CA1149870A - Phase-shift detector - Google Patents

Phase-shift detector

Info

Publication number
CA1149870A
CA1149870A CA000356420A CA356420A CA1149870A CA 1149870 A CA1149870 A CA 1149870A CA 000356420 A CA000356420 A CA 000356420A CA 356420 A CA356420 A CA 356420A CA 1149870 A CA1149870 A CA 1149870A
Authority
CA
Canada
Prior art keywords
phase
mains
voltage
changes
oscillating circuit
Prior art date
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.)
Expired
Application number
CA000356420A
Other languages
English (en)
French (fr)
Inventor
Ernst Golde
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs 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 Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Application granted granted Critical
Publication of CA1149870A publication Critical patent/CA1149870A/en
Expired legal-status Critical Current

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)
CA000356420A 1979-07-17 1980-07-17 Phase-shift detector Expired CA1149870A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP2929262.4 1979-07-17
DE2929262A DE2929262C2 (de) 1979-07-17 1979-07-17 Einrichtung zur Erfassung eines Sprunges in der Phasenlage einer Drehspannung

Publications (1)

Publication Number Publication Date
CA1149870A true CA1149870A (en) 1983-07-12

Family

ID=6076181

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000356420A Expired CA1149870A (en) 1979-07-17 1980-07-17 Phase-shift detector

Country Status (5)

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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2702011C2 (de) * 1977-01-14 1983-06-16 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung zur Anzeige und/oder Signalisierung des Unsymmetriegrades in Drehstromnetzen

Also Published As

Publication number Publication date
CH652507A5 (en) 1985-11-15
SE439381B (sv) 1985-06-10
DE2929262A1 (de) 1981-02-05
ZA804237B (en) 1981-07-29
DE2929262C2 (de) 1985-12-05
SE8005058L (sv) 1981-01-18

Similar Documents

Publication Publication Date Title
Chu et al. Transient response of a peak voltage detector for sinusoidal signals
CA1084115A (en) Sensor circuit
US4131847A (en) Device for measuring active and/or reactive component of AC current or AC power
GB1571689A (en) Circuit arrangement and method for compensating and rendering symmetrical rapidly varying wattless currents
US3846688A (en) Machine work sensor
US4589050A (en) Method and apparatus for the protection of a thyristor power conversion system
CA1149870A (en) Phase-shift detector
US3743949A (en) Rms sensing apparatus
GB1079374A (en) Unbalanced load detection in alternating current system
NO144051B (no) Koblingsinnretning for hurtig registrering og kompensasjon av opptaket av blindeffekt hos en forbruker i en- eller fler-fase-vekselstroemnett
US4100587A (en) Circuit for detecting the flow of an excess of reverse power from a load to a power system
US4999564A (en) Power system stabilizer system having improved integrity checking scheme
US3466552A (en) Ratiometer system utilizing phase comparison techniques
US3950742A (en) Adjustable line isolation monitor
US4947109A (en) Detector of quantity of electricity
US2989678A (en) Speed sensing circuits
JPS61139220A (ja) 三相交流の欠相検出回路
US3384805A (en) Rms measuring circuit
US3060351A (en) Voltage responsive control circuit
KR930004574B1 (ko) 3상전원의 결상 검출회로
US3562647A (en) Power factor transducer having voltage and current responsive switching means biased by an intermittently generated voltage
US2781169A (en) Vector adder
GB1496061A (en) Electrical converter and fault detecting circuit therefor
US4904925A (en) Apparatus for recovering an alternating variable of a controlled semiconductor
KR100305688B1 (ko) 교류파형의 위상검출장치 및 그 방법

Legal Events

Date Code Title Description
MKEX Expiry