JPS5453239A - Ground fault protector - Google Patents

Ground fault protector

Info

Publication number
JPS5453239A
JPS5453239A JP10818478A JP10818478A JPS5453239A JP S5453239 A JPS5453239 A JP S5453239A JP 10818478 A JP10818478 A JP 10818478A JP 10818478 A JP10818478 A JP 10818478A JP S5453239 A JPS5453239 A JP S5453239A
Authority
JP
Japan
Prior art keywords
ground fault
fault protector
protector
ground
fault
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.)
Pending
Application number
JP10818478A
Other languages
Japanese (ja)
Inventor
Kureigu Ekaato Guregorii
Uiriamu Kurein Keisu
Maikeru Parimiiri Jiyosefu
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
Publication of JPS5453239A publication Critical patent/JPS5453239A/en
Pending 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
JP10818478A 1977-09-09 1978-09-05 Ground fault protector Pending JPS5453239A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83170977A 1977-09-09 1977-09-09

Publications (1)

Publication Number Publication Date
JPS5453239A true JPS5453239A (en) 1979-04-26

Family

ID=25259676

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10818478A Pending JPS5453239A (en) 1977-09-09 1978-09-05 Ground fault protector

Country Status (6)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104121044B (en) * 2014-07-24 2015-12-30 江苏永钢集团有限公司 The method of controlling security of generator jumped by a kind of turbine emergency protector connection

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
FR2402959A1 (en) 1979-04-06
DE2838804A1 (en) 1979-03-15
IT1098755B (en) 1985-09-18
GB1604711A (en) 1981-12-16
IT7827131A0 (en) 1978-08-30
CA1121497A (en) 1982-04-06

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