KR101069637B1 - 과전류 보호 방법 및 그 장치 - Google Patents

과전류 보호 방법 및 그 장치 Download PDF

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Publication number
KR101069637B1
KR101069637B1 KR1020100092464A KR20100092464A KR101069637B1 KR 101069637 B1 KR101069637 B1 KR 101069637B1 KR 1020100092464 A KR1020100092464 A KR 1020100092464A KR 20100092464 A KR20100092464 A KR 20100092464A KR 101069637 B1 KR101069637 B1 KR 101069637B1
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KR
South Korea
Prior art keywords
failure
current
determining
reverse phase
voltage
Prior art date
Application number
KR1020100092464A
Other languages
English (en)
Korean (ko)
Inventor
정원욱
이학주
권성철
채우규
Original Assignee
한국전력공사
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.)
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Publication date
Application filed by 한국전력공사 filed Critical 한국전력공사
Priority to KR1020100092464A priority Critical patent/KR101069637B1/ko
Priority to PCT/KR2010/007349 priority patent/WO2012039526A1/fr
Application granted granted Critical
Publication of KR101069637B1 publication Critical patent/KR101069637B1/ko

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/16—Measuring asymmetry of polyphase networks
    • 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
    • H02H3/081—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 and depending on the direction

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)
KR1020100092464A 2010-09-20 2010-09-20 과전류 보호 방법 및 그 장치 KR101069637B1 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020100092464A KR101069637B1 (ko) 2010-09-20 2010-09-20 과전류 보호 방법 및 그 장치
PCT/KR2010/007349 WO2012039526A1 (fr) 2010-09-20 2010-10-26 Procédé et dispositif de protection contre les surintensités

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100092464A KR101069637B1 (ko) 2010-09-20 2010-09-20 과전류 보호 방법 및 그 장치

Publications (1)

Publication Number Publication Date
KR101069637B1 true KR101069637B1 (ko) 2011-10-04

Family

ID=45032222

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020100092464A KR101069637B1 (ko) 2010-09-20 2010-09-20 과전류 보호 방법 및 그 장치

Country Status (2)

Country Link
KR (1) KR101069637B1 (fr)
WO (1) WO2012039526A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170031564A (ko) * 2015-09-11 2017-03-21 한국전력공사 고장전류 방향판별 장치 및 그 방법
KR101997639B1 (ko) 2018-01-29 2019-07-08 피앤씨테크 주식회사 분산전원 연계 배전선로에서의 고장표시 관리 장치 및 그 방법
KR20200029870A (ko) * 2018-09-11 2020-03-19 주식회사 포스코 계전 장치 및 이를 포함하는 계전 시스템

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4063224B2 (ja) * 2004-01-20 2008-03-19 富士電機システムズ株式会社 過電流保護システム
JP4033136B2 (ja) * 2004-01-20 2008-01-16 富士電機システムズ株式会社 過電流保護システム
KR100558071B1 (ko) * 2004-03-19 2006-03-07 명지대학교 산학협력단 분산 전원이 연계된 변전소 모선 보호용 과전류 계전 방법
JP2005354881A (ja) * 2004-06-14 2005-12-22 Energy Support Corp 配電系統の保護装置及び配電系統の保護方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170031564A (ko) * 2015-09-11 2017-03-21 한국전력공사 고장전류 방향판별 장치 및 그 방법
KR102433163B1 (ko) * 2015-09-11 2022-08-18 한국전력공사 고장전류 방향판별 장치 및 그 방법
KR101997639B1 (ko) 2018-01-29 2019-07-08 피앤씨테크 주식회사 분산전원 연계 배전선로에서의 고장표시 관리 장치 및 그 방법
KR20200029870A (ko) * 2018-09-11 2020-03-19 주식회사 포스코 계전 장치 및 이를 포함하는 계전 시스템
KR102103936B1 (ko) 2018-09-11 2020-04-24 주식회사 포스코 계전 장치 및 이를 포함하는 계전 시스템

Also Published As

Publication number Publication date
WO2012039526A1 (fr) 2012-03-29

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