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BR8906150A - Medidor de watthora eletronico - Google Patents

Medidor de watthora eletronico

Info

Publication number
BR8906150A
BR8906150A BR898906150A BR8906150A BR8906150A BR 8906150 A BR8906150 A BR 8906150A BR 898906150 A BR898906150 A BR 898906150A BR 8906150 A BR8906150 A BR 8906150A BR 8906150 A BR8906150 A BR 8906150A
Authority
BR
Brazil
Prior art keywords
watthora
meter
electronic
watthora meter
electronic watthora
Prior art date
Application number
BR898906150A
Other languages
English (en)
Inventor
Warren Ralph Germer
Maurice Joseph Ouellette
Mehrdad Negahban-Hagh
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of BR8906150A publication Critical patent/BR8906150A/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/30—Dynamo-electric motor meters
    • G01R11/32—Watt-hour meters
    • 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measuring Phase Differences (AREA)
  • Analogue/Digital Conversion (AREA)
BR898906150A 1988-12-02 1989-12-04 Medidor de watthora eletronico BR8906150A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27917888A 1988-12-02 1988-12-02

Publications (1)

Publication Number Publication Date
BR8906150A true BR8906150A (pt) 1990-07-31

Family

ID=23067959

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898906150A BR8906150A (pt) 1988-12-02 1989-12-04 Medidor de watthora eletronico

Country Status (8)

Country Link
EP (1) EP0377282B1 (pt)
JP (1) JP3045739B2 (pt)
KR (1) KR0134770B1 (pt)
BR (1) BR8906150A (pt)
DE (1) DE68920984T2 (pt)
IL (1) IL92412A0 (pt)
MX (1) MX172069B (pt)
PH (1) PH26790A (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5122735A (en) * 1990-06-14 1992-06-16 Transdata, Inc. Digital power metering
DE9213457U1 (de) * 1992-10-08 1993-01-28 ABB Metrawatt GmbH, 8500 Nürnberg Elektronische Anordnung zur Erfassung von Meßgrößen wie Wirkleistung, Blindleistung, Wirkfaktor und Blindfaktor
DE19639410A1 (de) 1996-09-25 1998-04-02 Siemens Ag Meßeinrichtung für elektrische Leistung
DE10361664B4 (de) 2003-12-30 2009-08-13 Austriamicrosystems Ag Energiezähleranordnung
DE102004010707B4 (de) 2004-03-04 2013-08-22 Austriamicrosystems Ag Energiezähleranordnung und Verfahren zum Kalibrieren
JP5100446B2 (ja) * 2008-02-28 2012-12-19 東光東芝メーターシステムズ株式会社 電力量計
TWI399564B (zh) * 2011-01-14 2013-06-21 Finetek Co Ltd Phase difference correcting method of the power meter

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2550282C2 (de) * 1975-11-08 1983-09-01 Brown, Boveri & Cie Ag, 6800 Mannheim Leistungs- und Arbeitsmeßverfahren
CA1290400C (en) * 1987-04-24 1991-10-08 Scott H. Hammond Digital power metering

Also Published As

Publication number Publication date
DE68920984D1 (de) 1995-03-16
EP0377282A1 (en) 1990-07-11
KR0134770B1 (ko) 1998-04-30
DE68920984T2 (de) 1995-07-06
KR900010399A (ko) 1990-07-07
PH26790A (en) 1992-10-13
JPH02189471A (ja) 1990-07-25
JP3045739B2 (ja) 2000-05-29
MX172069B (es) 1993-12-01
EP0377282B1 (en) 1995-02-01
IL92412A0 (en) 1990-07-26

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Legal Events

Date Code Title Description
FF Decision: intention to grant
KD Notifcation of receipt (letter patent)
FG Letter patent granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 04/12/2004