EP3761332B8 - An on-load tap changer including an insulation barrier - Google Patents

An on-load tap changer including an insulation barrier Download PDF

Info

Publication number
EP3761332B8
EP3761332B8 EP19183661.8A EP19183661A EP3761332B8 EP 3761332 B8 EP3761332 B8 EP 3761332B8 EP 19183661 A EP19183661 A EP 19183661A EP 3761332 B8 EP3761332 B8 EP 3761332B8
Authority
EP
European Patent Office
Prior art keywords
tap changer
load tap
insulation barrier
changer including
barrier
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
EP19183661.8A
Other languages
German (de)
French (fr)
Other versions
EP3761332A1 (en
EP3761332B1 (en
Inventor
Harald Hedsten
Jean Louis Gérard Mathae
Per Krainer
Magnus SVANBERG
Anders C. Johansson
Kevin Ketabi
Kristoffer Olofqvist
Daniel FORSMAN
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.)
Hitachi Energy Ltd
Original Assignee
Hitachi Energy Ltd
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 Hitachi Energy Ltd filed Critical Hitachi Energy Ltd
Priority to EP19183661.8A priority Critical patent/EP3761332B8/en
Priority to KR1020217042829A priority patent/KR102705593B1/en
Priority to CN202080047572.9A priority patent/CN114041198B/en
Priority to PCT/EP2020/068016 priority patent/WO2021001275A1/en
Publication of EP3761332A1 publication Critical patent/EP3761332A1/en
Publication of EP3761332B1 publication Critical patent/EP3761332B1/en
Application granted granted Critical
Publication of EP3761332B8 publication Critical patent/EP3761332B8/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0005—Tap change devices
    • H01H9/0044—Casings; Mountings; Disposition in transformer housing
    • 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
    • H01F27/02—Casings
    • H01F27/022—Encapsulation
    • 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
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
    • H01F29/04—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings having provision for tap-changing without interrupting the load current
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H01H33/56—Gas reservoirs
    • H01H33/565—Gas-tight sealings for moving parts penetrating into the reservoir
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Housings And Mounting Of Transformers (AREA)
EP19183661.8A 2019-07-01 2019-07-01 An on-load tap changer including an insulation barrier Active EP3761332B8 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP19183661.8A EP3761332B8 (en) 2019-07-01 2019-07-01 An on-load tap changer including an insulation barrier
KR1020217042829A KR102705593B1 (en) 2019-07-01 2020-06-26 On-load tap changer with insulating barrier
CN202080047572.9A CN114041198B (en) 2019-07-01 2020-06-26 On-load tap-changer including insulating shield
PCT/EP2020/068016 WO2021001275A1 (en) 2019-07-01 2020-06-26 An on-load tap changer including an insulation barrier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19183661.8A EP3761332B8 (en) 2019-07-01 2019-07-01 An on-load tap changer including an insulation barrier

Publications (3)

Publication Number Publication Date
EP3761332A1 EP3761332A1 (en) 2021-01-06
EP3761332B1 EP3761332B1 (en) 2023-11-01
EP3761332B8 true EP3761332B8 (en) 2023-12-06

Family

ID=67137848

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19183661.8A Active EP3761332B8 (en) 2019-07-01 2019-07-01 An on-load tap changer including an insulation barrier

Country Status (4)

Country Link
EP (1) EP3761332B8 (en)
KR (1) KR102705593B1 (en)
CN (1) CN114041198B (en)
WO (1) WO2021001275A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4310875A1 (en) 2022-07-22 2024-01-24 Hitachi Energy Ltd A tap changer arrangement and a transformer arrangement comprising the tap changer arrangement
EP4618122A1 (en) 2024-03-12 2025-09-17 Hitachi Energy Ltd On-load tap changer for use at sea

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT341624B (en) * 1975-09-29 1978-02-27 Elin Union Ag SEALING ARRANGEMENT FOR A CYLINDRICAL OLD VESSEL OF A LOAD CHANGEOVER FOR TAP SWITCHES
AT409563B (en) * 1999-02-24 2002-09-25 Reinhausen Maschf Scheubeck ARRANGEMENT FOR SEALING A CYLINDRIC OIL VESSEL OF A SWITCH
SE529799C2 (en) * 2005-12-09 2007-11-27 Abb Research Ltd Device for transmitting rotational motion
US8319590B2 (en) * 2011-03-21 2012-11-27 Philippe Magnier Llc Device for explosion prevention of an on load tap changer including a rupture element
DE102011119318B4 (en) * 2011-11-23 2014-11-27 Maschinenfabrik Reinhausen Gmbh Step switch with vacuum interrupters
DE102012104379A1 (en) 2012-05-22 2013-11-28 Maschinenfabrik Reinhausen Gmbh Power storage for an on-load tap-changer
ES2628442T3 (en) * 2012-07-02 2017-08-02 Abb Schweiz Ag Polar circuit breaker with a heat transfer protector
DE102013100263A1 (en) * 2013-01-11 2014-07-31 Maschinenfabrik Reinhausen Gmbh On-load tap-changer with a connection to the oil volume of a transformer
DE102016104499B3 (en) * 2016-03-11 2017-04-27 Maschinenfabrik Reinhausen Gmbh Selector for an on-load tap-changer and on-load tap-changer with diverter switch and selector

Also Published As

Publication number Publication date
EP3761332A1 (en) 2021-01-06
KR20220008355A (en) 2022-01-20
CN114041198A (en) 2022-02-11
EP3761332B1 (en) 2023-11-01
KR102705593B1 (en) 2024-09-10
WO2021001275A1 (en) 2021-01-07
CN114041198B (en) 2024-03-08

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