JPS5035646A - - Google Patents

Info

Publication number
JPS5035646A
JPS5035646A JP49066427A JP6642774A JPS5035646A JP S5035646 A JPS5035646 A JP S5035646A JP 49066427 A JP49066427 A JP 49066427A JP 6642774 A JP6642774 A JP 6642774A JP S5035646 A JPS5035646 A JP S5035646A
Authority
JP
Japan
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
JP49066427A
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 filed Critical
Publication of JPS5035646A publication Critical patent/JPS5035646A/ja
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
    • H02H3/16—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 fault current to earth, frame or mass
    • H02H3/17—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 fault current to earth, frame or mass by means of an auxiliary voltage injected into the installation to be protected
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults
    • 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
    • H02H3/331—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 responsive to earthing of the neutral conductor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)
JP49066427A 1973-06-11 1974-06-10 Pending JPS5035646A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US36866273A 1973-06-11 1973-06-11

Publications (1)

Publication Number Publication Date
JPS5035646A true JPS5035646A (ja) 1975-04-04

Family

ID=23452208

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49066427A Pending JPS5035646A (ja) 1973-06-11 1974-06-10

Country Status (7)

Country Link
JP (1) JPS5035646A (ja)
AU (1) AU6982674A (ja)
DE (1) DE2427920A1 (ja)
FR (1) FR2232855B1 (ja)
IT (1) IT1010294B (ja)
NL (1) NL7407470A (ja)
SE (1) SE7407451L (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007525138A (ja) * 2003-10-16 2007-08-30 スクエア・ディー・カンパニー 地絡故障回路遮断器のための単一センサ・マイクロコントローラ・ベースのアプローチ

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2508979C2 (de) * 1975-03-01 1984-07-12 Günter 4800 Bielefeld Reichensperger Anordnung für einen Schutzschalter mit einer Fehlerstrom-Überwachungseinheit und einer Erdungswiderstand-Überwachungseinheit
DE2611674A1 (de) * 1976-03-19 1977-09-22 Guenter Reichensperger Schutzschalter
DE3048785A1 (de) * 1980-12-23 1982-07-15 Brown, Boveri & Cie Ag, 6800 Mannheim Schaltungsanordnung zur erfassung eines fehlerstromes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007525138A (ja) * 2003-10-16 2007-08-30 スクエア・ディー・カンパニー 地絡故障回路遮断器のための単一センサ・マイクロコントローラ・ベースのアプローチ

Also Published As

Publication number Publication date
AU6982674A (en) 1975-12-11
FR2232855A1 (ja) 1975-01-03
NL7407470A (ja) 1974-12-13
DE2427920A1 (de) 1975-01-02
SE7407451L (ja) 1974-12-12
FR2232855B1 (ja) 1978-03-24
IT1010294B (it) 1977-01-10

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