CH655621B - - Google Patents

Info

Publication number
CH655621B
CH655621B CH259779A CH259779A CH655621B CH 655621 B CH655621 B CH 655621B CH 259779 A CH259779 A CH 259779A CH 259779 A CH259779 A CH 259779A CH 655621 B CH655621 B CH 655621B
Authority
CH
Switzerland
Application number
CH259779A
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
Priority to CH259779A priority Critical patent/CH655621B/de
Publication of CH655621B publication Critical patent/CH655621B/de

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/38Emergency 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
    • H02H3/382Emergency 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/58Testing of lines, cables or conductors
CH259779A 1979-03-20 1979-03-20 CH655621B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CH259779A CH655621B (en) 1979-03-20 1979-03-20

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CH259779A CH655621B (en) 1979-03-20 1979-03-20
DE2914900A DE2914900C2 (en) 1979-03-20 1979-04-12
SE8002037A SE446143B (en) 1979-03-20 1980-03-14 Seen and device for fault detection in an electrical flerfasnet
NL8001554A NL8001554A (en) 1979-03-20 1980-03-16 Method and device for error direction detection in an electric multi-phase network.
GB8009071A GB2046039B (en) 1979-03-20 1980-03-18 Method and apparatus for detecting the direction of a fault on an electrical transmission line
FR8006022A FR2452114A1 (en) 1979-03-20 1980-03-18 Method and device for detecting the orientation of a defect in a polyphase electrical network

Publications (1)

Publication Number Publication Date
CH655621B true CH655621B (en) 1986-04-30

Family

ID=4237347

Family Applications (1)

Application Number Title Priority Date Filing Date
CH259779A CH655621B (en) 1979-03-20 1979-03-20

Country Status (6)

Country Link
CH (1) CH655621B (en)
DE (1) DE2914900C2 (en)
FR (1) FR2452114A1 (en)
GB (1) GB2046039B (en)
NL (1) NL8001554A (en)
SE (1) SE446143B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2689507B1 (en) * 2011-03-24 2017-07-19 Siemens Aktiengesellschaft Determining the direction of intermittent earth faults in energy supply networks

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE302638B (en) * 1964-06-26 1968-07-29 Siemens Ag
CH560477A5 (en) * 1973-05-30 1975-03-27 Bbc Brown Boveri & Cie
DE2339932B2 (en) * 1973-08-03 1976-01-22 A method for detecting flaws on a line section to be monitored of an electrical power supply network

Also Published As

Publication number Publication date
GB2046039B (en) 1982-11-10
SE8002037L (en) 1980-09-21
DE2914900A1 (en) 1980-10-02
NL8001554A (en) 1980-09-23
GB2046039A (en) 1980-11-05
DE2914900C2 (en) 1985-01-31
FR2452114A1 (en) 1980-10-17
SE446143B (en) 1986-08-11

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