GB2593052B - Overcurrent relay Device - Google Patents

Overcurrent relay Device Download PDF

Info

Publication number
GB2593052B
GB2593052B GB2102981.4A GB202102981A GB2593052B GB 2593052 B GB2593052 B GB 2593052B GB 202102981 A GB202102981 A GB 202102981A GB 2593052 B GB2593052 B GB 2593052B
Authority
GB
United Kingdom
Prior art keywords
relay device
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.)
Active
Application number
GB2102981.4A
Other versions
GB2593052A (en
GB202102981D0 (en
Inventor
Murata Kazuma
Oda Shigetoo
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 GB202102981D0 (en) 2021-04-14
GB2593052A GB2593052A (en) 2021-09-15
GB2593052B true 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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001177977A (en) * 1999-12-20 2001-06-29 Meidensha Corp Digital protective relay
JP2004064957A (en) * 2000-07-18 2004-02-26 Sungkyunkwan Univ Adaptive reclosing method utilizing variable dead time control in transmission line
JP2011250518A (en) * 2010-05-24 2011-12-08 Mitsubishi Electric Corp Overcurrent relay
JP2012161132A (en) * 2011-01-31 2012-08-23 Mitsubishi Electric Corp Overcurrent relay

Family Cites Families (3)

* 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
KR200196865Y1 (en) * 2000-04-26 2000-09-15 엘지산전주식회사 Switching device for fused potential transformer
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001177977A (en) * 1999-12-20 2001-06-29 Meidensha Corp Digital protective relay
JP2004064957A (en) * 2000-07-18 2004-02-26 Sungkyunkwan Univ Adaptive reclosing method utilizing variable dead time control in transmission line
JP2011250518A (en) * 2010-05-24 2011-12-08 Mitsubishi Electric Corp Overcurrent relay
JP2012161132A (en) * 2011-01-31 2012-08-23 Mitsubishi Electric Corp Overcurrent relay

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Microfilm of the specification and drawings annexed to the rquest of Japanese Utility Model Application No. 64428/1983 (Laid-open No. 169543/1984) (NISSIN ELECTRIC CO., LTD.) 13 November 1984, entire text, fig.1,2 (Family: none) *

Also Published As

Publication number Publication date
JPWO2020053918A1 (en) 2020-10-22
KR20210039458A (en) 2021-04-09
GB2593052A (en) 2021-09-15
GB202102981D0 (en) 2021-04-14
WO2020053918A1 (en) 2020-03-19
JP6548841B1 (en) 2019-07-24
KR102611859B1 (en) 2023-12-11

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