GB202102981D0 - Overcurrent relay - Google Patents

Overcurrent relay

Info

Publication number
GB202102981D0
GB202102981D0 GBGB2102981.4A GB202102981A GB202102981D0 GB 202102981 D0 GB202102981 D0 GB 202102981D0 GB 202102981 A GB202102981 A GB 202102981A GB 202102981 D0 GB202102981 D0 GB 202102981D0
Authority
GB
United Kingdom
Prior art keywords
overcurrent relay
overcurrent
relay
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.)
Granted
Application number
GBGB2102981.4A
Other versions
GB2593052B (en
GB2593052A (en
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 GB202102981D0 publication Critical patent/GB202102981D0/en
Publication of GB2593052A publication Critical patent/GB2593052A/en
Application granted granted Critical
Publication of GB2593052B publication Critical patent/GB2593052B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • 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
    • H01H33/59—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the ac cycle
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/175—Indicating the instants of passage of current or voltage through a given value, e.g. passage through zero
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • H02H3/06—Details with automatic reconnection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)
GB2102981.4A 2018-09-10 2018-09-10 Overcurrent relay Device Active GB2593052B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/033370 WO2020053918A1 (en) 2018-09-10 2018-09-10 Overcurrent relay

Publications (3)

Publication Number Publication Date
GB202102981D0 true GB202102981D0 (en) 2021-04-14
GB2593052A GB2593052A (en) 2021-09-15
GB2593052B GB2593052B (en) 2022-06-22

Family

ID=67390290

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2102981.4A Active GB2593052B (en) 2018-09-10 2018-09-10 Overcurrent relay Device

Country Status (4)

Country Link
JP (1) JP6548841B1 (en)
KR (1) KR102611859B1 (en)
GB (1) GB2593052B (en)
WO (1) WO2020053918A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102647481B1 (en) * 2021-06-14 2024-03-13 한국수력원자력 주식회사 Breaker failure protection relay for generator circuit breaker and breaker failure protection method using thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59169543U (en) * 1983-04-28 1984-11-13 日新電機株式会社 overcurrent relay
JP2001177977A (en) * 1999-12-20 2001-06-29 Meidensha Corp Digital protective relay
KR200196865Y1 (en) * 2000-04-26 2000-09-15 엘지산전주식회사 Switching device for fused potential transformer
KR100343122B1 (en) * 2000-07-18 2002-07-05 김철환 Adaptive reclosing method using variable dead time control on transmission lines
JP5436334B2 (en) * 2010-05-24 2014-03-05 三菱電機株式会社 Overcurrent relay
JP5546471B2 (en) * 2011-01-31 2014-07-09 三菱電機株式会社 Overcurrent relay
JP7187379B2 (en) * 2019-04-25 2022-12-12 ミドリ電子株式会社 INSULATION MONITORING DEVICE, ACCURACY TESTING DEVICE FOR INSULATION MONITORING DEVICE, ACCURACY TESTING METHOD AND PROGRAM FOR INSULATION MONITORING DEVICE

Also Published As

Publication number Publication date
WO2020053918A1 (en) 2020-03-19
KR20210039458A (en) 2021-04-09
GB2593052B (en) 2022-06-22
JPWO2020053918A1 (en) 2020-10-22
KR102611859B1 (en) 2023-12-11
JP6548841B1 (en) 2019-07-24
GB2593052A (en) 2021-09-15

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