ATE178412T1 - Elektrizitätszähler mit variabler verstärkung und mit sigma-delta-umsetzer - Google Patents

Elektrizitätszähler mit variabler verstärkung und mit sigma-delta-umsetzer

Info

Publication number
ATE178412T1
ATE178412T1 AT93400129T AT93400129T ATE178412T1 AT E178412 T1 ATE178412 T1 AT E178412T1 AT 93400129 T AT93400129 T AT 93400129T AT 93400129 T AT93400129 T AT 93400129T AT E178412 T1 ATE178412 T1 AT E178412T1
Authority
AT
Austria
Prior art keywords
sigma
delta converter
digital
gain
output
Prior art date
Application number
AT93400129T
Other languages
English (en)
Inventor
Michel Gervais
Alain Bazin
Denise Schang
Original Assignee
Schlumberger Ind Sa
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 Schlumberger Ind Sa filed Critical Schlumberger Ind Sa
Application granted granted Critical
Publication of ATE178412T1 publication Critical patent/ATE178412T1/de

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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
    • G06F7/602—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers using delta-sigma sequences
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
    • G06G7/161—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division with pulse modulation, e.g. modulation of amplitude, width, frequency, phase or form
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06J—HYBRID COMPUTING ARRANGEMENTS
    • G06J1/00—Hybrid computing arrangements
AT93400129T 1993-01-20 1993-01-20 Elektrizitätszähler mit variabler verstärkung und mit sigma-delta-umsetzer ATE178412T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP93400129A EP0607711B1 (de) 1993-01-20 1993-01-20 Elektrizitätszähler mit variabler Verstärkung und mit Sigma-Delta-Umsetzer

Publications (1)

Publication Number Publication Date
ATE178412T1 true ATE178412T1 (de) 1999-04-15

Family

ID=8214665

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93400129T ATE178412T1 (de) 1993-01-20 1993-01-20 Elektrizitätszähler mit variabler verstärkung und mit sigma-delta-umsetzer

Country Status (8)

Country Link
US (1) US5493212A (de)
EP (1) EP0607711B1 (de)
AT (1) ATE178412T1 (de)
DE (1) DE69324229T2 (de)
DK (1) DK0607711T3 (de)
ES (1) ES2131561T3 (de)
GR (1) GR3030228T3 (de)
RU (1) RU2117303C1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0699914B1 (de) * 1994-09-05 2005-01-05 Landis+Gyr AG Anordnung zum Messen elektrischer Energie
DE19630605A1 (de) * 1996-07-29 1998-02-05 Tech Gmbh Antriebstechnik Und Multiplikationsschaltung für Leistungs-Meßgerät
JP3312006B2 (ja) 1999-03-05 2002-08-05 株式会社東芝 無効電力演算装置及び無効電力量測定装置
FR2797725B1 (fr) 1999-08-16 2001-11-09 St Microelectronics Sa Procede et dispositif de conversion d'un signal analogique en un signal numerique avec controle automatique de gain
JP2003016767A (ja) * 2001-06-27 2003-01-17 Sony Corp 信号レベル検出装置及び方法、並びに信号レベル表示装置
DE10311777B4 (de) * 2003-03-18 2005-10-20 Thomas Schoch Verfahren, Messsystem und Vorrichtung zur elektrischen Leistungsmessung
EP2927805A1 (de) * 2014-03-31 2015-10-07 Nxp B.V. Steuersystem
US11557430B2 (en) 2020-02-19 2023-01-17 Eaton Intelligent Power Limited Current transformer powered controller

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4081800A (en) * 1974-10-24 1978-03-28 Tokyo Shibaura Electric Co., Ltd. Analog-to-digital converter
US4409660A (en) * 1981-03-03 1983-10-11 Fischer & Porter Company Electronic totalizer
GB2118726B (en) * 1982-04-13 1985-10-23 Plessey Co Plc Mains power measurement
US4722094A (en) * 1985-12-16 1988-01-26 Allied Corporation Digital rate detection circuit
US4692933A (en) * 1986-03-24 1987-09-08 The Babcock & Wilcox Company Electro-mechanical integrator
US4761606A (en) * 1986-12-22 1988-08-02 General Electric Company Auto-ranging in electric watthour meter
US5245343A (en) * 1990-08-03 1993-09-14 Honeywell Inc. Enhanced accuracy delta-sigma A/D converter

Also Published As

Publication number Publication date
EP0607711B1 (de) 1999-03-31
ES2131561T3 (es) 1999-08-01
RU94001563A (ru) 1996-04-27
RU2117303C1 (ru) 1998-08-10
DE69324229D1 (de) 1999-05-06
US5493212A (en) 1996-02-20
GR3030228T3 (en) 1999-08-31
EP0607711A1 (de) 1994-07-27
DE69324229T2 (de) 1999-09-30
DK0607711T3 (da) 1999-10-18

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EEIH Change in the person of patent owner
REN Ceased due to non-payment of the annual fee