FR2355297A1 - Multiplicateur biparabolique pour la mesure de puissance ou d'energie electrique - Google Patents

Multiplicateur biparabolique pour la mesure de puissance ou d'energie electrique

Info

Publication number
FR2355297A1
FR2355297A1 FR7718047A FR7718047A FR2355297A1 FR 2355297 A1 FR2355297 A1 FR 2355297A1 FR 7718047 A FR7718047 A FR 7718047A FR 7718047 A FR7718047 A FR 7718047A FR 2355297 A1 FR2355297 A1 FR 2355297A1
Authority
FR
France
Prior art keywords
circuit
electrical power
squaring
interchanging
periodic
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.)
Withdrawn
Application number
FR7718047A
Other languages
English (en)
French (fr)
Inventor
Jacob De Vries
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.)
Landis and Gyr AG
Original Assignee
Landis and Gyr 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 Landis and Gyr AG filed Critical Landis and Gyr AG
Publication of FR2355297A1 publication Critical patent/FR2355297A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00Arrangements for measuring electric power or power factor
    • G01R21/10Arrangements for measuring electric power or power factor by using square-law characteristics of circuit elements, e.g. diodes, to measure power absorbed by loads of known impedance
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00Arrangements for measuring electric power or power factor
    • G01R21/133Arrangements for measuring electric power or power factor by using digital technique
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06GANALOGUE COMPUTERS
    • G06G7/00Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/16Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
    • G06G7/164Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division using means for evaluating powers, e.g. quarter square multiplier

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
FR7718047A 1976-06-15 1977-06-13 Multiplicateur biparabolique pour la mesure de puissance ou d'energie electrique Withdrawn FR2355297A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH763176A CH607038A5 (enrdf_load_stackoverflow) 1976-06-15 1976-06-15

Publications (1)

Publication Number Publication Date
FR2355297A1 true FR2355297A1 (fr) 1978-01-13

Family

ID=4328127

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7718047A Withdrawn FR2355297A1 (fr) 1976-06-15 1977-06-13 Multiplicateur biparabolique pour la mesure de puissance ou d'energie electrique

Country Status (5)

Country Link
JP (1) JPS52153780A (enrdf_load_stackoverflow)
CH (1) CH607038A5 (enrdf_load_stackoverflow)
DE (1) DE2632192C2 (enrdf_load_stackoverflow)
FR (1) FR2355297A1 (enrdf_load_stackoverflow)
NL (1) NL7608157A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6151266B2 (enrdf_load_stackoverflow) 1986-11-07
CH607038A5 (enrdf_load_stackoverflow) 1978-11-30
NL7608157A (nl) 1977-12-19
DE2632192B1 (de) 1977-03-31
DE2632192C2 (de) 1977-11-24
JPS52153780A (en) 1977-12-21

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Legal Events

Date Code Title Description
ST Notification of lapse