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GB1369817A - Earth leakage protective arrangement - Google Patents

Earth leakage protective arrangement

Info

Publication number
GB1369817A
GB1369817A GB4198471A GB4198471A GB1369817A GB 1369817 A GB1369817 A GB 1369817A GB 4198471 A GB4198471 A GB 4198471A GB 4198471 A GB4198471 A GB 4198471A GB 1369817 A GB1369817 A GB 1369817A
Authority
GB
United Kingdom
Prior art keywords
earth leakage
core
sept
coil
leakage protective
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
GB4198471A
Other languages
English (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.)
Siemens Corp
Original Assignee
Siemens Corp
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
Priority claimed from DE19702044302 external-priority patent/DE2044302B2/de
Application filed by Siemens Corp filed Critical Siemens Corp
Publication of GB1369817A publication Critical patent/GB1369817A/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H01F27/25—Magnetic cores made from strips or ribbons
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20—Instruments transformers
    • H01F38/22—Instruments transformers for single phase AC
    • H01F38/28—Current transformers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
    • H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
    • 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)
  • Breakers (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Generators And Motors (AREA)
  • Protection Of Transformers (AREA)
GB4198471A 1970-09-08 1971-09-08 Earth leakage protective arrangement Expired GB1369817A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19702044302 DE2044302B2 (de) 1970-09-08 1970-09-08 Fehlerstromschutzschalter
DE2062694A DE2062694B2 (de) 1970-09-08 1970-12-19 Fehlerstromschutzschalter

Publications (1)

Publication Number Publication Date
GB1369817A true GB1369817A (en) 1974-10-09

Family

ID=25759694

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4198471A Expired GB1369817A (en) 1970-09-08 1971-09-08 Earth leakage protective arrangement

Country Status (8)

Country Link
JP (2) JPS476429A (de)
AT (1) AT315949B (de)
BE (1) BE847794Q (de)
CH (1) CH538773A (de)
DE (1) DE2062694B2 (de)
DK (1) DK142664C (de)
FR (1) FR2106374B1 (de)
GB (1) GB1369817A (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2520164A1 (fr) * 1982-01-19 1983-07-22 Merlin Gerin Dispositif de declenchement differentiel a propre courant
CN104521088A (zh) * 2012-07-05 2015-04-15 黑格电子股份有限公司 差动保护设备
EP3242369A1 (de) * 2016-04-28 2017-11-08 LSIS Co., Ltd. Auslösungssteuerungsschaltung für schutzschalter zum erkennen von ac und/oder dc
CN107658092A (zh) * 2016-07-25 2018-02-02 施耐德电气工业公司 铁氧体磁芯、电流互感器以及漏电保护开关

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU78600A1 (de) * 1977-11-28 1979-06-13 Gath N Fehlerstromschutzschalter
US4366520A (en) * 1981-03-25 1982-12-28 Magnetic Metals Corporation Differential transformer core for pulse currents
DE3202320A1 (de) * 1982-01-26 1983-07-28 Siemens AG, 1000 Berlin und 8000 München Fehlerstromschutzschalter, der auf fehlerstroeme mit gleichstromkomponenten anspricht
DE3244670A1 (de) * 1982-12-02 1984-06-07 Siemens AG, 1000 Berlin und 8000 München Fehlerstromschutzschalter
US4622846A (en) * 1985-11-05 1986-11-18 Halliburton Company Consistency and static gel strength measuring device and method
FR2653610B1 (fr) * 1989-10-25 1991-12-27 Etude Realisa Disjoncteurs Interrupteur differentiel selectif a courant de defaut.
DE19907320C2 (de) * 1999-02-20 2001-03-08 Aloys Wobben Ringkern und dessen Verwendung
JPWO2020095555A1 (ja) * 2018-11-08 2021-09-24 Tdk株式会社 電磁誘導型発電装置

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2520164A1 (fr) * 1982-01-19 1983-07-22 Merlin Gerin Dispositif de declenchement differentiel a propre courant
CN104521088A (zh) * 2012-07-05 2015-04-15 黑格电子股份有限公司 差动保护设备
CN104521088B (zh) * 2012-07-05 2017-05-31 黑格电子股份有限公司 差动保护设备
EP3242369A1 (de) * 2016-04-28 2017-11-08 LSIS Co., Ltd. Auslösungssteuerungsschaltung für schutzschalter zum erkennen von ac und/oder dc
US10483751B2 (en) 2016-04-28 2019-11-19 Lsis Co., Ltd. Trip control circuit for circuit breaker
CN107658092A (zh) * 2016-07-25 2018-02-02 施耐德电气工业公司 铁氧体磁芯、电流互感器以及漏电保护开关
GB2553908A (en) * 2016-07-25 2018-03-21 Schneider Electric Ind Sas Ferrite core, current mutual inductor and current leakage protection switch
RU2738254C2 (ru) * 2016-07-25 2020-12-11 Шнейдер Электрик Эндюстри Сас Ферритовый сердечник, токовая катушка взаимоиндуктивности и выключатель защиты от токов утечки

Also Published As

Publication number Publication date
BE847794Q (fr) 1977-02-14
DK142664C (da) 1981-09-14
FR2106374A1 (de) 1972-05-05
DK142664B (da) 1980-12-08
AT315949B (de) 1974-06-25
FR2106374B1 (de) 1976-04-30
DE2062694A1 (de) 1972-06-29
DE2062694B2 (de) 1975-05-28
CH538773A (de) 1973-06-30
JPS476429A (de) 1972-04-10
JPS4712829A (de) 1972-06-28

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Legal Events

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