BR8903689A - Dispositivo de medicao das correntes de fase de uma instalacao trifasica - Google Patents
Dispositivo de medicao das correntes de fase de uma instalacao trifasicaInfo
- Publication number
- BR8903689A BR8903689A BR898903689A BR8903689A BR8903689A BR 8903689 A BR8903689 A BR 8903689A BR 898903689 A BR898903689 A BR 898903689A BR 8903689 A BR8903689 A BR 8903689A BR 8903689 A BR8903689 A BR 8903689A
- Authority
- BR
- Brazil
- Prior art keywords
- phase
- installation
- medication device
- current medication
- phase current
- Prior art date
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
- G01R15/181—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using coils without a magnetic core, e.g. Rogowski coils
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8810063A FR2634897A1 (fr) | 1988-07-26 | 1988-07-26 | Dispositif de mesure des courants de phase d'une installation triphasee |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8903689A true BR8903689A (pt) | 1990-04-17 |
Family
ID=9368780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR898903689A BR8903689A (pt) | 1988-07-26 | 1989-07-25 | Dispositivo de medicao das correntes de fase de uma instalacao trifasica |
Country Status (6)
Country | Link |
---|---|
US (1) | US4933630A (pt) |
EP (1) | EP0356696A1 (pt) |
JP (1) | JPH0315762A (pt) |
CN (1) | CN1042240A (pt) |
BR (1) | BR8903689A (pt) |
FR (1) | FR2634897A1 (pt) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4204515A1 (de) * | 1992-02-15 | 1993-08-19 | Abb Patent Gmbh | Verfahren zum messen von stroemen sowie anordnung zur durchfuehrung des verfahrens |
US6366076B1 (en) * | 1997-04-21 | 2002-04-02 | Liaisons Electroniques-Mecaniques Lem Sa | Device with wide passband for measuring electric current intensity in a conductor |
US6313623B1 (en) | 2000-02-03 | 2001-11-06 | Mcgraw-Edison Company | High precision rogowski coil |
FR2820048B1 (fr) * | 2001-01-31 | 2003-03-21 | Salomon Sa | Dispositif de retenue d'une chaussure sur un engin de sport |
SE0101125L (sv) * | 2001-03-30 | 2002-10-01 | Ragnar Joensson | Styranordning och -metod för en transistorswitchkrets |
US6529013B2 (en) | 2001-05-31 | 2003-03-04 | Mcgraw-Edison Company | Three-phase voltage sensor with active crosstalk cancellation |
US6717395B2 (en) | 2001-05-31 | 2004-04-06 | Mcgraw-Edison Company | Current transformer based high voltage measurement apparatus |
US6680608B2 (en) | 2002-02-27 | 2004-01-20 | Mcgraw-Edison Company | Measuring current through an electrical conductor |
US7180717B2 (en) * | 2002-07-12 | 2007-02-20 | Cooper Technologies Company | Electrical network protection system |
US6810069B2 (en) | 2002-07-12 | 2004-10-26 | Mcgraw-Edison Company | Electrical arc furnace protection system |
US6940702B2 (en) * | 2002-07-12 | 2005-09-06 | Mcgraw-Edison Company | Electrical protection system |
US7003435B2 (en) * | 2002-10-03 | 2006-02-21 | Leviton Manufacturing Co., Inc. | Arc fault detector with circuit interrupter |
US6972572B2 (en) | 2003-12-22 | 2005-12-06 | Leviton Manufacturing Co., Inc. | Arc fault detector |
DE102004011023A1 (de) * | 2004-03-04 | 2005-09-15 | Siemens Ag | Drei- oder vierpoliger Niederspannungs-Leistungsschalter mit als Stromsensoren dienenden Rogowskispulen |
US7221140B2 (en) * | 2004-03-16 | 2007-05-22 | Tyco Electronics Power Systems, Inc. | Circuit, method and system for providing one or more phase voltages from input voltages |
FR2872580B1 (fr) * | 2004-06-30 | 2006-09-01 | Valeo Equip Electr Moteur | Procede de mesure du courant electrique dans une pluralite de conducteurs |
US7230413B2 (en) * | 2004-10-19 | 2007-06-12 | Siemens Energy & Automation, Inc. | Flexible current sensor |
GB2435135B (en) * | 2006-02-11 | 2008-05-21 | Rolls Royce Plc | Fault current limiting within an electrical power network |
US7638999B2 (en) * | 2006-04-07 | 2009-12-29 | Cooper Technologies Company | Protective relay device, system and methods for Rogowski coil sensors |
US7564233B2 (en) * | 2006-11-06 | 2009-07-21 | Cooper Technologies Company | Shielded Rogowski coil assembly and methods |
US7598724B2 (en) * | 2007-01-19 | 2009-10-06 | Admmicro Properties, Llc | Flexible current transformer assembly |
CN101187678B (zh) * | 2007-11-30 | 2010-12-01 | 艾默生网络能源有限公司 | 一种变频器输出电压检测电路 |
US7738221B2 (en) | 2007-12-07 | 2010-06-15 | Cooper Technologies Company | Transformer inrush current detector |
WO2009097469A1 (en) | 2008-01-29 | 2009-08-06 | Leviton Manufacturing Co., Inc. | Self testing fault circuit interrupter apparatus and method |
US7924537B2 (en) * | 2008-07-09 | 2011-04-12 | Leviton Manufacturing Company, Inc. | Miswiring circuit coupled to an electrical fault interrupter |
US8743513B2 (en) * | 2010-06-03 | 2014-06-03 | Shakira Limited | Arc fault detector for AC or DC installations |
US8599523B1 (en) | 2011-07-29 | 2013-12-03 | Leviton Manufacturing Company, Inc. | Arc fault circuit interrupter |
CN104769443B (zh) * | 2012-11-26 | 2017-09-01 | 三菱电机株式会社 | 电流检测装置 |
CN103575959B (zh) * | 2013-09-02 | 2017-02-01 | 北京交通大学 | 一种新型非接触式三相电流测量方法 |
US9759758B2 (en) | 2014-04-25 | 2017-09-12 | Leviton Manufacturing Co., Inc. | Ground fault detector |
FR3026489B1 (fr) * | 2014-09-29 | 2016-12-09 | Schneider Electric Ind Sas | Procede d'estimation d'une tension et dispositif permettant une telle estimation |
GB2546743B (en) | 2016-01-26 | 2019-02-13 | Shakira Ltd | An arc fault current detector |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2656817A1 (de) * | 1976-12-15 | 1978-06-22 | Siemens Ag | Strommessgeber fuer die potentialtrennende erfassung des strom-istwertes in einem leiter |
DE2845155C2 (de) * | 1978-10-17 | 1986-10-09 | Siemens AG, 1000 Berlin und 8000 München | Einrichtung zur Messung der Leiterströme in mehrphasigen Mittelspannungsanlagen |
JPS5567658A (en) * | 1978-11-15 | 1980-05-21 | Mitsubishi Electric Corp | Measurement unit for poly phase alternating current |
US4794327A (en) * | 1983-04-13 | 1988-12-27 | Fernandes Roosevelt A | Electrical parameter sensing module for mounting on and removal from an energized high voltage power conductor |
US4795973A (en) * | 1984-11-08 | 1989-01-03 | Niagara Mohawk Power Corporation | Line mounted apparatus for measuring line potential |
-
1988
- 1988-07-26 FR FR8810063A patent/FR2634897A1/fr not_active Withdrawn
-
1989
- 1989-07-18 US US07/381,431 patent/US4933630A/en not_active Expired - Fee Related
- 1989-07-24 EP EP89113557A patent/EP0356696A1/fr not_active Withdrawn
- 1989-07-25 BR BR898903689A patent/BR8903689A/pt unknown
- 1989-07-26 CN CN89106097.9A patent/CN1042240A/zh active Pending
- 1989-07-26 JP JP1193780A patent/JPH0315762A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0356696A1 (fr) | 1990-03-07 |
JPH0315762A (ja) | 1991-01-24 |
CN1042240A (zh) | 1990-05-16 |
FR2634897A1 (fr) | 1990-02-02 |
US4933630A (en) | 1990-06-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
KD | Notifcation of receipt (letter patent) | ||
FA4 | Application deemed withdrawn (art. 21(1)) |