DK146400C - Fejlstroemsbeskyttelsesafbryder, som ogsaa reagerer paa jaevnstroemsfejlstroemme - Google Patents

Fejlstroemsbeskyttelsesafbryder, som ogsaa reagerer paa jaevnstroemsfejlstroemme

Info

Publication number
DK146400C
DK146400C DK126980A DK126980A DK146400C DK 146400 C DK146400 C DK 146400C DK 126980 A DK126980 A DK 126980A DK 126980 A DK126980 A DK 126980A DK 146400 C DK146400 C DK 146400C
Authority
DK
Denmark
Prior art keywords
excitation
tripping device
fault current
magnetic
oscillator
Prior art date
Application number
DK126980A
Other languages
English (en)
Other versions
DK146400B (da
DK126980A (da
Inventor
Shouichi Yamaki
Original Assignee
Fuji Electric Co Ltd
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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Publication of DK126980A publication Critical patent/DK126980A/da
Publication of DK146400B publication Critical patent/DK146400B/da
Application granted granted Critical
Publication of DK146400C publication Critical patent/DK146400C/da

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)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Breakers (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Medicinal Preparation (AREA)
DK126980A 1979-03-26 1980-03-25 Fejlstroemsbeskyttelsesafbryder, som ogsaa reagerer paa jaevnstroemsfejlstroemme DK146400C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3527079A JPS55127826A (en) 1979-03-26 1979-03-26 Leakage breaker
JP3527079 1979-03-26

Publications (3)

Publication Number Publication Date
DK126980A DK126980A (da) 1980-09-27
DK146400B DK146400B (da) 1983-09-26
DK146400C true DK146400C (da) 1984-03-26

Family

ID=12437092

Family Applications (1)

Application Number Title Priority Date Filing Date
DK126980A DK146400C (da) 1979-03-26 1980-03-25 Fejlstroemsbeskyttelsesafbryder, som ogsaa reagerer paa jaevnstroemsfejlstroemme

Country Status (9)

Country Link
EP (1) EP0016458B1 (da)
JP (1) JPS55127826A (da)
AT (1) ATE2986T1 (da)
DE (1) DE3062581D1 (da)
DK (1) DK146400C (da)
ES (1) ES8103882A1 (da)
FI (1) FI68934C (da)
GR (1) GR67252B (da)
NO (1) NO152394C (da)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2509089B1 (fr) * 1981-07-06 1986-04-18 Merlin Gerin Dispositif de protection differentielle a haute sensibilite pour la detection de courants de defaut phase ou neutre a la terre
AT383906B (de) * 1985-04-16 1987-09-10 Cti Ges Zur Pruefung Elektrote Fehlerstromschutzschalter fuer fehlerwechselund fehlergleichstroeme
GB8913633D0 (en) * 1989-06-14 1989-08-02 Electrolux Northern Electromagnetic actuator arrangement
GB9006834D0 (en) * 1990-03-27 1990-05-23 Watson Michael Cable coupling transformer
DE19523967A1 (de) * 1995-06-30 1997-01-02 Kopp Heinrich Ag Fehlerstromschutzschalter
FI110081B (fi) * 1996-02-09 2002-11-29 Metso Paper Inc Sovitelma paperirullien kuljettamiseen
DE29705030U1 (de) * 1997-03-19 1998-07-23 Siemens AG, 80333 München Fehlerstromschutzschalter für Allstrom
DE102010034001A1 (de) 2010-08-11 2012-02-16 Siemens Aktiengesellschaft Anordnung zur Erfassung und Abschaltung von Gleichfehlerströmen und gleichstromsensitiver Fehlerstromschutzschalter
CN105785095A (zh) * 2016-04-21 2016-07-20 中车青岛四方机车车辆股份有限公司 一种恒定幅值直流脉冲信号测量电路及其消磁方法
JP6697745B2 (ja) * 2016-11-29 2020-05-27 パナソニックＩｐマネジメント株式会社 直流漏電検出装置、漏電検出装置
DE102017217411A1 (de) * 2017-09-29 2019-04-04 Siemens Aktiengesellschaft Fehlerstromschutzschalter
DE102018200714B4 (de) * 2018-01-17 2023-07-06 Siemens Aktiengesellschaft Fehlerstromschutzschalter und Verfahren

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE971476C (de) * 1953-03-07 1959-02-05 Berker Geb Elektrischer Selbstschalter mit Fehlerstromausloesung
FR1365154A (fr) * 1963-08-05 1964-06-26 Baldwin & Francis Ltd Perfectionnements aux dispositifs de protection contre les fuites et défauts à la terre
CH505391A (de) * 1968-12-03 1971-03-31 Weber Ag Fabrik Elektrotechn A Einrichtung zur Überwachung von Stromdifferenzen in einer elektrischen Anlage
US3786356A (en) * 1972-06-30 1974-01-15 Federal Pacific Electric Co Ground fault detector
DE2421747A1 (de) * 1974-05-06 1975-11-20 Bbc Brown Boveri & Cie Fehlerstromschutzschaltung
JPS5184048A (ja) * 1975-01-20 1976-07-23 Inoue Electric Mfg Chokuryufuiidanochirakukenshutsusochi
FR2321208A1 (fr) * 1975-08-11 1977-03-11 Saparel Systemes differentiels de protection

Also Published As

Publication number Publication date
NO152394C (no) 1985-09-18
FI68934B (fi) 1985-07-31
FI68934C (fi) 1985-11-11
FI800939A (fi) 1980-09-27
EP0016458A1 (de) 1980-10-01
NO800845L (no) 1980-09-29
ES489893A0 (es) 1981-03-16
EP0016458B1 (de) 1983-04-06
GR67252B (da) 1981-06-25
ES8103882A1 (es) 1981-03-16
DE3062581D1 (en) 1983-05-11
JPS55127826A (en) 1980-10-03
DK146400B (da) 1983-09-26
NO152394B (no) 1985-06-10
DK126980A (da) 1980-09-27
ATE2986T1 (de) 1983-04-15

Similar Documents

Publication Publication Date Title
DK146400C (da) Fejlstroemsbeskyttelsesafbryder, som ogsaa reagerer paa jaevnstroemsfejlstroemme
GB1450743A (en) Ring trip arrangement
GB1517352A (en) Ground fault circuit interrupter
JPS5687115A (en) Switching power source
FR2321208A1 (fr) Systemes differentiels de protection
DK334181A (da) Fejlstroemsbeskyttelsesafbryder som reagerer paa fejlstroemme med jaevnstroemskomponenter
ES454612A1 (es) Un interruptor de proteccion contra corriente por averia.
KR830008440A (ko) 회로차단기
SE8001097L (sv) Differentialskyddsanordning
DK26783A (da) Fejlstroemsbeskyttelsesafbryder, der reagerer paa fejlstroemme med jaevnstroemskomponenter
GB1004594A (en) Improvements in and relating to electrical transformers and the operation thereof
GB971681A (en) Single-phase welding transformers
FR2326028A1 (fr) Disjoncteur de courant de fuite thermiquement protege
SU904071A1 (ru) Устройство дл поперечной дифференциальной защиты параллельных линий электропередачи
SU1112474A1 (ru) Устройство дл дифференциальной защиты трехфазного электродвигател
GB920156A (en) Improvements in or relating to an electric circuit breaker arrangement
GB968517A (en) Improvements relating to transductors
SU107559A1 (ru) Дифференциальна защита трансформаторов
SU555493A1 (ru) Способ защиты синхронного генератора от внутренних коротких замыканий в обмотке кор и устройство дл его осуществлени
JPS57151865A (en) Abnormal current detecting device
JPS6477479A (en) Inverter circuit
GB817878A (en) Improvements relating to earth fault protection for electrical equipment
JPS5383054A (en) Switching type stabilized power unit
GB858332A (en) Improvements in and relating to electrical protective relay devices and protective relay systems incorporating such devices
GB743988A (en) Improvements in and relating to electrical relays

Legal Events

Date Code Title Description
PBP Patent lapsed
PUP Patent expired