KR930018845U - 선로고장상태를 판별하는 계전기 - Google Patents

선로고장상태를 판별하는 계전기

Info

Publication number
KR930018845U
KR930018845U KR2019920001238U KR920001238U KR930018845U KR 930018845 U KR930018845 U KR 930018845U KR 2019920001238 U KR2019920001238 U KR 2019920001238U KR 920001238 U KR920001238 U KR 920001238U KR 930018845 U KR930018845 U KR 930018845U
Authority
KR
South Korea
Prior art keywords
relay
line failure
failure status
determine line
status
Prior art date
Application number
KR2019920001238U
Other languages
English (en)
Other versions
KR0124957Y1 (ko
Inventor
황인삼
Original Assignee
엘지산전주식회사
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 엘지산전주식회사 filed Critical 엘지산전주식회사
Priority to KR2019920001238U priority Critical patent/KR0124957Y1/ko
Publication of KR930018845U publication Critical patent/KR930018845U/ko
Application granted granted Critical
Publication of KR0124957Y1 publication Critical patent/KR0124957Y1/ko

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/002—Monitoring or fail-safe circuits
    • 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
    • H02H3/40—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 ratio of voltage and current
    • 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
    • H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
KR2019920001238U 1992-01-28 1992-01-28 선로고장상태를 판별하는 계전기 KR0124957Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019920001238U KR0124957Y1 (ko) 1992-01-28 1992-01-28 선로고장상태를 판별하는 계전기

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019920001238U KR0124957Y1 (ko) 1992-01-28 1992-01-28 선로고장상태를 판별하는 계전기

Publications (2)

Publication Number Publication Date
KR930018845U true KR930018845U (ko) 1993-08-21
KR0124957Y1 KR0124957Y1 (ko) 1998-12-15

Family

ID=19328412

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019920001238U KR0124957Y1 (ko) 1992-01-28 1992-01-28 선로고장상태를 판별하는 계전기

Country Status (1)

Country Link
KR (1) KR0124957Y1 (ko)

Also Published As

Publication number Publication date
KR0124957Y1 (ko) 1998-12-15

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