DE60045232D1 - - Google Patents
Info
- Publication number
- DE60045232D1 DE60045232D1 DE60045232T DE60045232T DE60045232D1 DE 60045232 D1 DE60045232 D1 DE 60045232D1 DE 60045232 T DE60045232 T DE 60045232T DE 60045232 T DE60045232 T DE 60045232T DE 60045232 D1 DE60045232 D1 DE 60045232D1
- Authority
- DE
- Germany
- Prior art keywords
- signal
- adjusted
- gain factor
- integration
- feedback value
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0092—Details of emergency protective circuit arrangements concerning the data processing means, e.g. expert systems, neural networks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
Landscapes
- Engineering & Computer Science (AREA)
- Artificial Intelligence (AREA)
- Evolutionary Computation (AREA)
- Emergency Protection Circuit Devices (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/268,712 US6473723B1 (en) | 1999-03-17 | 1999-03-17 | Mimic high pass filter in a protective relay |
PCT/US2000/006415 WO2000055952A1 (en) | 1999-03-17 | 2000-03-17 | Mimic high pass filter in a protective relay |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60045232D1 true DE60045232D1 (de) | 2010-12-30 |
Family
ID=23024150
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60045232T Expired - Lifetime DE60045232D1 (de) | 1999-03-17 | 2000-03-17 |
Country Status (11)
Country | Link |
---|---|
US (1) | US6473723B1 (de) |
EP (1) | EP1078431B1 (de) |
JP (1) | JP4325970B2 (de) |
CN (1) | CN100392931C (de) |
AT (1) | ATE488897T1 (de) |
AU (1) | AU771746B2 (de) |
BR (1) | BR0005389B1 (de) |
CA (1) | CA2329127C (de) |
DE (1) | DE60045232D1 (de) |
ES (1) | ES2352413T3 (de) |
WO (1) | WO2000055952A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6473723B1 (en) * | 1999-03-17 | 2002-10-29 | General Electric Company | Mimic high pass filter in a protective relay |
JP2002262447A (ja) * | 2001-03-02 | 2002-09-13 | Toshiba Corp | 保護継電装置 |
CN101006348B (zh) * | 2004-04-18 | 2011-01-05 | 埃莱斯派克工程有限公司 | 电力质量监测 |
US10388445B2 (en) * | 2016-12-21 | 2019-08-20 | Eaton Intelligent Power Limited | Current sensing circuit and current sensing assembly including the same |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4300182A (en) * | 1979-08-09 | 1981-11-10 | Schweitzer Edmund O Iii | Metering and protection system for an A.C. power system |
US4577279A (en) | 1983-05-31 | 1986-03-18 | Westinghouse Electric Corp. | Method and apparatus for providing offset compensation |
US4689570A (en) * | 1984-04-26 | 1987-08-25 | Mitsubishi Denki Kabushiki Kaisha | Digital protective relay monitoring system |
US5070754A (en) * | 1988-09-20 | 1991-12-10 | Adamson Tod M | Digital audio signal processor |
JPH03181212A (ja) | 1989-12-08 | 1991-08-07 | Ricoh Co Ltd | オフセット補償回路 |
US5103675A (en) * | 1989-12-20 | 1992-04-14 | Komninos Nikolaos I | Signal detector and method for detecting signals having selected frequency characteristics |
JPH0629755A (ja) * | 1992-07-10 | 1994-02-04 | Mitsubishi Electric Corp | 前置増幅器 |
US5355305A (en) * | 1992-10-29 | 1994-10-11 | Johnson Service Company | Pattern recognition adaptive controller |
US5455776A (en) | 1993-09-08 | 1995-10-03 | Abb Power T & D Company Inc. | Automatic fault location system |
SE501936C2 (sv) | 1993-09-28 | 1995-06-26 | Asea Brown Boveri | Förfarande för att efter det att ett fel har inträffat i ett kraftnät mäta och återskapa fasströmmarna samt anordning för genomförande av det nämnda förfarandet |
JP3322996B2 (ja) | 1994-07-01 | 2002-09-09 | 東京電力株式会社 | 保護継電方式 |
US5736847A (en) * | 1994-12-30 | 1998-04-07 | Cd Power Measurement Limited | Power meter for determining parameters of muliphase power lines |
US5751138A (en) * | 1995-06-22 | 1998-05-12 | University Of Washington | Active power conditioner for reactive and harmonic compensation having PWM and stepped-wave inverters |
US5798932A (en) | 1996-05-21 | 1998-08-25 | General Electric Company | Methods and apparatus for removing error due to decaying offsets from measured power system currents |
US6173216B1 (en) * | 1998-04-15 | 2001-01-09 | Abb Power T&D Company Inc. | Protective relay with improved, sub-window cosine filter |
US6473723B1 (en) * | 1999-03-17 | 2002-10-29 | General Electric Company | Mimic high pass filter in a protective relay |
-
1999
- 1999-03-17 US US09/268,712 patent/US6473723B1/en not_active Expired - Fee Related
-
2000
- 2000-03-17 EP EP00917864A patent/EP1078431B1/de not_active Expired - Lifetime
- 2000-03-17 JP JP2000605292A patent/JP4325970B2/ja not_active Expired - Fee Related
- 2000-03-17 CN CNB008003572A patent/CN100392931C/zh not_active Expired - Fee Related
- 2000-03-17 ES ES00917864T patent/ES2352413T3/es not_active Expired - Lifetime
- 2000-03-17 DE DE60045232T patent/DE60045232D1/de not_active Expired - Lifetime
- 2000-03-17 AU AU38771/00A patent/AU771746B2/en not_active Ceased
- 2000-03-17 BR BRPI0005389-9A patent/BR0005389B1/pt not_active IP Right Cessation
- 2000-03-17 WO PCT/US2000/006415 patent/WO2000055952A1/en active IP Right Grant
- 2000-03-17 AT AT00917864T patent/ATE488897T1/de not_active IP Right Cessation
- 2000-03-17 CA CA2329127A patent/CA2329127C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ATE488897T1 (de) | 2010-12-15 |
AU3877100A (en) | 2000-10-04 |
BR0005389B1 (pt) | 2014-01-07 |
US6473723B1 (en) | 2002-10-29 |
WO2000055952A1 (en) | 2000-09-21 |
CN100392931C (zh) | 2008-06-04 |
ES2352413T3 (es) | 2011-02-18 |
JP2002539755A (ja) | 2002-11-19 |
CA2329127A1 (en) | 2000-09-21 |
BR0005389A (pt) | 2001-01-09 |
AU771746B2 (en) | 2004-04-01 |
CN1296656A (zh) | 2001-05-23 |
EP1078431B1 (de) | 2010-11-17 |
EP1078431A1 (de) | 2001-02-28 |
JP4325970B2 (ja) | 2009-09-02 |
CA2329127C (en) | 2012-09-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU2001279113A1 (en) | Amplification systems and methods using fixed and modulated power supply voltages and buck-boost control | |
WO2002005419A3 (en) | Class d audio amplifier | |
GB9611239D0 (en) | Method and apparatus for amplifying a signal | |
TW342553B (en) | Efficient parallel-stage power amplifier | |
WO2007067973A3 (en) | Piezoelectric transducer signal processing circuit | |
EP0951141A3 (de) | Direktes Audiosignal aus der Speisespannung | |
DE60001148T2 (de) | Schaltung zur rausch- und fehlerkompensation der ausgangsstufe eines digitalen verstärkers | |
ATE463076T1 (de) | Leistungsverstärker | |
TW200618464A (en) | Low noise audio amplifier | |
WO2005094537A3 (en) | Model based distortion reduction for power amplifiers | |
ATE385066T1 (de) | Sender mit einem zusammensetzungsverstärker | |
EP1384327A4 (de) | Verfahren und system zum betreiben zweier oder mehrerer integratoren mit verschiedenen stromversorgungen für einen analog-/digital-delta-sigma-modulator | |
GB9926886D0 (en) | Linerisation of an amplifier | |
TW350171B (en) | Amplification circuit and the apparatus | |
DE60045232D1 (de) | ||
EP0964525A3 (de) | Rauscharmer Sigma-Delta Analog-Digital-Wandler | |
EP1296450A3 (de) | Verstärker mit Begrenzer | |
WO2004055971A3 (de) | Sendestufe nach dem envelope-elimination-restoration prinzip (eer) | |
EP1003284A3 (de) | Schaltung zur automatischen Verstärkungsregelung | |
ATE269604T1 (de) | Verfahren zum umwandeln eines analogen signals in ein digitales signal | |
EP1164693A3 (de) | Verstärkervorrichtung | |
JPS6444612A (en) | Sound volume adjusting circuit | |
JPS53105962A (en) | Voltage amplifier | |
WO2004055980A3 (en) | System for regulating the level of an amplified signal in an amplification chain. | |
GB2446338A (en) | Piezoelectric transducer signal processing circuit |