generating electrical energy
  • the turbogenerator has a laminated core and a winding of electrical conductors .
  • the laminated core has a plurality of grooves in which the conductors are introduced.
  • Blechuns stand out the electrical conductors from the laminated core.
  • the conductors are surrounded by a main insulation, which electrically isolates the conductors against each other, against the laminated core and against the environment.
  • a glow protection is arranged on the surface of the main insulation facing away from the conductor.
  • the corona shielding between the main insulation and the laminated core has a weakly electrically conductive and grounded external corona protection, which can protrude from the laminated core.
  • To ground the conspiracyglimmschutz is electrically connected to the laminated core.
  • the external corona shield homogenizes the electrical field emanating from the electrical conductor. As ⁇ with areas with locally excessive electric field strength can be avoided whereby the formation of partial discharges at the surface of the main insulation is suppressed.
  • the corona shielding has an end corona shielding provided at the axial end of the outer corona shield at the interface between the main insulation and the surroundings.
  • the Endeglimmschutz is weakly electrically conductive and can also have a linear decreasing resistance profile with increasing distance from the contemplatglimmtik.
  • the end glow protection is set up to reduce the electric field formed during operation of the turbogenerator in a direction away from the laminated core.
  • Damage to the external corona protection which can occur, for example, when inserting the main insulation and the outer corona protection encased electrical conductor in the groove or when driving Nutseidenfedern between the outer corona and the laminated core, affect the electric field homogenizing effect ofêtglimm- protection and can lead to an increase in the electric field strength and thus to the partial discharges.
  • the partial discharges ⁇ lead to decomposition of the main insulation and the outer corona, and thus shorten the life of the electrical machine.
  • Damage to the end corona shielding can affect the electric field relieving effect of the end corona shielding and thus contribute to the decision ⁇ stehung partial discharges in the area of end corona shielding.
  • the object of the invention is therefore to provide a corona protection for an electrical machine, with the corona, the life of the electric machine can be extended.
  • the corona shield according to the invention for an electric Maschi ⁇ ne has a coating comprising a first polymer resin, dispersed in the first polymeric resin first electrically conductive
  • the corona shield to repair itself, whereby the corona protection and thus also the electrical see machine have a long life.
  • the first elekt ⁇ driven thereby conductive particles cause an electrical conductivity of the corona shield.
  • the electrically conductive particles cause a weak electrical conductivity in the repaired corona protection.
  • the first polymer resin and the second polymer resin are the same. It is preferred that the corona protection is an external corona protection and / or an end corona protection.
  • the lacquer comprises second electrically conductive particles which are arranged in the interior of the microcapsules.
  • the second electrically conductive particles also flow into the damaged area. It is thereby achieved that the damaged area after the curing of the second polymer resin is electrically conductive, so that an electric field emanating from an electrical conductor of the electric machine is also homogenized in the region of the damaged area and around this area. Characterized ⁇ field strength peaks are advantageously suppressed, whereby partial discharges can be avoided in the operation of the electrical machine.
  • the mass fraction of the microcapsules loading subjected to the paint and the mass fraction of the second particles is chosen to be high on the lacquer, that the second particles überperkolierend vorlie ⁇ gene in the latesthär ⁇ depressed area This means, that the second particles form a continuous network in the off ⁇ cured area, the edge points of the cured portion interconnecting where ⁇ a whole is electrically conductive by the damaged area after curing the second polymer resin. It is preferred that the first electrically conductive particles and / or the second electrically conductive particles of graphite, carbon black and / or inorganic particles with an electrically leit ⁇ coating capable of having.
  • the sum of the proportions by weight of the microcapsules and the first electroconductive particles is 6 to 90% with respect to the varnish ⁇ 5 ".
  • the addition of the microcapsules increases the viscosity of the varnish, but low viscosity is advantageous in processing of the paint.
  • the weight ratio of the microcapsules to the first electrically conductive particles is preferably from 1 to 10, in particular from 1 to 2.
  • the polymer resin is a copolymer.
  • the copolymer is a polymer based on polyacrylate, in particular acrylate and / or acrylonitrile, and / or polystyrene.
  • a part of the microcapsules have only one of the monomers of the copolymer and another part of the microcapsules merely another one of the monomers of the copolymer. Since ⁇ come through the two monomers advantageously only in contact when burst the microcapsules in the damage, whereby the curing can take place only after damage.
  • the microcapsules preferably have in their interior electrically non-conductive inorganic nanoparticles, in particular, the nanoparticles Ti0 2 , Si0 2 , Al 2 O 3 and / or MgO.
  • the area cured with the nanoparticles has a higher resistance to the partial discharges and thus a longer service life than it would be the case without the nanoparticles.
  • the microcapsules preferably have in their interior a solvent, in particular ethanol, n-propanol, isopropanol, ethyl acetate and / or an alkane, in particular n-pentane, n-hexane and / or n-heptane.
  • a solvent in particular ethanol, n-propanol, isopropanol, ethyl acetate and / or an alkane, in particular n-pentane, n-hexane and / or n-heptane.
  • the viscosity of the reduced in the microcapsule liquid, ie, the polymer resin with the solvent whereby the liquid after the bursting of the microcapsules can be finely distributed in the damaged area and can also penetrate into very small cracks. This allows almost complete repair of the damaged area.
  • the curing of the polymer resin can take place. It is preferable that the wall material of the microcapsules
  • microcapsules preferably have a middle one
  • microcapsules Diameter from 10 ym to 1500 ym. It is preferred that the microcapsules have a wall thickness of
  • the Mik ⁇ rokapseln have sufficient strength so that they do not burst when ⁇ nor paint processing of the resist, but at the same time, the wall thickness is such that they burst in damage to the corona shield.
  • the corona protection preferably has a porous band which is impregnated by the lacquer. Due to the band, the corona protection has an increased mechanical strength.
  • the impregnated tape of the paint has a sufficient porosity to be processed in a VPI (vacuum pressure impregnation) method, ie, the porosity is sufficiently high, so that impregnated by the paint tape of a resin, in particular an epoxy resin , can be soaked.
  • the tape is partially porous according to the performed VPI method, so that the capillary action of the tape allows the polymer resin located in the microcapsules to spread particularly well in the damage to the microcapsules in the tape.
  • the partial porosity can be achieved, for example, by means of hollow fibers in the band. Due to the partial porosity, the corona protection can heal particularly well and without the formation of trapped air, which promotes the formation of partial discharges.
  • the band is a fabric and / or a nonwoven fabric, in particular the nonwoven fabric and / or the fabric comprises polyethylene terephthalate (PET), polyester, glass, polyimide, polyaramide, polyamide, polypropylene and / or PTFE.
  • the electric machine according to the invention comprises a step elekt ⁇ conductor, a main insulation, which surrounds the electrical conductor and the corona shield that is applied to the outer side of the main insulation.
  • the corona shield should be an external corona shield and / or an end corona shield.
  • the inventive method for manufacturing the Glimmschut ⁇ zes comprises the steps of: - applying a lacquer, comprising a first polymer resin, in the first polymer resin dispersed first electrically conductive particles and in the first poly ⁇ merharz dispersed microcapsules containing a second in its interior Polymer resin, on an electrical conductor enclosing the main insulation; - curing of the polymer resin.
  • the paint can either be applied directly to the main insulation and cured or the paint can first be applied to the tape and cured on the tape and then the tape can be applied with the cured paint on the main insulation.
  • the lacquer comprises a solvent, in particular ethanol, n-propanol, isopropanol, ethyl acetate and / or an alkane, in particular n-pentane, n-hexane and / or n-heptane, outside and inside the microcapsules, and the polymer resin is cured by evaporation of the outside of the microcapsules located solvent.
  • a solvent in particular ethanol, n-propanol, isopropanol, ethyl acetate and / or an alkane, in particular n-pentane, n-hexane and / or n-heptane, outside and inside the microcapsules, and the polymer resin is cured by evaporation of the outside of the microcapsules located solvent.
  • Figure 2 shows the corona protection after damage and Figures 3 and 4 the process of annealing the BeCdi ⁇ tion.
  • a glow contactor 1 for example external corona shielding and / or end corona protection, has a lacquer 4 for an electrical machine.
  • the varnish 4 comprises a first polymer resin, first electrically conductive particles 6 dispersed in the first polymer resin, and microcapsules 5 dispersed in the first polymer resin.
  • the microcapsules 5 have in their interior a second polymer resin.
  • the lacquer comprises an inorganic and electrically non-conductive filler, for example in the form of nanoparticles, wherein the filler is dispersed in the first polymer resin and / or second polymer resin. By the filler, the strength of the corona 1 against partial discharges can be increased.
  • the microcapsules 5 can be prepared, for example, in a dropping process or by emulsion polymerization.
  • the wall material of the microcapsules 5 may comprise wax, polyurea-formaldehyde and / or polyurethane.
  • the microcapsules 5 may have an average diameter of 10 ym to 1500 ym.
  • the microcapsules 5 may have a wall thickness of 50 nm to 3500 nm.
  • the coating 4 may be second electrically conductive particles aufwei ⁇ sen, which are arranged in the interior of the microcapsules. 5 It is also conceivable that the second electrically conductive particles are the same in chemical composition as the first electrically conductive particles 6, but a smaller one average diameter than the first electrically conductive particles 6 have. Thus, the second electrically conductive particles can be more easily accommodated in the microcapsules 5.
  • the first electrical have driven conductive particles and / or the second electrically conductive particles of graphite, carbon black and / or inorganic Par ⁇ Tikel with an electrically conductive coating. It is conceivable that the electrical conductivity of the second particles is higher than the electrical conductivity of the first particles. It can thereby be achieved that the electrical conductivity of the cured damaged areas is the same as before the damage despite a lower particle concentration.
  • the sum of the weight fractions of the microcapsules 5 and the ers ⁇ th semiconductive particles 6 based on the coating 4 is, for example from 10% to 50%.
  • the weight ratio of the microcapsules 5 to the first electrically conductive particles is, for example, from 1 to 10, in particular from 1 to 2.
  • the first polymer resin and / or the second polymer resin are a copolymer.
  • the copolymer may be, for example, a polymer based on polyacrylate, in particular acrylic acid ester and / or acrylonitrile, and / or polystyrene. It is conceivable that a part of the microcapsules 5 has only one of the monomers of the copolymer and another part of the microcapsules 5 only another one of the monomers of the copolymer. It is thereby achieved that 5 the two monomers come into contact only at a bursting of the micro ⁇ caps and allowed to cure said second polymeric resin.
  • the second polymer resin may include a monomer that is disposed only in a part of the microcapsules 5.
  • a polymerization initiator may be arranged in another part of the microcapsules 5.
  • the polymerization initiator may be dissolved in a solvent. It is thereby achieved that only when the microcapsules 5 burst does the polymerization initiator and the monomer come into contact and thus the second polymer resin cures.
  • the coating 4 may be a reactive diluent such as 3-ethyl-oxetane-3-methanol or cycloaliphatic epoxides, exhibit ⁇ .
  • the reactive diluent may be mixed with the first polymer resin and / or with the second polymer resin.
  • the microcapsules 5 may additionally have electrically non-conductive inorganic nanoparticles in their interior.
  • the nanoparticles Ti0 2 , Si0 2 , I 2 O 3 and / or MgO have or consist of the aforementioned substances.
  • the microcapsules may have 5 a solvent in their interior, in particular ethanol, n-propaganda nol, isopropanol, ethyl acetate and / or an alkane, insbeson ⁇ particular n-pentane, n-hexane and / or n-heptane.
  • the corona protection 1 has a porous, electrically non-conductive band, which is impregnated by the coating 4 ⁇ .
  • the tape may have a fabric and / or a nonwoven on ⁇ .
  • the fabric and / or the nonwoven fabric may comprise hollow fibers.
  • the nonwoven fabric and / or the fabric may comprise polyethylene terephthalate (PET), polyester, glass, polyimide, polyaramide, polyamide, polypropylene and / or PTFE.
  • Figures 1 to 4 show how the corona protection according to the invention in the electrical machine heals itself.
  • the electric machine has an electrical conductor, a main ⁇ insulation, which surrounds the electrical conductor, and the
  • the corona shield 1 has a radial outer side 2 and a radial inner side 3.
  • the corona shield 1 is introduced listed on the radial outer side of the main insulation, so that the radial inner side 3 abuts the radial Au ⁇ . .
  • the radial outer side 2 of the corona shield 1 is in contact with a laminated core of the electrical machine and can be damaged by this touch contact, by external influence and / or by partial discharges, whereby, as shown in Figure 2, a damaged area 7 is formed.
  • the microcapsules 5 burst and the second polymer resin located in their interior flows into the damaged area 7, as illustrated by the arrows 8 in FIG. After hardening of the second poly merharzes the damaged area 7 is filled and cured so as Darge ⁇ represents in Figure 4 by the reference numeral 9 is.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Dispersion Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Organic Insulating Materials (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Paints Or Removers (AREA)

Abstract

L'invention concerne un dispositif anti-effluves destiné à une machine électrique, comprenant une peinture (4) qui présente une première résine polymère, des premières particules électroconductrices (6) dispersées dans la première résine polymère et des microcapsules (5) dispersées dans la première résine polymère, qui renferment une deuxième résine polymère.
EP17720407.0A 2016-05-23 2017-04-21 Dispositif anti-effluves, machine électrique et procédé de fabrication du dispositif anti-effluves Withdrawn EP3443567A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16170822.7A EP3249659A1 (fr) 2016-05-23 2016-05-23 Dispositif anti-effluves, machine electrique et procede de production de dispositif anti-effluves
PCT/EP2017/059487 WO2017202550A1 (fr) 2016-05-23 2017-04-21 Dispositif anti-effluves, machine électrique et procédé de fabrication du dispositif anti-effluves

Publications (1)

Publication Number Publication Date
EP3443567A1 true EP3443567A1 (fr) 2019-02-20

Family

ID=56083942

Family Applications (2)

Application Number Title Priority Date Filing Date
EP16170822.7A Withdrawn EP3249659A1 (fr) 2016-05-23 2016-05-23 Dispositif anti-effluves, machine electrique et procede de production de dispositif anti-effluves
EP17720407.0A Withdrawn EP3443567A1 (fr) 2016-05-23 2017-04-21 Dispositif anti-effluves, machine électrique et procédé de fabrication du dispositif anti-effluves

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP16170822.7A Withdrawn EP3249659A1 (fr) 2016-05-23 2016-05-23 Dispositif anti-effluves, machine electrique et procede de production de dispositif anti-effluves

Country Status (3)

Country Link
US (1) US20200321821A1 (fr)
EP (2) EP3249659A1 (fr)
WO (1) WO2017202550A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3446741A (en) * 1963-11-14 1969-05-27 Minnesota Mining & Mfg Insulating device,composition,and method
DE50013562D1 (de) * 2000-06-20 2006-11-16 Abb Research Ltd Vergussmassen für die Herstellung von elektrischen Isolierungen
US7285306B1 (en) * 2003-04-18 2007-10-23 United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Process for self-repair of insulation material
DE102009039457A1 (de) * 2009-08-31 2011-03-03 Siemens Aktiengesellschaft Leitereinrichtung, elektrische Maschine sowie Traktionsmaschine
EP2624258A1 (fr) * 2012-02-06 2013-08-07 Siemens Aktiengesellschaft Couche isolante auto-curative pour une machine électrique

Also Published As

Publication number Publication date
US20200321821A1 (en) 2020-10-08
WO2017202550A1 (fr) 2017-11-30
EP3249659A1 (fr) 2017-11-29

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