EP4738416A1 - Schutzschalter - Google Patents

Schutzschalter

Info

Publication number
EP4738416A1
EP4738416A1 EP24210281.2A EP24210281A EP4738416A1 EP 4738416 A1 EP4738416 A1 EP 4738416A1 EP 24210281 A EP24210281 A EP 24210281A EP 4738416 A1 EP4738416 A1 EP 4738416A1
Authority
EP
European Patent Office
Prior art keywords
breaker
circuit
inflow
contact
outflow
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
EP24210281.2A
Other languages
English (en)
French (fr)
Inventor
Patrick Stoller
Arthouros Iordanidis
Martin Seeger
Bernardo Galletti
Mahesh DHOTRE
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 EP24210281.2A priority Critical patent/EP4738416A1/de
Priority to PCT/EP2025/081427 priority patent/WO2026093467A1/en
Publication of EP4738416A1 publication Critical patent/EP4738416A1/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/7015—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts
    • H01H33/7023—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by an insulating tubular gas flow enhancing nozzle
    • H01H33/703—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by an insulating tubular gas flow enhancing nozzle having special gas flow directing elements, e.g. grooves, extensions
    • 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
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/7015—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts
    • H01H33/7023—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by an insulating tubular gas flow enhancing nozzle
    • 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
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/7015—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts
    • H01H33/7038—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by a conducting tubular gas flow enhancing nozzle
    • H01H33/7053—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by a conducting tubular gas flow enhancing nozzle having a bridging element around two hollow tubular contacts
    • 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
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
    • H01H33/91—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the arc-extinguishing fluid being air or gas

Landscapes

  • Circuit Breakers (AREA)
EP24210281.2A 2024-10-31 2024-10-31 Schutzschalter Pending EP4738416A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP24210281.2A EP4738416A1 (de) 2024-10-31 2024-10-31 Schutzschalter
PCT/EP2025/081427 WO2026093467A1 (en) 2024-10-31 2025-10-30 Circuit-breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP24210281.2A EP4738416A1 (de) 2024-10-31 2024-10-31 Schutzschalter

Publications (1)

Publication Number Publication Date
EP4738416A1 true EP4738416A1 (de) 2026-05-06

Family

ID=93376435

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24210281.2A Pending EP4738416A1 (de) 2024-10-31 2024-10-31 Schutzschalter

Country Status (2)

Country Link
EP (1) EP4738416A1 (de)
WO (1) WO2026093467A1 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013153110A1 (en) * 2012-04-11 2013-10-17 Abb Technology Ag Circuit breaker
US11764012B2 (en) * 2019-03-19 2023-09-19 Kabushiki Kaisha Toshiba Gas circuit breaker
KR20240150898A (ko) * 2023-04-10 2024-10-17 에이치디현대일렉트릭 주식회사 가스절연 차단기의 노즐장치

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1916684A1 (de) * 2006-10-23 2008-04-30 Abb Research Ltd. Gasisolierter Hochspannungsleistungsschalter
FR2922679A1 (fr) * 2008-04-15 2009-04-24 Areva T & D Sa Chambre de coupure de disjoncteur a la tenue en tension transitoire de retablissement amelioree.
EP3039703B1 (de) * 2013-08-28 2018-05-02 ABB Schweiz AG Gasisolierter hochspannungsschalter
WO2018158440A1 (en) * 2017-03-02 2018-09-07 Abb Schweiz Ag High-voltage circuit breaker with improved robustness

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013153110A1 (en) * 2012-04-11 2013-10-17 Abb Technology Ag Circuit breaker
US11764012B2 (en) * 2019-03-19 2023-09-19 Kabushiki Kaisha Toshiba Gas circuit breaker
KR20240150898A (ko) * 2023-04-10 2024-10-17 에이치디현대일렉트릭 주식회사 가스절연 차단기의 노즐장치

Also Published As

Publication number Publication date
WO2026093467A1 (en) 2026-05-07

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Legal Events

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