ATE203830T1 - Stromme schaltung mit einem gegenseitig gekoppelten transformator und einem integrationskreis - Google Patents

Stromme schaltung mit einem gegenseitig gekoppelten transformator und einem integrationskreis

Info

Publication number
ATE203830T1
ATE203830T1 AT95401162T AT95401162T ATE203830T1 AT E203830 T1 ATE203830 T1 AT E203830T1 AT 95401162 T AT95401162 T AT 95401162T AT 95401162 T AT95401162 T AT 95401162T AT E203830 T1 ATE203830 T1 AT E203830T1
Authority
AT
Austria
Prior art keywords
circuit
integration circuit
mutually coupled
coupled transformer
integration
Prior art date
Application number
AT95401162T
Other languages
English (en)
Inventor
Michel Dubin
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 ATE203830T1 publication Critical patent/ATE203830T1/de

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)
  • Networks Using Active Elements (AREA)
  • Amplifiers (AREA)
  • Burglar Alarm Systems (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Analogue/Digital Conversion (AREA)
AT95401162T 1994-06-01 1995-05-19 Stromme schaltung mit einem gegenseitig gekoppelten transformator und einem integrationskreis ATE203830T1 (de)

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
ATE203830T1 true ATE203830T1 (de) 2001-08-15

Family

ID=9463749

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95401162T ATE203830T1 (de) 1994-06-01 1995-05-19 Stromme schaltung mit einem gegenseitig gekoppelten transformator und einem integrationskreis

Country Status (14)

Country Link
US (1) US5574380A (de)
EP (1) EP0685743B1 (de)
CN (1) CN1052073C (de)
AT (1) ATE203830T1 (de)
CA (1) CA2150635C (de)
DE (1) DE69521938T2 (de)
DK (1) DK0685743T3 (de)
ES (1) ES2161837T3 (de)
FR (1) FR2720835B1 (de)
GR (1) GR3037034T3 (de)
HU (1) HU216994B (de)
PT (1) PT685743E (de)
RU (1) RU2160903C2 (de)
ZA (1) ZA954456B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
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
EP1963870B1 (de) * 2005-12-15 2012-07-04 Chimei InnoLux Corporation Strommessschaltung und -verfahren
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
WO2025136853A1 (en) * 2023-12-21 2025-06-26 Landis+Gyr Technology, Inc. Electricity meter

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU499662A1 (ru) * 1974-05-12 1976-01-15 Азербайджанский Институт Нефти И Химии Им.М.Азизбекова Аналого-цифровой преобразователь мощности и действующего значени переменного напр жени
SU581437A1 (ru) * 1976-04-19 1977-11-25 Пензенский Политехнический Институт Преобразователь активной мощности и квадрата действующего значени переменного напр жени в интервал времени
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
EP0047090B1 (de) * 1980-09-01 1985-12-27 South Eastern Electricity Board Verfahren und Gerät zum Umwandeln einer analogen Spannung in eine digitale Darstellung
US4467320A (en) * 1982-05-06 1984-08-21 The Bendix Corporation Measurement of a linear variable differential transformer signal by phase conversion
GB2154329B (en) * 1983-08-01 1988-05-05 Robinton Prod Inc Power metering system and method
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
DE69322762T2 (de) 1993-02-26 1999-06-02 Schlumberger Industries S.A., Montrouge AD-Wandler mit moduliertem Zittersignal

Also Published As

Publication number Publication date
HU216994B (hu) 1999-10-28
FR2720835B1 (fr) 1996-07-12
ZA954456B (en) 1996-03-19
DE69521938T2 (de) 2002-04-04
FR2720835A1 (fr) 1995-12-08
HUT72215A (en) 1996-03-28
EP0685743A1 (de) 1995-12-06
ES2161837T3 (es) 2001-12-16
CN1116309A (zh) 1996-02-07
CA2150635A1 (en) 1995-12-02
DK0685743T3 (da) 2001-11-12
CN1052073C (zh) 2000-05-03
EP0685743B1 (de) 2001-08-01
RU95108873A (ru) 1997-02-10
HU9501594D0 (en) 1995-07-28
PT685743E (pt) 2002-01-30
RU2160903C2 (ru) 2000-12-20
DE69521938D1 (de) 2001-09-06
GR3037034T3 (en) 2002-01-31
US5574380A (en) 1996-11-12
CA2150635C (en) 2002-11-05

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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