EP4383305A4 - VACUUM CIRCUIT BREAKER - Google Patents

VACUUM CIRCUIT BREAKER

Info

Publication number
EP4383305A4
EP4383305A4 EP22853211.5A EP22853211A EP4383305A4 EP 4383305 A4 EP4383305 A4 EP 4383305A4 EP 22853211 A EP22853211 A EP 22853211A EP 4383305 A4 EP4383305 A4 EP 4383305A4
Authority
EP
European Patent Office
Prior art keywords
circuit breaker
vacuum circuit
vacuum
breaker
circuit
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
EP22853211.5A
Other languages
German (de)
French (fr)
Other versions
EP4383305A1 (en
Inventor
Minkyu Seo
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.)
LS Electric Co Ltd
Original Assignee
LS Electric Co 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 LS Electric Co Ltd filed Critical LS Electric Co Ltd
Publication of EP4383305A1 publication Critical patent/EP4383305A1/en
Publication of EP4383305A4 publication Critical patent/EP4383305A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/0062—Testing or measuring non-electrical properties of switches, e.g. contact velocity
    • 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
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/0015—Means for testing or for inspecting contacts, e.g. wear indicator
    • 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
    • H01H33/42—Driving mechanisms
    • 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
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
    • H01H33/6661—Combination with other type of switch, e.g. for load break switches
    • 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
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
    • H01H2033/6667—Details concerning lever type driving rod arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/04—Means for indicating condition of the switching device
    • H01H2071/044—Monitoring, detection or measuring systems to establish the end of life of the switching device, can also contain other on-line monitoring systems, e.g. for detecting mechanical failures
    • 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
    • H01H33/66—Vacuum switches
    • H01H33/662—Housings or protective screens
    • H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Gas-Insulated Switchgears (AREA)
EP22853211.5A 2021-08-06 2022-01-04 VACUUM CIRCUIT BREAKER Pending EP4383305A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020210104064A KR102608744B1 (en) 2021-08-06 2021-08-06 Vacuum circuit breaker
PCT/KR2022/000077 WO2023013830A1 (en) 2021-08-06 2022-01-04 Vacuum circuit breaker

Publications (2)

Publication Number Publication Date
EP4383305A1 EP4383305A1 (en) 2024-06-12
EP4383305A4 true EP4383305A4 (en) 2025-07-16

Family

ID=85156047

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22853211.5A Pending EP4383305A4 (en) 2021-08-06 2022-01-04 VACUUM CIRCUIT BREAKER

Country Status (4)

Country Link
EP (1) EP4383305A4 (en)
KR (1) KR102608744B1 (en)
CN (1) CN117693799A (en)
WO (1) WO2023013830A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160225543A1 (en) * 2014-11-13 2016-08-04 Eaton Corporation Mechanical Wear, Wipe and Stroke Measurement System for Circuit Breakers
KR20200100406A (en) * 2019-02-18 2020-08-26 엘에스일렉트릭(주) Monitoring device of contacting point for a vacuum circuit breaker and vacuum circuit breaker having it

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101522267B1 (en) * 2013-11-06 2015-05-21 엘에스산전 주식회사 Circuit breaker
KR102433208B1 (en) * 2017-10-20 2022-08-18 한국전력공사 Vacuum circuit breaker equipped with a function of realtime monitoring and the monitoring method
KR101979248B1 (en) * 2018-12-18 2019-05-16 이운우 Vacuum circuit breaker in-out system with interlock device
KR102789056B1 (en) * 2020-01-13 2025-03-28 엘에스일렉트릭(주) Vacuum circuit breaker

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160225543A1 (en) * 2014-11-13 2016-08-04 Eaton Corporation Mechanical Wear, Wipe and Stroke Measurement System for Circuit Breakers
KR20200100406A (en) * 2019-02-18 2020-08-26 엘에스일렉트릭(주) Monitoring device of contacting point for a vacuum circuit breaker and vacuum circuit breaker having it

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023013830A1 *

Also Published As

Publication number Publication date
WO2023013830A1 (en) 2023-02-09
KR20230021975A (en) 2023-02-14
KR102608744B1 (en) 2023-12-01
CN117693799A (en) 2024-03-12
EP4383305A1 (en) 2024-06-12

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Legal Events

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Effective date: 20240212

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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

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20250617

RIC1 Information provided on ipc code assigned before grant

Ipc: H01H 33/666 20060101AFI20250611BHEP

Ipc: H01H 33/42 20060101ALI20250611BHEP

Ipc: H01H 11/00 20060101ALI20250611BHEP

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Ipc: H01H 71/04 20060101ALN20250611BHEP