EP2602802B1 - Procédé de fabrication d'un isolant de bobine de tension d'un transformateur d'instrument HT et dispositif de fabrication d'un isolant de bobine de tension - Google Patents

Procédé de fabrication d'un isolant de bobine de tension d'un transformateur d'instrument HT et dispositif de fabrication d'un isolant de bobine de tension Download PDF

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Publication number
EP2602802B1
EP2602802B1 EP12460073.5A EP12460073A EP2602802B1 EP 2602802 B1 EP2602802 B1 EP 2602802B1 EP 12460073 A EP12460073 A EP 12460073A EP 2602802 B1 EP2602802 B1 EP 2602802B1
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EP
European Patent Office
Prior art keywords
coil
insulation
voltage coil
voltage
winding
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.)
Active
Application number
EP12460073.5A
Other languages
German (de)
English (en)
Other versions
EP2602802A1 (fr
EP2602802A8 (fr
Inventor
Zbigniew Wesolowski
Marcin Tarnowski
Pawel Debski
Pawel Grysztar
Jaroslaw Duzdowski
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.)
ABB Technology AG
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ABB Technology AG
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Publication date
Application filed by ABB Technology AG filed Critical ABB Technology AG
Priority to PL12460073T priority Critical patent/PL2602802T3/pl
Publication of EP2602802A1 publication Critical patent/EP2602802A1/fr
Publication of EP2602802A8 publication Critical patent/EP2602802A8/fr
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Publication of EP2602802B1 publication Critical patent/EP2602802B1/fr
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Classifications

    • 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

Definitions

  • a holder with a clamping ring for keeping the transformer bushing in vertical position is fixed to the body of the device.
  • the insulation according to the invention has great electric break-down strength and small partial discharges, which is very important for the quality of a voltage transformer.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Insulating Of Coils (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Housings And Mounting Of Transformers (AREA)
  • Coils Or Transformers For Communication (AREA)

Claims (11)

  1. Procédé de fabrication d'un isolant de bobine de tension d'un transformateur d'instrument HT et dispositif de fabrication d'un isolant de bobine de tension, où comme le matériau isolant sont utilisées des feuilles de papier isolant pré-coupées longitudinalement en des bandes servant à isoler, en premier lieu, les enroulements individuels du bobinage de la bobine de tension de façon à former l'isolation entre les couches de la bobine et, en deuxième lieu, sont isolées la bobine et la connexion de la bobine avec la traversée du transformateur d'instrument HT, caractérisé en ce qu'un écran (17) relié à une tige conductrice (18) de la traversée est placé sur le bobinage de la bobine de tension d'en haut, et par la suite, la bobine ainsi que l'endroit de connexion de la bobine de tension (10) et de la traversée sont bandés avec les bandes du papier isolant (16) en position verticale de la bobine (10), en alternant par la haute et la basse surface de la bobine.
  2. Procédé selon la revendication 1, caractérisé en ce que l'épaisseur des couches d'isolation (13) de la bobine de tension (10) diminue au fur et à mesure de l'augmentation de leur éloignement de l'axe de la bobine.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que, lorsque la procédure de bandage de la bobine de tension (10) avec l'écran d'en haut (17) est terminée, une couche d'enroulement en papier semi-conducteur formant un écran extérieur de la bobine de tension est mise sur la surface extérieure d'isolation principale du transformateur d'instrument (21) de la bobine bandée (10).
  4. Procédé selon la revendication 3, caractérisé en ce que, lorsque l'écran extérieur est mis sur l'isolation principale du transformateur d'instrument (21) de la bobine bandée (10), une bande en cuivre est enroulée autour de cet écran extérieur.
  5. Procédé selon la revendication 1, caractérisé en ce que la barre conductrice (18) avec l'isolation (19) est en position horizontale pendant la procédure de bandage de la bobine de tension (10).
  6. Procédé selon la revendication 1, caractérisé en ce que le bandage de la bobine (10) et de l'écran (17) ainsi que de la connexion de la bobine de tension (10) à la barre conductrice munie d'isolant (18) est exécuté à l'aide d'un dispositif pour bandage gravitationnel.
  7. Dispositif de fabrication d'un isolant de bobine de tension du transformateur d'instrument HT selon la revendication 1, où comme le matériau isolant sont utilisées des feuilles de papier isolant pré-coupées longitudinalement en des bandes servant à isoler en premier lieu les enroulements individuels du bobinage de la bobine de tension de façon à former l'isolation entre les couches de la bobine et, en deuxième lieu, sont isolées la bobine et la connexion de la bobine avec la traversée du transformateur d'instrument HT, ledit dispositif comprenant une traverse et des moyens à déterminer la position de la bobine de tension avec l'écran d'en haut (17) sur la traverse, où la traverse (6) est fixée à un cadre (1) relié à un corps pivotant (2) qui est relié de façon mobile à la base (3) dans le sens vertical.
  8. Dispositif selon la revendication 7, caractérisé en ce qu'il comprend un mécanisme de blocage (5) pour immobiliser la traverse (6) avec le cadre (1) en position horizontale ou verticale au moment de la rotation de la traverse (6) et du cadre (1) de 90°.
  9. Dispositif selon la revendication 7, caractérisé en ce que des galets d'écartement (8) et des douilles de pression (7) sont situés aux extrémités de la traverse (6).
  10. Dispositif selon la revendication 7 à 9, caractérisé en ce qu'un manchon (9) avec un collier sont installés sur le corps (2) afin de maintenir la traversée du transformateur en position verticale.
  11. Dispositif selon la revendication 7 à 10, caractérisé en ce qu'il est muni d'un écrou (4) pour le réglage de la hauteur de position du cadre (1).
EP12460073.5A 2011-12-05 2012-10-08 Procédé de fabrication d'un isolant de bobine de tension d'un transformateur d'instrument HT et dispositif de fabrication d'un isolant de bobine de tension Active EP2602802B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12460073T PL2602802T3 (pl) 2011-12-05 2012-10-08 Sposób wykonywania izolacji cewki napięciowej przekładnika WN i przyrząd do wykonywania izolacji cewki napięciowej

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL397241A PL221558B1 (pl) 2011-12-05 2011-12-05 Sposób wykonywania izolacji cewki napięciowej przekładnika WN i przyrząd do wykonywania izolacji cewki napięciowej

Publications (3)

Publication Number Publication Date
EP2602802A1 EP2602802A1 (fr) 2013-06-12
EP2602802A8 EP2602802A8 (fr) 2013-07-24
EP2602802B1 true EP2602802B1 (fr) 2014-03-26

Family

ID=48539560

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12460073.5A Active EP2602802B1 (fr) 2011-12-05 2012-10-08 Procédé de fabrication d'un isolant de bobine de tension d'un transformateur d'instrument HT et dispositif de fabrication d'un isolant de bobine de tension

Country Status (3)

Country Link
EP (1) EP2602802B1 (fr)
HR (1) HRP20140578T1 (fr)
PL (2) PL221558B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108389707A (zh) * 2018-02-05 2018-08-10 河南森源电气股份有限公司 电压互感器及其制造方法
CN116344203B (zh) * 2023-03-30 2023-09-05 山东泰开互感器有限公司 一种油浸倒立式电流互感器器身包扎工艺

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB820641A (en) * 1955-08-25 1959-09-23 Philips Electrical Ind Ltd Improvements in methods of manufacturing transformer coils
US3028568A (en) * 1960-09-28 1962-04-03 Gen Electric Potential transformer
GB1165161A (en) * 1965-07-09 1969-09-24 Revrolle & Company Ltd A Tape or Sheet Winding Machine

Also Published As

Publication number Publication date
PL221558B1 (pl) 2016-04-29
HRP20140578T1 (hr) 2014-08-01
EP2602802A1 (fr) 2013-06-12
PL397241A1 (pl) 2013-06-10
PL2602802T3 (pl) 2014-07-31
EP2602802A8 (fr) 2013-07-24

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