KR910013140U - Earth leakage circuit breaker protection circuit - Google Patents

Earth leakage circuit breaker protection circuit

Info

Publication number
KR910013140U
KR910013140U KR2019890019578U KR890019578U KR910013140U KR 910013140 U KR910013140 U KR 910013140U KR 2019890019578 U KR2019890019578 U KR 2019890019578U KR 890019578 U KR890019578 U KR 890019578U KR 910013140 U KR910013140 U KR 910013140U
Authority
KR
South Korea
Prior art keywords
earth leakage
breaker protection
circuit
circuit breaker
protection circuit
Prior art date
Application number
KR2019890019578U
Other languages
Korean (ko)
Other versions
KR920000250Y1 (en
Inventor
이철희
Original Assignee
등우산업 주식회사
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 등우산업 주식회사 filed Critical 등우산업 주식회사
Priority to KR2019890019578U priority Critical patent/KR920000250Y1/en
Publication of KR910013140U publication Critical patent/KR910013140U/en
Application granted granted Critical
Publication of KR920000250Y1 publication Critical patent/KR920000250Y1/en

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
    • H02H3/12—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 underload or no-load
    • H02H3/13—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 underload or no-load for multiphase applications, e.g. phase interruption
    • 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
    • H02H3/16—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 fault current to earth, frame or mass
    • H02H3/162—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 fault current to earth, frame or mass for ac systems
    • H02H3/165—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 fault current to earth, frame or mass for ac systems for three-phase systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
KR2019890019578U 1989-12-22 1989-12-22 Power circuit KR920000250Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019890019578U KR920000250Y1 (en) 1989-12-22 1989-12-22 Power circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019890019578U KR920000250Y1 (en) 1989-12-22 1989-12-22 Power circuit

Publications (2)

Publication Number Publication Date
KR910013140U true KR910013140U (en) 1991-07-30
KR920000250Y1 KR920000250Y1 (en) 1992-01-15

Family

ID=19293710

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019890019578U KR920000250Y1 (en) 1989-12-22 1989-12-22 Power circuit

Country Status (1)

Country Link
KR (1) KR920000250Y1 (en)

Also Published As

Publication number Publication date
KR920000250Y1 (en) 1992-01-15

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
NORF Unpaid initial registration fee