SE7407451L - - Google Patents

Info

Publication number
SE7407451L
SE7407451L SE7407451A SE7407451A SE7407451L SE 7407451 L SE7407451 L SE 7407451L SE 7407451 A SE7407451 A SE 7407451A SE 7407451 A SE7407451 A SE 7407451A SE 7407451 L SE7407451 L SE 7407451L
Authority
SE
Sweden
Application number
SE7407451A
Other languages
Unknown language ( )
Inventor
H A Wittlinger
Original Assignee
Rca 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
Application filed by Rca Corp filed Critical Rca Corp
Publication of SE7407451L publication Critical patent/SE7407451L/

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)
SE7407451A 1973-06-11 1974-06-06 SE7407451L (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
SE7407451L true SE7407451L (de) 1974-12-12

Family

ID=23452208

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7407451A SE7407451L (de) 1973-06-11 1974-06-06

Country Status (7)

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

Families Citing this family (4)

* 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
US7193827B2 (en) * 2003-10-16 2007-03-20 Square D Company Single-sensor microcontroller-based approach for ground fault circuit interrupters

Also Published As

Publication number Publication date
AU6982674A (en) 1975-12-11
FR2232855A1 (de) 1975-01-03
NL7407470A (de) 1974-12-13
JPS5035646A (de) 1975-04-04
DE2427920A1 (de) 1975-01-02
FR2232855B1 (de) 1978-03-24
IT1010294B (it) 1977-01-10

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