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EP4068316A4 - STEP SWITCH - Google Patents

STEP SWITCH Download PDF

Info

Publication number
EP4068316A4
EP4068316A4 EP19954055.0A EP19954055A EP4068316A4 EP 4068316 A4 EP4068316 A4 EP 4068316A4 EP 19954055 A EP19954055 A EP 19954055A EP 4068316 A4 EP4068316 A4 EP 4068316A4
Authority
EP
European Patent Office
Prior art keywords
step switch
switch
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.)
Pending
Application number
EP19954055.0A
Other languages
German (de)
French (fr)
Other versions
EP4068316A1 (en
Inventor
Tomohiro Tanabe
Shinichiro Abe
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.)
Toshiba Corp
Toshiba Energy Systems and Solutions Corp
Original Assignee
Toshiba Corp
Toshiba Energy Systems and Solutions 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 Toshiba Corp, Toshiba Energy Systems and Solutions Corp filed Critical Toshiba Corp
Publication of EP4068316A1 publication Critical patent/EP4068316A1/en
Publication of EP4068316A4 publication Critical patent/EP4068316A4/en
Pending legal-status Critical Current

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
    • 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
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0005—Tap change devices
    • H01H2009/0061—Monitoring tap change switching devices
    • 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
    • H01H9/0027—Operating mechanisms

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Housings And Mounting Of Transformers (AREA)
EP19954055.0A 2019-11-26 2019-11-26 STEP SWITCH Pending EP4068316A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/046127 WO2021106066A1 (en) 2019-11-26 2019-11-26 On-load tap changer

Publications (2)

Publication Number Publication Date
EP4068316A1 EP4068316A1 (en) 2022-10-05
EP4068316A4 true EP4068316A4 (en) 2023-08-09

Family

ID=76129250

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19954055.0A Pending EP4068316A4 (en) 2019-11-26 2019-11-26 STEP SWITCH

Country Status (4)

Country Link
EP (1) EP4068316A4 (en)
JP (1) JP7330289B2 (en)
CN (1) CN114503227A (en)
WO (1) WO2021106066A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4152355B1 (en) * 2021-09-20 2025-03-12 Hitachi Energy Ltd Transformer arrangement and method for assembling a transformer arrangement

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1491657A (en) * 1975-07-02 1977-11-09 Reinhausen Maschf Scheubeck Transformer tap switch assembly
EP0424631A1 (en) * 1989-10-24 1991-05-02 Maschinenfabrik Reinhausen Gmbh Cylindrical on-load tap changer for step-down transformers
CN107843778A (en) * 2017-09-13 2018-03-27 国网山东省电力公司滨州供电公司 Long-range loaded switch Vidacare corp and its application method
CN208730260U (en) * 2018-09-17 2019-04-12 上海千煜精密模具工程有限公司 A kind of three template die sprue bushings

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS584180Y2 (en) * 1977-07-15 1983-01-24 三菱電機株式会社 Vibration damping device for tap changer
JPS54150633A (en) * 1978-05-19 1979-11-27 Toshiba Corp Tap changer
JPS5619797A (en) 1979-07-26 1981-02-24 Nippon Telegraph & Telephone Plotter
JP4222874B2 (en) * 2003-05-20 2009-02-12 株式会社共和電業 Converter for physical quantity detection
JP4703473B2 (en) * 2006-04-19 2011-06-15 株式会社東芝 Load tap changer
JP4764303B2 (en) * 2006-09-29 2011-08-31 株式会社東芝 Load tap changer
JP5276961B2 (en) * 2008-12-03 2013-08-28 株式会社高岳製作所 Load tap changer
JP6067220B2 (en) 2011-12-23 2017-01-25 愛知電機株式会社 Switching switch for tap switching device when loaded
CN202711974U (en) * 2012-04-23 2013-01-30 莱茵豪森机械制造公司 Tap switch made up of load switcher and stage selector and used for staged transformer
DE102012105152B4 (en) * 2012-06-14 2015-11-12 Maschinenfabrik Reinhausen Gmbh On-load tap-changer for uninterrupted switching between different winding taps of a tapped transformer
JP6308835B2 (en) * 2014-03-28 2018-04-11 株式会社ダイヘン Abnormality detection method for vacuum valve for switching switch of tap switching device under load

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1491657A (en) * 1975-07-02 1977-11-09 Reinhausen Maschf Scheubeck Transformer tap switch assembly
EP0424631A1 (en) * 1989-10-24 1991-05-02 Maschinenfabrik Reinhausen Gmbh Cylindrical on-load tap changer for step-down transformers
CN107843778A (en) * 2017-09-13 2018-03-27 国网山东省电力公司滨州供电公司 Long-range loaded switch Vidacare corp and its application method
CN208730260U (en) * 2018-09-17 2019-04-12 上海千煜精密模具工程有限公司 A kind of three template die sprue bushings

Also Published As

Publication number Publication date
CN114503227A (en) 2022-05-13
JPWO2021106066A1 (en) 2021-06-03
JP7330289B2 (en) 2023-08-21
EP4068316A1 (en) 2022-10-05
WO2021106066A1 (en) 2021-06-03

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Effective date: 20230707

RIC1 Information provided on ipc code assigned before grant

Ipc: H01H 9/00 20060101ALN20230703BHEP

Ipc: H01F 29/04 20060101ALI20230703BHEP

Ipc: H01F 29/02 20060101AFI20230703BHEP