JPS5044437A - - Google Patents

Info

Publication number
JPS5044437A
JPS5044437A JP49089404A JP8940474A JPS5044437A JP S5044437 A JPS5044437 A JP S5044437A JP 49089404 A JP49089404 A JP 49089404A JP 8940474 A JP8940474 A JP 8940474A JP S5044437 A JPS5044437 A JP S5044437A
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
JP49089404A
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 DE19732339932 external-priority patent/DE2339932C3/de
Application filed filed Critical
Publication of JPS5044437A publication Critical patent/JPS5044437A/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
    • H02H3/38—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 both voltage and current; responsive to phase angle between voltage and current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/04—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of DC component by short circuits in AC networks
    • H02H1/046—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of DC component by short circuits in AC networks upon detecting saturation of current transformers
    • 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
    • H02H3/38—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 both voltage and current; responsive to phase angle between voltage and current
    • H02H3/382—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 both voltage and current; responsive to phase angle between voltage and current involving phase comparison between current and voltage or between values derived from current and voltage

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Locating Faults (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
JP49089404A 1973-08-03 1974-08-02 Pending JPS5044437A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732339932 DE2339932C3 (de) 1973-08-03 Verfahren zum Ermitteln von Fehlern auf einem zu überwachenden Leitungsabschnitt eines elektrischen Energieversorgungsnetzes

Publications (1)

Publication Number Publication Date
JPS5044437A true JPS5044437A (ja) 1975-04-21

Family

ID=5889108

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49089404A Pending JPS5044437A (ja) 1973-08-03 1974-08-02

Country Status (6)

Country Link
JP (1) JPS5044437A (ja)
CH (1) CH579841A5 (ja)
FR (1) FR2239791A1 (ja)
IT (1) IT1017429B (ja)
NL (1) NL7410001A (ja)
SE (1) SE392006B (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3167445D1 (en) * 1980-07-28 1985-01-10 Bbc Brown Boveri & Cie Method and apparatus for the differential protection of electrical installations
DE3274171D1 (en) * 1982-03-29 1986-12-11 Bbc Brown Boveri & Cie Method and device for evaluating the secondary current of a current transformer primary connected to an electric power supply line
FR2550024B1 (fr) * 1983-07-25 1986-03-14 Electricite De France Dispositif de protection a surintensite de courant
DE19723422C1 (de) * 1997-06-04 1998-12-10 Siemens Ag Verfahren und Vorrichtung zur Erkennung und Korrektur eines gesättigten Stromverlaufs eines Stromwandlers

Also Published As

Publication number Publication date
FR2239791A1 (en) 1975-02-28
SE392006B (sv) 1977-03-07
NL7410001A (nl) 1975-02-05
DE2339932B2 (de) 1976-01-22
IT1017429B (it) 1977-07-20
CH579841A5 (ja) 1976-09-15
SE7409994L (ja) 1975-02-04
DE2339932A1 (de) 1975-02-20

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