GR3030228T3 - Electricity meter with variable gain sigma-delta converter. - Google Patents
Electricity meter with variable gain sigma-delta converter.Info
- Publication number
- GR3030228T3 GR3030228T3 GR990401315T GR990401315T GR3030228T3 GR 3030228 T3 GR3030228 T3 GR 3030228T3 GR 990401315 T GR990401315 T GR 990401315T GR 990401315 T GR990401315 T GR 990401315T GR 3030228 T3 GR3030228 T3 GR 3030228T3
- Authority
- GR
- Greece
- Prior art keywords
- delta converter
- sigma
- digital
- gain
- output
- Prior art date
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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Evolutionary Computation (AREA)
- Fuzzy Systems (AREA)
- Automation & Control Theory (AREA)
- Computational Mathematics (AREA)
- Computing Systems (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Measurement Of Radiation (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP93400129A EP0607711B1 (en) | 1993-01-20 | 1993-01-20 | Electricity meter with variable gain and with sigma-delta converter |
Publications (1)
Publication Number | Publication Date |
---|---|
GR3030228T3 true GR3030228T3 (en) | 1999-08-31 |
Family
ID=8214665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GR990401315T GR3030228T3 (en) | 1993-01-20 | 1999-05-14 | Electricity meter with variable gain sigma-delta converter. |
Country Status (8)
Country | Link |
---|---|
US (1) | US5493212A (el) |
EP (1) | EP0607711B1 (el) |
AT (1) | ATE178412T1 (el) |
DE (1) | DE69324229T2 (el) |
DK (1) | DK0607711T3 (el) |
ES (1) | ES2131561T3 (el) |
GR (1) | GR3030228T3 (el) |
RU (1) | RU2117303C1 (el) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE286599T1 (de) * | 1994-09-05 | 2005-01-15 | 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 (en) * | 2014-03-31 | 2015-10-07 | Nxp B.V. | Control system |
US11557430B2 (en) | 2020-02-19 | 2023-01-17 | Eaton Intelligent Power Limited | Current transformer powered controller |
Family Cites Families (7)
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 |
-
1993
- 1993-01-20 DE DE69324229T patent/DE69324229T2/de not_active Expired - Fee Related
- 1993-01-20 EP EP93400129A patent/EP0607711B1/en not_active Expired - Lifetime
- 1993-01-20 ES ES93400129T patent/ES2131561T3/es not_active Expired - Lifetime
- 1993-01-20 DK DK93400129T patent/DK0607711T3/da active
- 1993-01-20 AT AT93400129T patent/ATE178412T1/de not_active IP Right Cessation
-
1994
- 1994-01-19 RU RU94001563/09A patent/RU2117303C1/ru not_active IP Right Cessation
-
1995
- 1995-05-22 US US08/446,965 patent/US5493212A/en not_active Expired - Lifetime
-
1999
- 1999-05-14 GR GR990401315T patent/GR3030228T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
RU94001563A (ru) | 1996-04-27 |
DE69324229T2 (de) | 1999-09-30 |
DE69324229D1 (de) | 1999-05-06 |
US5493212A (en) | 1996-02-20 |
DK0607711T3 (da) | 1999-10-18 |
EP0607711B1 (en) | 1999-03-31 |
RU2117303C1 (ru) | 1998-08-10 |
ATE178412T1 (de) | 1999-04-15 |
EP0607711A1 (en) | 1994-07-27 |
ES2131561T3 (es) | 1999-08-01 |
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