SE340654B - - Google Patents

Info

Publication number
SE340654B
SE340654B SE00285/68A SE28568A SE340654B SE 340654 B SE340654 B SE 340654B SE 00285/68 A SE00285/68 A SE 00285/68A SE 28568 A SE28568 A SE 28568A SE 340654 B SE340654 B SE 340654B
Authority
SE
Sweden
Application number
SE00285/68A
Inventor
P Woodhead
Original Assignee
English Electric Co Ltd
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 English Electric Co Ltd filed Critical English Electric Co Ltd
Publication of SE340654B publication Critical patent/SE340654B/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/14—Compensating for temperature change
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/127—Arrangements for measuring electric power or power factor by using pulse modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Amplifiers (AREA)
SE00285/68A 1967-01-10 1968-01-10 SE340654B (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0241/67A GB1224162A (en) 1967-01-10 1967-01-10 Improvements in power meters

Publications (1)

Publication Number Publication Date
SE340654B true SE340654B (xx) 1971-11-29

Family

ID=9718565

Family Applications (1)

Application Number Title Priority Date Filing Date
SE00285/68A SE340654B (xx) 1967-01-10 1968-01-10

Country Status (5)

Country Link
US (1) US3500200A (xx)
CH (1) CH491391A (xx)
DE (1) DE1616379A1 (xx)
GB (1) GB1224162A (xx)
SE (1) SE340654B (xx)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE29079E (en) * 1970-01-27 1976-12-14 Motor Finance Corporation Multiplier, divider and wattmeter using a switching circuit and a pulse-width and frequency modulator
US3707675A (en) * 1970-09-11 1972-12-26 Bailey Meter Co Measuring system for comparing the relative magnitudes of first and second d.c. signals
US3673495A (en) * 1971-02-24 1972-06-27 Mc Graw Edison Co Apparatus and method for measuring electrical energy consumption
US3818340A (en) * 1971-03-26 1974-06-18 Yokogawa Electric Works Ltd Electronic watt-hour meter with digital output representing time-integrated input
US3760273A (en) * 1971-06-24 1973-09-18 Mc Culloch Corp Electronic watt hour meter
US3746851A (en) * 1971-12-21 1973-07-17 Technical Management Services Multiplier, divider and wattmeter using a switching circuit and a pulse-width and frequency modulator
BE793764A (fr) * 1972-01-06 1973-05-02 Reliance Electric Co Integrerende weeginrichting
DE2206223A1 (de) * 1972-02-10 1973-08-23 Siemens Ag Elektronische multipliziereinrichtung nach dem time-division-verfahren
US3794917A (en) * 1972-03-09 1974-02-26 Esterline Corp Electronic watt transducer
DE2348667B2 (de) * 1973-09-27 1975-08-14 Siemens Ag, 1000 Berlin Und 8000 Muenchen Elektronischer kWh-Zähler
US3942110A (en) * 1974-05-08 1976-03-02 General Electric Company Analog to pulse rate converter
US3947763A (en) * 1974-05-30 1976-03-30 General Electric Company C-MOS electronic kWh meter and method for metering electrical energy
US3976942A (en) * 1974-12-13 1976-08-24 Esterline Corporation Watt/watt hour transducer having current signals and a modulator therefor
US4027241A (en) * 1976-05-19 1977-05-31 Westinghouse Electric Corporation Solid state watt and var transducer
US4242634A (en) * 1978-05-06 1980-12-30 Enertec Electronic multiplying circuits
US4463311A (en) * 1980-05-29 1984-07-31 Tokyo Shibaura Denki Kabushiki Kaisha Electronic electric-energy meter
CA1199070A (en) * 1980-10-06 1986-01-07 Prentice G. Moore Electronic watt/var transducer
US4356446A (en) * 1981-03-23 1982-10-26 Transdata, Inc. Time division multiplier transducer with selective phase shift
US4408283A (en) * 1981-06-08 1983-10-04 Transdata, Inc. Time division multiplier transducer with digitally derived phase shift adjustment for reactive power and energy measurement
CH670518A5 (xx) * 1986-05-20 1989-06-15 Landis & Gyr Ag

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1061177A (fr) * 1952-08-01 1954-04-09 Cie Ind Des Telephones Wattmètre électronique
US3358129A (en) * 1964-05-28 1967-12-12 Raytheon Co Electronic trigonometric multiplier

Also Published As

Publication number Publication date
US3500200A (en) 1970-03-10
GB1224162A (en) 1971-03-03
DE1616379A1 (de) 1971-04-08
CH491391A (fr) 1970-05-31

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