EP2154698A3 - Method for manufacturing a tear-proof resin transformer and tear-proof resin transformer - Google Patents

Method for manufacturing a tear-proof resin transformer and tear-proof resin transformer Download PDF

Info

Publication number
EP2154698A3
EP2154698A3 EP09161058A EP09161058A EP2154698A3 EP 2154698 A3 EP2154698 A3 EP 2154698A3 EP 09161058 A EP09161058 A EP 09161058A EP 09161058 A EP09161058 A EP 09161058A EP 2154698 A3 EP2154698 A3 EP 2154698A3
Authority
EP
European Patent Office
Prior art keywords
resin
cast
transformer
tear
resin transformer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09161058A
Other languages
German (de)
French (fr)
Other versions
EP2154698A2 (en
EP2154698B1 (en
Inventor
Christoph Scheuer
Fritz Sorg
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
Hexion GmbH
Original Assignee
Siemens AG
Momentive Specialty Chemicals GmbH
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, Momentive Specialty Chemicals GmbH filed Critical Siemens AG
Priority to PL09161058T priority Critical patent/PL2154698T3/en
Publication of EP2154698A2 publication Critical patent/EP2154698A2/en
Publication of EP2154698A3 publication Critical patent/EP2154698A3/en
Application granted granted Critical
Publication of EP2154698B1 publication Critical patent/EP2154698B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H01B3/18—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
    • 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
    • H01F27/327—Encapsulating or impregnating
    • 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
    • H01F41/127—Encapsulating or impregnating

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Insulating Of Coils (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Die Erfindung betrifft ein Verfahren zum Herstellen eines rissfesten Gießharztransformators, wobei ein Gießharz zur elektrischen Isolation eines Wicklungskörpers des Gießharztransformators verwendet wird. Des Weiteren betrifft die Erfindung einen Gießharztransformator mit einer aus Gießharz bestehenden elektrischen Isolation eines Wicklungskörpers des Gießharztransformators. Durch Zugabe eines Zähigkeitsmodifikators von bis zu 20 phr ("parts per hundred resin") zum flüssigen Gießharz in Verbindung mit der Zugabe eines Beschleunigers, wird im Falle eines abgestimmten Härtungsprozesses durch linear oder treppenförmig aufsteigende Temperaturprofile die Rissfestigkeit des Gießharzes und damit die Lebensdauer des Gießharztransormators nachhaltig erhöht.The invention relates to a method for producing a crack-resistant cast-resin transformer, wherein a casting resin for electrical insulation of a winding body of the cast-resin transformer is used. Furthermore, the invention relates to a cast-resin transformer with an existing of cast resin electrical insulation of a winding body of the cast resin transformer. By adding a toughener modifier of up to 20 phr (parts per hundred resin) to the liquid casting resin in conjunction with the addition of an accelerator, in the case of a co-ordinated hardening process by linear or staircase rising temperature profiles, the crack resistance of the casting resin and thus the life of the cast resin transformer sustained increase.

EP09161058.4A 2008-05-27 2009-05-26 Method for manufacturing a tear-proof resin transformer and tear-proof resin transformer Active EP2154698B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09161058T PL2154698T3 (en) 2008-05-27 2009-05-26 Method for manufacturing a tear-proof resin transformer and tear-proof resin transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008025541A DE102008025541A1 (en) 2008-05-27 2008-05-27 Method for producing a crack-resistant cast-resin transformer and crack-resistant cast-resin transformer

Publications (3)

Publication Number Publication Date
EP2154698A2 EP2154698A2 (en) 2010-02-17
EP2154698A3 true EP2154698A3 (en) 2012-08-29
EP2154698B1 EP2154698B1 (en) 2013-11-06

Family

ID=40942443

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09161058.4A Active EP2154698B1 (en) 2008-05-27 2009-05-26 Method for manufacturing a tear-proof resin transformer and tear-proof resin transformer

Country Status (5)

Country Link
EP (1) EP2154698B1 (en)
DE (1) DE102008025541A1 (en)
ES (1) ES2442442T3 (en)
PL (1) PL2154698T3 (en)
PT (1) PT2154698E (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0182066A1 (en) * 1984-10-12 1986-05-28 Siemens Aktiengesellschaft Sealing compound for electrical or electronic construction parts or groups
DE4217288A1 (en) * 1991-05-23 1992-11-26 Hitachi Ltd HEAT-CURING RESIN COMPOSITION FOR THE MOLDING OF A HIGH-VOLTAGE COIL AND MOLDED COIL AND PANEL PRODUCED BY POURING AND HARDENING THE COMPOSITION
DE19648134A1 (en) * 1996-11-21 1998-05-28 Beck & Co Ag Dr Process for impregnating components
GB2329762A (en) * 1997-08-19 1999-03-31 Taiyo Yuden Kk An electronic component with a coil encapsulated in resin containing filler material
WO2004044933A1 (en) * 2002-11-12 2004-05-27 Abb Technology Ag Method and device for hardening coils

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1100113B (en) * 1955-08-23 1961-02-23 Westinghouse Electric Corp Insulating material for electrotechnical purposes
DE4206733C2 (en) 1992-03-04 1998-09-03 Bakelite Ag Cast resin and its use in the manufacture of electro-potting compounds
DE4343121A1 (en) 1993-12-17 1995-06-22 Abb Patent Gmbh Process for producing a casting ceramic
DE4432188A1 (en) 1994-09-09 1996-03-14 Siemens Ag Halogen-free epoxy resin compsn. for electronics encapsulation
EP1352026B1 (en) 2000-11-29 2004-07-21 Vantico AG Filled epoxy resin system having high mechanical strength values
DE10224587A1 (en) 2002-06-04 2003-12-18 Abb Patent Gmbh Sealing compound for the preparation of molded parts containing inserted parts useful in production of insulating materials with metallic and/or ceramic and or complex profile and/or mechanically sensitive inserted parts
DE102004054527B4 (en) * 2004-11-05 2006-10-12 Siemens Ag Process for the preparation of an isolated conductor of an insulated conductor and release agent

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0182066A1 (en) * 1984-10-12 1986-05-28 Siemens Aktiengesellschaft Sealing compound for electrical or electronic construction parts or groups
DE4217288A1 (en) * 1991-05-23 1992-11-26 Hitachi Ltd HEAT-CURING RESIN COMPOSITION FOR THE MOLDING OF A HIGH-VOLTAGE COIL AND MOLDED COIL AND PANEL PRODUCED BY POURING AND HARDENING THE COMPOSITION
DE19648134A1 (en) * 1996-11-21 1998-05-28 Beck & Co Ag Dr Process for impregnating components
GB2329762A (en) * 1997-08-19 1999-03-31 Taiyo Yuden Kk An electronic component with a coil encapsulated in resin containing filler material
WO2004044933A1 (en) * 2002-11-12 2004-05-27 Abb Technology Ag Method and device for hardening coils

Also Published As

Publication number Publication date
DE102008025541A1 (en) 2009-12-17
PL2154698T3 (en) 2014-04-30
EP2154698A2 (en) 2010-02-17
EP2154698B1 (en) 2013-11-06
PT2154698E (en) 2013-11-22
ES2442442T3 (en) 2014-02-11

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