AU6917791A - Method and apparatus for measuring electric units - Google Patents

Method and apparatus for measuring electric units

Info

Publication number
AU6917791A
AU6917791A AU69177/91A AU6917791A AU6917791A AU 6917791 A AU6917791 A AU 6917791A AU 69177/91 A AU69177/91 A AU 69177/91A AU 6917791 A AU6917791 A AU 6917791A AU 6917791 A AU6917791 A AU 6917791A
Authority
AU
Australia
Prior art keywords
measuring electric
electric units
units
measuring
electric
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.)
Abandoned
Application number
AU69177/91A
Inventor
Heikki Seppa
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.)
Valtion Teknillinen Tutkimuskeskus
Original Assignee
Valtion Teknillinen Tutkimuskeskus
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 Valtion Teknillinen Tutkimuskeskus filed Critical Valtion Teknillinen Tutkimuskeskus
Publication of AU6917791A publication Critical patent/AU6917791A/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/133—Arrangements for measuring electric power or power factor by using digital technique

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
AU69177/91A 1989-12-22 1990-12-21 Method and apparatus for measuring electric units Abandoned AU6917791A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI896216 1989-12-22
FI896216A FI90595C (en) 1989-12-22 1989-12-22 Method and measurement arrangement for measuring electrical power and / or energy

Publications (1)

Publication Number Publication Date
AU6917791A true AU6917791A (en) 1991-07-24

Family

ID=8529580

Family Applications (1)

Application Number Title Priority Date Filing Date
AU69177/91A Abandoned AU6917791A (en) 1989-12-22 1990-12-21 Method and apparatus for measuring electric units

Country Status (4)

Country Link
EP (1) EP0506728A1 (en)
AU (1) AU6917791A (en)
FI (1) FI90595C (en)
WO (1) WO1991010146A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5151866A (en) * 1990-03-30 1992-09-29 The Dow Chemical Company High speed power analyzer
CN114019231B (en) * 2021-11-04 2023-08-18 国网湖南省电力有限公司 Attenuation direct current extraction method for direct current electric energy metering

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3877022A (en) * 1973-05-14 1975-04-08 Weston Instruments Inc Enhancing resolution in analog-to-digital conversion by adding statistically controlled noise to the analog input signal
DE2727369A1 (en) * 1977-06-14 1979-01-04 Heliowatt Werke KILOWATT-HOUR METER WITH STOCHASTIC SIGNAL PROCESSING
JPS57138208A (en) * 1981-02-20 1982-08-26 Hitachi Ltd Power detecting circuit and gain control circuit using it
US4710747A (en) * 1984-03-09 1987-12-01 Fairchild Semiconductor Corporation Method and apparatus for improving the accuracy and resolution of an analog-to-digital converter (ADC)
JPH0611114B2 (en) * 1984-12-31 1994-02-09 ティアツク株式会社 Analog-digital converter
DE3514371A1 (en) * 1985-05-28 1986-10-23 Mitsubishi Denki K.K., Tokio/Tokyo Electronic energy meter for electrical energy
JPH07118649B2 (en) * 1986-01-08 1995-12-18 ヤマハ株式会社 Dither circuit
NZ219166A (en) * 1986-02-06 1990-04-26 Nilsen Oliver J Ltd Digital energy meter

Also Published As

Publication number Publication date
FI896216A0 (en) 1989-12-22
WO1991010146A1 (en) 1991-07-11
FI896216A (en) 1991-06-23
FI90595B (en) 1993-11-15
FI90595C (en) 1994-02-25
EP0506728A1 (en) 1992-10-07

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