CA1121497A - Systeme de protection d'un circuit electrique contre les fuites a la terre - Google Patents

Systeme de protection d'un circuit electrique contre les fuites a la terre

Info

Publication number
CA1121497A
CA1121497A CA000310430A CA310430A CA1121497A CA 1121497 A CA1121497 A CA 1121497A CA 000310430 A CA000310430 A CA 000310430A CA 310430 A CA310430 A CA 310430A CA 1121497 A CA1121497 A CA 1121497A
Authority
CA
Canada
Prior art keywords
circuit
ground fault
control power
solenoid
gfci device
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
CA000310430A
Other languages
English (en)
Inventor
Gregory C. Eckart
Joseph M. Palmieri
Keith W. Klein
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of CA1121497A publication Critical patent/CA1121497A/fr
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
    • H02H3/34—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 of a three-phase system
    • H02H3/347—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 of a three-phase system using summation current transformers

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
CA000310430A 1977-09-09 1978-08-31 Systeme de protection d'un circuit electrique contre les fuites a la terre Expired CA1121497A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US83170977A 1977-09-09 1977-09-09
US831,709 1977-09-09

Publications (1)

Publication Number Publication Date
CA1121497A true CA1121497A (fr) 1982-04-06

Family

ID=25259676

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000310430A Expired CA1121497A (fr) 1977-09-09 1978-08-31 Systeme de protection d'un circuit electrique contre les fuites a la terre

Country Status (6)

Country Link
JP (1) JPS5453239A (fr)
CA (1) CA1121497A (fr)
DE (1) DE2838804A1 (fr)
FR (1) FR2402959A1 (fr)
GB (1) GB1604711A (fr)
IT (1) IT1098755B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104121044B (zh) * 2014-07-24 2015-12-30 江苏永钢集团有限公司 一种汽轮机危急保安器联跳发电机的安全控制方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4044395A (en) * 1976-08-02 1977-08-23 General Electric Company Ground fault protection system

Also Published As

Publication number Publication date
DE2838804A1 (de) 1979-03-15
GB1604711A (en) 1981-12-16
IT1098755B (it) 1985-09-18
FR2402959A1 (fr) 1979-04-06
JPS5453239A (en) 1979-04-26
IT7827131A0 (it) 1978-08-30

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Legal Events

Date Code Title Description
MKEX Expiry