EP4277057A4 - Gas-insulated switching device - Google Patents

Gas-insulated switching device Download PDF

Info

Publication number
EP4277057A4
EP4277057A4 EP21917458.8A EP21917458A EP4277057A4 EP 4277057 A4 EP4277057 A4 EP 4277057A4 EP 21917458 A EP21917458 A EP 21917458A EP 4277057 A4 EP4277057 A4 EP 4277057A4
Authority
EP
European Patent Office
Prior art keywords
gas
switching device
insulated switching
insulated
switching
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
EP21917458.8A
Other languages
German (de)
French (fr)
Other versions
EP4277057A1 (en
Inventor
Tadahiro Yoshida
Toshihiro Matsunaga
Koichi Kagawa
Yuta Nakayama
Hideki Miyatake
Kenji Onishi
Yoshiki Yoshioka
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP4277057A1 publication Critical patent/EP4277057A1/en
Publication of EP4277057A4 publication Critical patent/EP4277057A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/26—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch
    • H01H31/32—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with rectilinearly-movable contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
    • H01H1/52—Contacts adapted to act as latches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/38—Plug-and-socket 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
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
    • H01H33/121—Load break switches
EP21917458.8A 2021-01-07 2021-01-07 Gas-insulated switching device Pending EP4277057A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/000291 WO2022149231A1 (en) 2021-01-07 2021-01-07 Gas-insulated switching device

Publications (2)

Publication Number Publication Date
EP4277057A1 EP4277057A1 (en) 2023-11-15
EP4277057A4 true EP4277057A4 (en) 2024-02-14

Family

ID=82358117

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21917458.8A Pending EP4277057A4 (en) 2021-01-07 2021-01-07 Gas-insulated switching device

Country Status (4)

Country Link
EP (1) EP4277057A4 (en)
JP (1) JP7391245B2 (en)
TW (1) TWI772042B (en)
WO (1) WO2022149231A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5454Y2 (en) * 1977-12-21 1979-01-05
JPH08306278A (en) * 1995-05-10 1996-11-22 Sumitomo Wiring Syst Ltd Contact structure for circuit breaker
JP5179278B2 (en) 2008-07-23 2013-04-10 三菱電機株式会社 Switch

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *

Also Published As

Publication number Publication date
WO2022149231A1 (en) 2022-07-14
JPWO2022149231A1 (en) 2022-07-14
TWI772042B (en) 2022-07-21
EP4277057A1 (en) 2023-11-15
JP7391245B2 (en) 2023-12-04
TW202228173A (en) 2022-07-16

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