EP4277058A4 - SWITCHGEAR AND GAS-INSULATED SWITCHGEAR - Google Patents

SWITCHGEAR AND GAS-INSULATED SWITCHGEAR Download PDF

Info

Publication number
EP4277058A4
EP4277058A4 EP21917459.6A EP21917459A EP4277058A4 EP 4277058 A4 EP4277058 A4 EP 4277058A4 EP 21917459 A EP21917459 A EP 21917459A EP 4277058 A4 EP4277058 A4 EP 4277058A4
Authority
EP
European Patent Office
Prior art keywords
switchgear
gas
insulated
insulated switchgear
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
EP21917459.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4277058A1 (en
Inventor
Takahiro Mori
Tadahiro Yoshida
Toshihiro Matsunaga
Koichi Kagawa
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 EP4277058A1 publication Critical patent/EP4277058A1/en
Publication of EP4277058A4 publication Critical patent/EP4277058A4/en
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
    • H01H33/02—Details
    • H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
    • H01H33/40—Power arrangements internal to the switch for operating the driving mechanism using spring motor
    • 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
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/02—Details
    • H01H31/023—Base and stationary contacts mounted thereon
    • 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
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/64—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid wherein the break is in gas
EP21917459.6A 2021-01-07 2021-01-07 SWITCHGEAR AND GAS-INSULATED SWITCHGEAR Pending EP4277058A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/000292 WO2022149232A1 (ja) 2021-01-07 2021-01-07 開閉器及びガス絶縁開閉装置

Publications (2)

Publication Number Publication Date
EP4277058A1 EP4277058A1 (en) 2023-11-15
EP4277058A4 true EP4277058A4 (en) 2024-02-14

Family

ID=81255847

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21917459.6A Pending EP4277058A4 (en) 2021-01-07 2021-01-07 SWITCHGEAR AND GAS-INSULATED SWITCHGEAR

Country Status (4)

Country Link
EP (1) EP4277058A4 (ja)
JP (1) JP7046272B1 (ja)
TW (1) TWI798927B (ja)
WO (1) WO2022149232A1 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3348001A (en) * 1965-07-26 1967-10-17 Westinghouse Electric Corp Electric distribution system
JP2010027479A (ja) * 2008-07-23 2010-02-04 Mitsubishi Electric Corp 開閉器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6025792Y2 (ja) * 1978-09-07 1985-08-02 株式会社明電舎 励磁電流開閉用断路器
JP5980103B2 (ja) * 2012-11-21 2016-08-31 三菱電機株式会社 ガス絶縁開閉装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3348001A (en) * 1965-07-26 1967-10-17 Westinghouse Electric Corp Electric distribution system
JP2010027479A (ja) * 2008-07-23 2010-02-04 Mitsubishi Electric Corp 開閉器

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022149232A1 *

Also Published As

Publication number Publication date
TWI798927B (zh) 2023-04-11
TW202228174A (zh) 2022-07-16
JP7046272B1 (ja) 2022-04-01
WO2022149232A1 (ja) 2022-07-14
JPWO2022149232A1 (ja) 2022-07-14
EP4277058A1 (en) 2023-11-15

Similar Documents

Publication Publication Date Title
EP4010946A4 (en) SYSTEMS AND METHODS FOR ELECTRICAL GROUNDING SYSTEMS
EP4131680A4 (en) GAS ISOLATED MANUAL TRANSMISSION
EP4064311A4 (en) CIRCUIT BREAKERS AND CONTACTORS
EP3910659A4 (en) CIRCUIT BREAKER AND POWER DISTRIBUTION SYSTEM
EP4138108A4 (en) CIRCUIT BREAKER
EP4138106A4 (en) SWITCHGEAR AND POWER CONVERTER
EP3963682A4 (en) INSULATION SUPPORT DEVICE AND GAS INSULATED TRANSMISSION LINE
EP4105961A4 (en) CIRCUIT BREAKER
EP4099522A4 (en) GAS ISOLATED MANUAL TRANSMISSION
EP4318835A4 (en) SOLID INSULATED BUS AND GAS-INSULATED SWITCHGEAR EQUIPPED THEREWITH
EP3866284A4 (en) GAS-INSULATED MANUAL GEARBOX
EP4277058A4 (en) SWITCHGEAR AND GAS-INSULATED SWITCHGEAR
EP3966842A4 (en) EARTHING SWITCH FOR SWITCHGEAR AND SWITCHGEAR
EP3288050A4 (en) Potential transformer isolating device and gas-insulated switchgear
EP4261865A4 (en) DIRECT CURRENT CIRCUIT BREAKER AND DIRECT CURRENT CIRCUIT BREAKER SYSTEM
EP4100981A4 (en) DISCONNECTOR FOR A SWITCHGEAR
EP3975352A4 (en) FRAME FOR SUBSTATION
EP4336686A4 (en) GAS-INSULATED SWITCHGEAR
EP3912238A4 (en) SUPPORTING MECHANISM FOR A BUSBAR AND SWITCHGEAR
EP4138237A4 (en) GAS-INSULATED SWITCHGEAR
EP4122065A4 (en) SWITCHGEAR AND SWITCHGEAR ASSEMBLY
EP4181166A4 (en) CIRCUIT BREAKER
EP4064312A4 (en) CONTACTOR AND ELECTRICAL CONTROL CABINET INCLUDING THE CONTACTOR
EP4138107A4 (en) CIRCUIT BREAKER
EP4123679A4 (en) ARC EXTINGUISHING ASSEMBLY AND CIRCUIT BREAKER INCLUDING SAME

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20230424

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Free format text: PREVIOUS MAIN CLASS: H02B0013035000

Ipc: H01H0031020000

A4 Supplementary search report drawn up and despatched

Effective date: 20240116

RIC1 Information provided on ipc code assigned before grant

Ipc: H01H 33/40 20060101ALI20240111BHEP

Ipc: H01H 31/32 20060101ALI20240111BHEP

Ipc: H02B 13/035 20060101ALI20240111BHEP

Ipc: H01H 31/02 20060101AFI20240111BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)