ZA801098B - An arrangement for storing the phase state of an alternating voltage - Google Patents

An arrangement for storing the phase state of an alternating voltage

Info

Publication number
ZA801098B
ZA801098B ZA00801098A ZA801098A ZA801098B ZA 801098 B ZA801098 B ZA 801098B ZA 00801098 A ZA00801098 A ZA 00801098A ZA 801098 A ZA801098 A ZA 801098A ZA 801098 B ZA801098 B ZA 801098B
Authority
ZA
South Africa
Prior art keywords
storing
arrangement
alternating voltage
phase state
phase
Prior art date
Application number
ZA00801098A
Other languages
English (en)
Inventor
W Offermanns
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of ZA801098B publication Critical patent/ZA801098B/xx

Links

Classifications

    • 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
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • G01R31/088—Aspects of digital computing
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0038—Details of emergency protective circuit arrangements concerning the connection of the detecting means, e.g. for reducing their number
    • H02H1/0053—Means for storing the measured quantities during a predetermined time

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Manipulation Of Pulses (AREA)
  • Inverter Devices (AREA)
  • Emergency Protection Circuit Devices (AREA)
ZA00801098A 1979-02-27 1980-02-26 An arrangement for storing the phase state of an alternating voltage ZA801098B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2907682A DE2907682C2 (de) 1979-02-27 1979-02-27 Schaltungsanordnung zum Speichern der Phasenlage einer Wechselspannung

Publications (1)

Publication Number Publication Date
ZA801098B true ZA801098B (en) 1981-03-25

Family

ID=6064046

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00801098A ZA801098B (en) 1979-02-27 1980-02-26 An arrangement for storing the phase state of an alternating voltage

Country Status (6)

Country Link
US (1) US4329653A (xx)
EP (1) EP0015226B1 (xx)
JP (1) JPS55117417A (xx)
BR (1) BR8001103A (xx)
DE (1) DE2907682C2 (xx)
ZA (1) ZA801098B (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57206224A (en) * 1981-06-11 1982-12-17 Hitachi Ltd Mho type protective relay
US4527080A (en) * 1983-07-18 1985-07-02 At&T Bell Laboratories Digital phase and frequency comparator circuit
DE4333259C1 (de) * 1993-09-27 1995-05-24 Siemens Ag Verfahren zum Erzeugen eines die Richtung eines Kurzschlußstromes angebenden Richtungssignals

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2093262A5 (xx) * 1970-06-08 1972-01-28 Comp Generale Electricite
CH557610A (de) * 1973-10-17 1974-12-31 Sprecher & Schuh Ag Spannungsgedaechtnis-schaltanordnung zur fortsetzung der ausgabe von spannungssignalen fuer eine bestimmte dauer.
US3965432A (en) * 1975-04-14 1976-06-22 Bell Telephone Laboratories, Incorporated High reliability pulse source
CH601914A5 (xx) * 1975-07-08 1978-07-14 Sprecher & Schuh Ag
US4079435A (en) * 1976-08-13 1978-03-14 Tamara Borisovna Zaslavskaya Method of protecting power transmission lines and apparatus for realizing same
AT356217B (de) * 1976-08-19 1980-04-10 Siemens Ag Schaltungsanordnung zur ueberwachung einer wechselspannung
US4208594A (en) * 1978-04-03 1980-06-17 Honeywell Inc. Power monitor for use in starting and stopping a digital electronic system

Also Published As

Publication number Publication date
US4329653A (en) 1982-05-11
JPS55117417A (en) 1980-09-09
DE2907682C2 (de) 1983-06-23
DE2907682A1 (de) 1980-08-28
EP0015226B1 (de) 1983-05-04
EP0015226A2 (de) 1980-09-03
EP0015226A3 (en) 1980-09-17
BR8001103A (pt) 1980-10-29

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