SE8005058L - FASSPRANGDETEKTOR - Google Patents

FASSPRANGDETEKTOR

Info

Publication number
SE8005058L
SE8005058L SE8005058A SE8005058A SE8005058L SE 8005058 L SE8005058 L SE 8005058L SE 8005058 A SE8005058 A SE 8005058A SE 8005058 A SE8005058 A SE 8005058A SE 8005058 L SE8005058 L SE 8005058L
Authority
SE
Sweden
Prior art keywords
voltage
phase
mains
sin
delta
Prior art date
Application number
SE8005058A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE439381B (en
Inventor
E Golde
Original Assignee
Licentia Gmbh
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 Licentia Gmbh filed Critical Licentia Gmbh
Publication of SE8005058L publication Critical patent/SE8005058L/en
Publication of SE439381B publication Critical patent/SE439381B/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Inverter Devices (AREA)
  • Control Of Ac Motors In General (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Power Conversion In General (AREA)

Abstract

For the purpose of detecting phase changes (sin .delta.) in an alternating-voltage mains, an apparatus is provided in which in each mainsphase a weakly attenuated oscillating circuit follows the mains-phase position after a considerable delay. Further, a multiplier is provided in each mains phase, to which are passed the output voltage from the relevant oscillating circuit and a voltage perpendicular to this voltage in the steady state. The phase-changes (sin .delta.) arising are taken off by passing the output voltages from the multipliers to an adding amplifier.
SE8005058A 1979-07-17 1980-07-09 DEVICE FOR THE DETECTION OF A LANGUAGE IN THE PHASE OF AN AC VOLTAGE SE439381B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2929262A DE2929262C2 (en) 1979-07-17 1979-07-17 Device for detecting a jump in the phase position of a three-phase voltage

Publications (2)

Publication Number Publication Date
SE8005058L true SE8005058L (en) 1981-01-18
SE439381B SE439381B (en) 1985-06-10

Family

ID=6076181

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8005058A SE439381B (en) 1979-07-17 1980-07-09 DEVICE FOR THE DETECTION OF A LANGUAGE IN THE PHASE OF AN AC VOLTAGE

Country Status (5)

Country Link
CA (1) CA1149870A (en)
CH (1) CH652507A5 (en)
DE (1) DE2929262C2 (en)
SE (1) SE439381B (en)
ZA (1) ZA804237B (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2702011C2 (en) * 1977-01-14 1983-06-16 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Circuit arrangement for displaying and / or signaling the degree of asymmetry in three-phase networks

Also Published As

Publication number Publication date
ZA804237B (en) 1981-07-29
CA1149870A (en) 1983-07-12
DE2929262C2 (en) 1985-12-05
CH652507A5 (en) 1985-11-15
SE439381B (en) 1985-06-10
DE2929262A1 (en) 1981-02-05

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