GB2017434B - Earth leakage protection - Google Patents

Earth leakage protection

Info

Publication number
GB2017434B
GB2017434B GB7903846A GB7903846A GB2017434B GB 2017434 B GB2017434 B GB 2017434B GB 7903846 A GB7903846 A GB 7903846A GB 7903846 A GB7903846 A GB 7903846A GB 2017434 B GB2017434 B GB 2017434B
Authority
GB
United Kingdom
Prior art keywords
earth leakage
leakage protection
protection
earth
leakage
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.)
Expired
Application number
GB7903846A
Other versions
GB2017434A (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.)
Felten and Guilleaume Carlswerk AG
Original Assignee
Felten and Guilleaume Carlswerk AG
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 Felten and Guilleaume Carlswerk AG filed Critical Felten and Guilleaume Carlswerk AG
Publication of GB2017434A publication Critical patent/GB2017434A/en
Application granted granted Critical
Publication of GB2017434B publication Critical patent/GB2017434B/en
Expired legal-status Critical Current

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
    • H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/33—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
    • H02H3/332—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers with means responsive to dc component in the fault current

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Breakers (AREA)
  • Protection Of Transformers (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
GB7903846A 1978-02-02 1979-02-02 Earth leakage protection Expired GB2017434B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU78992A LU78992A1 (en) 1978-02-02 1978-02-02 FAULT CIRCUIT BREAKER

Publications (2)

Publication Number Publication Date
GB2017434A GB2017434A (en) 1979-10-03
GB2017434B true GB2017434B (en) 1982-05-26

Family

ID=19728833

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7903846A Expired GB2017434B (en) 1978-02-02 1979-02-02 Earth leakage protection

Country Status (9)

Country Link
AT (1) ATA19179A (en)
BE (1) BE873454A (en)
DE (1) DE2851381C2 (en)
DK (1) DK43479A (en)
ES (1) ES476787A1 (en)
FR (1) FR2416580A1 (en)
GB (1) GB2017434B (en)
IT (1) IT1164957B (en)
LU (1) LU78992A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57142568A (en) * 1981-02-27 1982-09-03 Hitachi Ltd Earth trouble detecting device for dc power transmission system
DE3567994D1 (en) * 1984-07-06 1989-03-02 Siemens Ag Differential current protective interrupter
EP0183957B1 (en) * 1984-11-07 1989-05-24 Siemens Aktiengesellschaft Differential current protection interrupter
AT383906B (en) * 1985-04-16 1987-09-10 Cti Ges Zur Pruefung Elektrote Fault current protection switch for fault change and fault current
WO1986006563A1 (en) * 1985-05-02 1986-11-06 Brown, Boveri & Cie Aktiengesellschaft Fault-current protection switch for a.c. and d.c. fault currents without energy storage
DE3543948A1 (en) * 1985-12-12 1987-06-19 Siemens Ag Arrangement for detecting fault currents
EP0349880A1 (en) * 1988-07-07 1990-01-10 Siemens Aktiengesellschaft Fault current protection device
US20060073470A1 (en) * 2002-05-30 2006-04-06 Naohiro Noda Method of counting microorganisms or cells
WO2004095667A1 (en) * 2003-04-22 2004-11-04 Bansik Aps Electronic circuit breaker
DE102004024100A1 (en) * 2004-05-14 2005-12-15 Siemens Ag Test device for earth leakage circuit breaker, functions with test voltage differing from supply voltage of supply network
DE102013200803A1 (en) 2013-01-18 2014-08-07 Siemens Aktiengesellschaft Device for protecting AC supply against direct current fault current e.g. smooth direct current, has fault current generator coupled to circuit breaker and sensing unit and generating change current dependant on detection of fault current
DE102018121320A1 (en) * 2018-08-31 2020-03-05 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Method for controlling a charging device and charging device external to the vehicle
CN116106522B (en) * 2023-04-11 2023-09-08 深圳市帝迈生物技术有限公司 Blood analysis device
US12009742B1 (en) 2023-07-10 2024-06-11 General Electric Company Fault current mitigation for an electrical power conversion system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT235934B (en) * 1961-03-01 1964-09-25 Schutzapparate Paris & Co Circuit breaker using a residual current circuit breaker with summation current transformer
CH505391A (en) * 1968-12-03 1971-03-31 Weber Ag Fabrik Elektrotechn A Device for monitoring current differences in an electrical system
US3786356A (en) * 1972-06-30 1974-01-15 Federal Pacific Electric Co Ground fault detector
DE2429446A1 (en) * 1974-06-19 1976-01-02 Siemens Ag ADDITIONAL PART FOR FAULT CURRENT CIRCUIT BREAKERS FOR NIGHTLY RETROFITTING
CH607057A5 (en) * 1975-03-03 1978-11-30 Bbc Brown Boveri & Cie
DE2555303C3 (en) * 1975-12-09 1982-03-04 Brown, Boveri & Cie Ag, 6800 Mannheim Residual current circuit arrangement
DE2555255C3 (en) * 1975-12-09 1979-09-27 Brown, Boveri & Cie Ag, 6800 Mannheim Device for recording fault currents

Also Published As

Publication number Publication date
DE2851381A1 (en) 1979-08-09
BE873454A (en) 1979-05-02
IT1164957B (en) 1987-04-22
DE2851381C2 (en) 1983-12-08
FR2416580A1 (en) 1979-08-31
LU78992A1 (en) 1979-09-06
IT7919329A0 (en) 1979-01-16
ES476787A1 (en) 1979-06-01
DK43479A (en) 1979-08-03
ATA19179A (en) 1983-02-15
GB2017434A (en) 1979-10-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee