NO178740C - Inngangskrets for en måleenhet - Google Patents
Inngangskrets for en måleenhetInfo
- Publication number
- NO178740C NO178740C NO902635A NO902635A NO178740C NO 178740 C NO178740 C NO 178740C NO 902635 A NO902635 A NO 902635A NO 902635 A NO902635 A NO 902635A NO 178740 C NO178740 C NO 178740C
- Authority
- NO
- Norway
- Prior art keywords
- input circuit
- current path
- measurement
- unit
- transformer
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Emergency Protection Circuit Devices (AREA)
- Control Of Electric Motors In General (AREA)
- Automatic Disk Changers (AREA)
- Credit Cards Or The Like (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Tests Of Electronic Circuits (AREA)
- Networks Using Active Elements (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8907998A FR2648565B1 (fr) | 1989-06-16 | 1989-06-16 | Circuit d'entree pour compteur d'energie electrique |
Publications (4)
Publication Number | Publication Date |
---|---|
NO902635D0 NO902635D0 (no) | 1990-06-13 |
NO902635L NO902635L (no) | 1990-12-17 |
NO178740B NO178740B (no) | 1996-02-12 |
NO178740C true NO178740C (no) | 1996-05-22 |
Family
ID=9382794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO902635A NO178740C (no) | 1989-06-16 | 1990-06-13 | Inngangskrets for en måleenhet |
Country Status (10)
Country | Link |
---|---|
US (1) | US5053697A (no) |
EP (1) | EP0403330B1 (no) |
AT (1) | ATE98022T1 (no) |
CA (1) | CA2018259C (no) |
DE (1) | DE69004865T2 (no) |
DK (1) | DK0403330T3 (no) |
ES (1) | ES2046729T3 (no) |
FI (1) | FI106747B (no) |
FR (1) | FR2648565B1 (no) |
NO (1) | NO178740C (no) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5298857A (en) * | 1992-04-06 | 1994-03-29 | Landis & Gyr Metering, Inc. | Electrical energy meter with a precision integrator for current measurement |
BR9405758A (pt) * | 1993-02-12 | 1995-11-28 | Ekstroem Ind Inc | Aparelho para medição de consumo de energia elétrica aparelho leitor de energia elétrica remota processo para medir fornecimento de energia elétrica processo para calcular energia elétrica consumida e aparelho para medição remota |
US5696441A (en) * | 1994-05-13 | 1997-12-09 | Distribution Control Systems, Inc. | Linear alternating current interface for electronic meters |
FR2720835B1 (fr) * | 1994-06-01 | 1996-07-12 | Schlumberger Ind Sa | Circuit de mesure de courant comprenant un transformateur à inductance mutuelle et un circuit intégrateur. |
US5754440A (en) * | 1996-02-28 | 1998-05-19 | Eaton Corporation | Apparatus for harmonic analysis of waveforms in an AC electrical system |
GB2319345A (en) * | 1996-11-12 | 1998-05-20 | Gec Meters Ltd | Electricity consumption metering with transformer phase angle error compensation |
DE19845778B4 (de) * | 1998-09-22 | 2004-04-29 | Siemens Ag | Verfahren zur Abbildung von Gleichströmen und Gleichstromwandler zur Durchführung des Verfahrens |
US20040059474A1 (en) * | 2002-09-20 | 2004-03-25 | Boorman Daniel J. | Apparatuses and methods for displaying autoflight information |
US7852185B2 (en) * | 2003-05-05 | 2010-12-14 | Intel Corporation | On-die micro-transformer structures with magnetic materials |
US7208963B2 (en) * | 2004-10-29 | 2007-04-24 | Intel Corporation | Method and apparatus for measuring coil current |
US8134548B2 (en) * | 2005-06-30 | 2012-03-13 | Micron Technology, Inc. | DC-DC converter switching transistor current measurement technique |
US7928722B2 (en) * | 2009-02-20 | 2011-04-19 | Square D Company | Apparatus and method for voltage sensing in electrical metering systems |
JP5395929B2 (ja) * | 2012-06-05 | 2014-01-22 | カヤバ工業株式会社 | 電圧検出回路 |
CN105955247B (zh) * | 2016-07-06 | 2018-06-22 | 清华大学 | 一种基于解耦控制的力平衡闭环方法 |
AT521868A1 (de) * | 2018-11-09 | 2020-05-15 | Egston System Electronics Eggenburg Gmbh | Signalaufbereitungsschaltung |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR44528E (fr) * | 1933-10-24 | 1935-02-19 | Perfectionnements dans la fabrication des bandages herniaires par utilisation de matières plastiques | |
US3226641A (en) * | 1961-12-05 | 1965-12-28 | Gen Electric | Electronic type converter for producting a d.c. signal proportional to watt input |
US4182983A (en) * | 1978-07-11 | 1980-01-08 | Westinghouse Electric Corp. | Electronic AC electric energy measuring circuit |
US4250552A (en) * | 1979-09-10 | 1981-02-10 | Westinghouse Electric Corp. | AC Electric energy meter utilizing a counter as an integrator |
FR2487523A1 (fr) * | 1980-07-22 | 1982-01-29 | Alsthom Cgee | Dispositif de mesure de la puissance reactive monophasee d'un reseau electrique |
US4356446A (en) * | 1981-03-23 | 1982-10-26 | Transdata, Inc. | Time division multiplier transducer with selective phase shift |
JPS57207412A (en) * | 1981-06-17 | 1982-12-20 | Fujitsu Ltd | Rc active filter |
JPS5819015A (ja) * | 1981-07-27 | 1983-02-03 | Nec Corp | アクテイブ・フイルタ |
US4782287A (en) * | 1983-11-18 | 1988-11-01 | Sigma Instruments, Inc. | Watt-hour meter |
US4591810A (en) * | 1984-03-19 | 1986-05-27 | Westinghouse Electric Corp. | Pulse width modulator for electronic watthour metering |
US4596951A (en) * | 1984-03-19 | 1986-06-24 | Westinghouse Electric Corp. | Electronic circuit for measuring AC electrical energy |
US4733171A (en) * | 1987-02-04 | 1988-03-22 | General Electric Company | Differential switched-capacitor dual slope watthour meter circuit |
US4801874A (en) * | 1987-02-27 | 1989-01-31 | Process Systems, Inc. | Method and apparatus for measuring electricity |
-
1989
- 1989-06-16 FR FR8907998A patent/FR2648565B1/fr not_active Expired - Fee Related
-
1990
- 1990-05-31 ES ES199090401447T patent/ES2046729T3/es not_active Expired - Lifetime
- 1990-05-31 DE DE90401447T patent/DE69004865T2/de not_active Expired - Fee Related
- 1990-05-31 DK DK90401447.9T patent/DK0403330T3/da active
- 1990-05-31 AT AT90401447T patent/ATE98022T1/de not_active IP Right Cessation
- 1990-05-31 EP EP90401447A patent/EP0403330B1/fr not_active Expired - Lifetime
- 1990-06-05 CA CA002018259A patent/CA2018259C/en not_active Expired - Fee Related
- 1990-06-11 US US07/535,699 patent/US5053697A/en not_active Expired - Lifetime
- 1990-06-13 NO NO902635A patent/NO178740C/no unknown
- 1990-06-15 FI FI903015A patent/FI106747B/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NO902635L (no) | 1990-12-17 |
EP0403330B1 (fr) | 1993-12-01 |
FI106747B (fi) | 2001-03-30 |
CA2018259C (en) | 1999-10-19 |
EP0403330A1 (fr) | 1990-12-19 |
DK0403330T3 (da) | 1994-01-17 |
NO178740B (no) | 1996-02-12 |
ES2046729T3 (es) | 1994-02-01 |
CA2018259A1 (en) | 1990-12-16 |
DE69004865D1 (de) | 1994-01-13 |
FR2648565A1 (fr) | 1990-12-21 |
DE69004865T2 (de) | 1994-04-14 |
US5053697A (en) | 1991-10-01 |
ATE98022T1 (de) | 1993-12-15 |
NO902635D0 (no) | 1990-06-13 |
FI903015A0 (fi) | 1990-06-15 |
FR2648565B1 (fr) | 1991-10-11 |
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