ES2161837T3 - Circuito de medicion de corriente que comprende un transformador mutuamente acoplado y un circuito de integracion. - Google Patents
Circuito de medicion de corriente que comprende un transformador mutuamente acoplado y un circuito de integracion.Info
- Publication number
- ES2161837T3 ES2161837T3 ES95401162T ES95401162T ES2161837T3 ES 2161837 T3 ES2161837 T3 ES 2161837T3 ES 95401162 T ES95401162 T ES 95401162T ES 95401162 T ES95401162 T ES 95401162T ES 2161837 T3 ES2161837 T3 ES 2161837T3
- Authority
- ES
- Spain
- Prior art keywords
- circuit
- current measurement
- integration circuit
- mutually coupled
- coupled transformer
- 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.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/20—Increasing resolution using an n bit system to obtain n + m bits
- H03M1/201—Increasing resolution using an n bit system to obtain n + m bits by dithering
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Measurement Of Current Or Voltage (AREA)
- Transformers For Measuring Instruments (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Burglar Alarm Systems (AREA)
- Amplifiers (AREA)
- Networks Using Active Elements (AREA)
- Analogue/Digital Conversion (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Electrophonic Musical Instruments (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
UN CIRCUITO MEDIDOR DE CORRIENTE QUE CONSTA DE UN TRANSFORMADOR DE INDUCTANCIA MUTUA (3), UN CIRCUITO DE INTEGRACION (2) Y UN CIRCUITO DE ADICION DE SEÑALES ALEATORIAS (1) QUE AÑADE UNA ONDA RECTANGULAR A LA SEÑAL PROCEDENTE DEL TRANSFORMADOR (3) ANTES DE LA ENTRADA DEL CIRCUITO DE INTEGRACION (2) PARA QUE EL CIRCUITO DE INTEGRACION (2) GENERE UNA SEÑAL REPRESENTATIVA DE LA CORRIENTE MEDIDA PERTURBADA POR UNA SEÑAL DE ADICION DE SEÑALES ALEATORIAS TRIANGULAR.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9406675A FR2720835B1 (fr) | 1994-06-01 | 1994-06-01 | Circuit de mesure de courant comprenant un transformateur à inductance mutuelle et un circuit intégrateur. |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2161837T3 true ES2161837T3 (es) | 2001-12-16 |
Family
ID=9463749
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES95401162T Expired - Lifetime ES2161837T3 (es) | 1994-06-01 | 1995-05-19 | Circuito de medicion de corriente que comprende un transformador mutuamente acoplado y un circuito de integracion. |
Country Status (14)
Country | Link |
---|---|
US (1) | US5574380A (es) |
EP (1) | EP0685743B1 (es) |
CN (1) | CN1052073C (es) |
AT (1) | ATE203830T1 (es) |
CA (1) | CA2150635C (es) |
DE (1) | DE69521938T2 (es) |
DK (1) | DK0685743T3 (es) |
ES (1) | ES2161837T3 (es) |
FR (1) | FR2720835B1 (es) |
GR (1) | GR3037034T3 (es) |
HU (1) | HU216994B (es) |
PT (1) | PT685743E (es) |
RU (1) | RU2160903C2 (es) |
ZA (1) | ZA954456B (es) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003085430A (ja) * | 2001-09-12 | 2003-03-20 | Hitachi Ltd | 変圧器の受注支援方法 |
US7952343B2 (en) * | 2005-12-15 | 2011-05-31 | Chimei Innolux Corporation | Current measurement circuit and method |
DE102006038031A1 (de) * | 2006-05-26 | 2007-11-29 | Rohde & Schwarz Gmbh & Co. Kg | Messvorrichtung und Messverfahren zum Messen der Hüllkurvenleistung und des Leistungsmittelwerts |
CN103020379B (zh) * | 2012-12-26 | 2016-12-28 | 中国科学院微电子研究所 | 一种对互连结构进行电容提取的方法 |
US20140285180A1 (en) * | 2013-03-25 | 2014-09-25 | National Instruments Corporation | Circuit to Compensate for Inaccuracies in Current Transformers |
CN105353203A (zh) * | 2015-12-10 | 2016-02-24 | 成都宏凯瑞科技有限公司 | 一种基于带通滤波电路的多功能功率测试仪 |
JP2021016028A (ja) * | 2019-07-10 | 2021-02-12 | オムロン株式会社 | Ad変換装置、ad変換方法および信号処理装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4187466A (en) | 1978-01-16 | 1980-02-05 | Rolm Corporation | Signal injection technique |
US4255707A (en) * | 1979-08-07 | 1981-03-10 | Westinghouse Electric Corp. | Electrical energy meter |
US4467320A (en) * | 1982-05-06 | 1984-08-21 | The Bendix Corporation | Measurement of a linear variable differential transformer signal by phase conversion |
GB8426822D0 (en) * | 1984-10-23 | 1984-11-28 | Day S | Static electricity meter |
FR2648565B1 (fr) * | 1989-06-16 | 1991-10-11 | Schlumberger Ind Sa | Circuit d'entree pour compteur d'energie electrique |
IT1240168B (it) * | 1990-04-05 | 1993-11-27 | Marelli Autronica | Sistema di conversione analogico/digitale a risoluzione incrementata. |
US5265267A (en) * | 1991-08-29 | 1993-11-23 | Motorola, Inc. | Integrated circuit including a surface acoustic wave transformer and a balanced mixer |
US5180979A (en) * | 1991-10-07 | 1993-01-19 | Honeywell Inc. | Position measurement sensor using a linear variable differential transformer with a triangular pulse input and output |
JPH06130098A (ja) * | 1992-09-07 | 1994-05-13 | Mitsubishi Electric Corp | 電子式電力量計等の信号入力制御方法および装置 |
ATE175062T1 (de) | 1993-02-26 | 1999-01-15 | Schlumberger Ind Sa | Ad-wandler mit moduliertem zittersignal |
-
1994
- 1994-06-01 FR FR9406675A patent/FR2720835B1/fr not_active Expired - Fee Related
-
1995
- 1995-05-19 DK DK95401162T patent/DK0685743T3/da active
- 1995-05-19 PT PT95401162T patent/PT685743E/pt unknown
- 1995-05-19 EP EP95401162A patent/EP0685743B1/en not_active Expired - Lifetime
- 1995-05-19 US US08/444,499 patent/US5574380A/en not_active Expired - Lifetime
- 1995-05-19 DE DE69521938T patent/DE69521938T2/de not_active Expired - Fee Related
- 1995-05-19 ES ES95401162T patent/ES2161837T3/es not_active Expired - Lifetime
- 1995-05-19 AT AT95401162T patent/ATE203830T1/de not_active IP Right Cessation
- 1995-05-31 RU RU95108873/09A patent/RU2160903C2/ru not_active IP Right Cessation
- 1995-05-31 CN CN95108569A patent/CN1052073C/zh not_active Expired - Fee Related
- 1995-05-31 CA CA002150635A patent/CA2150635C/en not_active Expired - Fee Related
- 1995-05-31 ZA ZA954456A patent/ZA954456B/xx unknown
- 1995-06-01 HU HU9501594A patent/HU216994B/hu not_active IP Right Cessation
-
2001
- 2001-10-30 GR GR20010401904T patent/GR3037034T3/el not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2720835B1 (fr) | 1996-07-12 |
CA2150635C (en) | 2002-11-05 |
DE69521938T2 (de) | 2002-04-04 |
DK0685743T3 (da) | 2001-11-12 |
HU216994B (hu) | 1999-10-28 |
PT685743E (pt) | 2002-01-30 |
FR2720835A1 (fr) | 1995-12-08 |
RU2160903C2 (ru) | 2000-12-20 |
RU95108873A (ru) | 1997-02-10 |
CN1116309A (zh) | 1996-02-07 |
CA2150635A1 (en) | 1995-12-02 |
EP0685743A1 (en) | 1995-12-06 |
HUT72215A (en) | 1996-03-28 |
GR3037034T3 (en) | 2002-01-31 |
DE69521938D1 (de) | 2001-09-06 |
HU9501594D0 (en) | 1995-07-28 |
CN1052073C (zh) | 2000-05-03 |
ATE203830T1 (de) | 2001-08-15 |
ZA954456B (en) | 1996-03-19 |
US5574380A (en) | 1996-11-12 |
EP0685743B1 (en) | 2001-08-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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