ZA936216B - Active filter for reducing non-fundamental currents and voltages - Google Patents
Active filter for reducing non-fundamental currents and voltagesInfo
- Publication number
- ZA936216B ZA936216B ZA936216A ZA936216A ZA936216B ZA 936216 B ZA936216 B ZA 936216B ZA 936216 A ZA936216 A ZA 936216A ZA 936216 A ZA936216 A ZA 936216A ZA 936216 B ZA936216 B ZA 936216B
- Authority
- ZA
- South Africa
- Prior art keywords
- voltages
- active filter
- reducing non
- fundamental currents
- fundamental
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/01—Arrangements for reducing harmonics or ripples
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Power Conversion In General (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Secondary Cells (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/934,924 US5397927A (en) | 1992-08-25 | 1992-08-25 | Active filter for reducing non-fundamental currents and voltages |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA936216B true ZA936216B (en) | 1994-06-29 |
Family
ID=25466282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA936216A ZA936216B (en) | 1992-08-25 | 1993-08-25 | Active filter for reducing non-fundamental currents and voltages |
Country Status (8)
Country | Link |
---|---|
US (1) | US5397927A (es) |
EP (1) | EP0609434A1 (es) |
AU (1) | AU4837993A (es) |
CA (1) | CA2122129A1 (es) |
MX (1) | MX9305150A (es) |
TW (1) | TW281821B (es) |
WO (1) | WO1994005067A1 (es) |
ZA (1) | ZA936216B (es) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2716045B1 (fr) * | 1994-02-04 | 1996-03-15 | Schlumberger Ind Sa | Filtre actif. |
US5483148A (en) * | 1994-02-14 | 1996-01-09 | Rensselaer Polytechnic Institute | Single-phase active power filter for multiple nonlinear loads and method therefor |
US5548165A (en) * | 1994-07-18 | 1996-08-20 | Regents Of The University Of Minnesota | Hybrid filter for reducing distortion in a power system |
AT404527B (de) * | 1994-07-20 | 1998-12-28 | Johann Walter Kolar | Aktive netzspannungsfilterung mit vorgebbarer innerer impedanz |
US5594630A (en) * | 1995-06-27 | 1997-01-14 | Sundstrand Corporation | Add-on distortion scrubber for AC power systems |
US5567994A (en) * | 1995-09-29 | 1996-10-22 | Allen-Bradley Company, Inc. | Active harmonic filter with time domain analysis |
CA2212504C (en) * | 1996-08-09 | 2004-11-16 | Mesta Electronics, Inc. | Active harmonic filter and power factor corrector |
WO1998040948A1 (en) * | 1997-03-13 | 1998-09-17 | Asea Brown Boveri Jumet S.A. | An active filter device |
SE514498C2 (sv) * | 1997-03-13 | 2001-03-05 | Abb Ab | Styrutrustning för ett aktivt filter samt HVDC-anläggning innefattande sådan styrutrustning |
GB9713878D0 (en) * | 1997-06-30 | 1997-09-03 | Roxburgh Electronics Ltd | Mains filtering circuit |
GB2376819A (en) * | 2001-06-21 | 2002-12-24 | Ericsson Telefon Ab L M | Electronic circuit having series connected circuit blocks |
GB2389973B (en) * | 2002-06-18 | 2006-02-15 | Alstom | Improvements relating to electrical filters |
CN1323477C (zh) * | 2003-04-30 | 2007-06-27 | 华中科技大学 | 一种大容量串联型有源电力滤波器 |
US7465872B1 (en) * | 2003-12-15 | 2008-12-16 | General Electric Company | Photovoltaic power converter system with a controller configured to actively compensate load harmonics |
FR2910734B1 (fr) * | 2006-12-26 | 2009-02-06 | Univ Poitiers | Filtrage actif d'un courant triphase |
CN101680922B (zh) * | 2007-02-27 | 2013-04-17 | Osi软件公司 | 电力线的阻抗测量 |
US7834480B2 (en) * | 2007-06-20 | 2010-11-16 | Mesta Electronics, Inc. | Energy converter system with reactive-power-management |
WO2009046762A1 (en) | 2007-10-10 | 2009-04-16 | Schaffner Emv Ag | Emc filter |
EP2559123B1 (de) * | 2010-04-15 | 2016-09-07 | System Electric GmbH | Modulanordnung zum anwendungsspezifischen aufbau von blindleistungs-kompensations-, filter- und saugkreisanlagen |
WO2014174667A1 (ja) * | 2013-04-26 | 2014-10-30 | 富士電機株式会社 | 共振抑制装置 |
US11289940B2 (en) | 2013-06-14 | 2022-03-29 | Abb Schweiz Ag | Systems and methods for multi-use multi-mode ups |
DE102014110672B4 (de) * | 2014-07-29 | 2016-06-30 | Infineon Technologies Austria Ag | Schaltung mit einem RC-Filter |
JP6515588B2 (ja) * | 2015-02-27 | 2019-05-22 | 富士電機株式会社 | 共振抑制装置及び共振抑制方法 |
US11169187B2 (en) * | 2019-06-28 | 2021-11-09 | King Fahd University Of Petroleum And Minerals | Zig zag based load flow method and system for extended radial distribution systems |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3531652A (en) * | 1968-03-20 | 1970-09-29 | Allen Bradley Co | Active narrow notch filter |
US3628057A (en) * | 1970-06-19 | 1971-12-14 | Allen Bradley Co | Corrective circuit for an active narrow notch filter |
US4020361A (en) * | 1974-10-04 | 1977-04-26 | Delta Electronic Control Corporation | Switching mode power controller of large dynamic range |
DE2716153C2 (de) * | 1977-04-12 | 1982-04-29 | Siemens AG, 1000 Berlin und 8000 München | Schaltung zur Kompensation von Oberschwingungsströmen in einer elektrischen Verbraucheranordnung |
US4135101A (en) * | 1977-07-08 | 1979-01-16 | Power Monitors, Inc. | Method and apparatus for controlling loads in electric power systems by reduction of peak loads |
US4206398A (en) * | 1978-04-26 | 1980-06-03 | Esb Incorporated | Method of and apparatus for detecting ground faults in isolated power supply systems |
US4224660A (en) * | 1979-01-22 | 1980-09-23 | The Regents Of The University Of Minnesota | Composite filter for suppressing harmonic frequencies on electric power transmission lines |
JPH0834669B2 (ja) * | 1986-06-26 | 1996-03-29 | 三菱電機株式会社 | 高調波抑制装置 |
JP2554261B2 (ja) * | 1987-07-24 | 1996-11-13 | 三菱電機株式会社 | アクテイブフイルタ装置 |
JPS6485574A (en) * | 1987-09-28 | 1989-03-30 | Toshiba Corp | Power converting device |
JPH0655009B2 (ja) * | 1987-11-16 | 1994-07-20 | 三菱電機株式会社 | アクテイブフイルタの制御装置 |
HU202338B (en) * | 1988-01-18 | 1991-02-28 | Budapesti Mueszaki Egyetem | Active filter for filtering upper harmonics generated by a nonlinear consumer coupled on power network |
JPH063861B2 (ja) * | 1990-02-14 | 1994-01-12 | 株式会社東芝 | アクティブ・フィルタ |
JP2893882B2 (ja) * | 1990-07-11 | 1999-05-24 | 三菱電機株式会社 | アクティブフィルタ装置 |
US5172009A (en) * | 1991-02-25 | 1992-12-15 | Regents Of The University Of Minnesota | Standby power supply with load-current harmonics neutralizer |
US5198746A (en) * | 1991-09-16 | 1993-03-30 | Westinghouse Electric Corp. | Transmission line dynamic impedance compensation system |
-
1992
- 1992-08-25 US US07/934,924 patent/US5397927A/en not_active Expired - Fee Related
-
1993
- 1993-08-25 AU AU48379/93A patent/AU4837993A/en not_active Abandoned
- 1993-08-25 EP EP93921185A patent/EP0609434A1/en not_active Ceased
- 1993-08-25 CA CA002122129A patent/CA2122129A1/en not_active Abandoned
- 1993-08-25 ZA ZA936216A patent/ZA936216B/xx unknown
- 1993-08-25 MX MX9305150A patent/MX9305150A/es unknown
- 1993-08-25 WO PCT/US1993/007985 patent/WO1994005067A1/en not_active Application Discontinuation
- 1993-10-21 TW TW082108778A patent/TW281821B/zh active
Also Published As
Publication number | Publication date |
---|---|
MX9305150A (es) | 1994-05-31 |
CA2122129A1 (en) | 1994-03-03 |
AU4837993A (en) | 1994-03-15 |
WO1994005067A1 (en) | 1994-03-03 |
EP0609434A1 (en) | 1994-08-10 |
US5397927A (en) | 1995-03-14 |
TW281821B (es) | 1996-07-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ZA936216B (en) | Active filter for reducing non-fundamental currents and voltages | |
ZA928933B (en) | Load cell | |
AU4794593A (en) | Antisense viruses and antisense-ribozyme viruses | |
EP0569219A3 (en) | High voltage input pad protection circuitry | |
KR0135740B1 (en) | Active filter circuit | |
GB9204770D0 (en) | Workcentre and supports | |
PL308643A1 (en) | Penemes containing substituted 6-methylene group and semiproducts for obtaining them | |
SG43950A1 (en) | Electro-optic sampling | |
EP0564899A3 (en) | High voltage switchboard | |
GB9318094D0 (en) | Set of envelopes | |
HU9301871D0 (en) | Phenyl-propione and cinnamonic acid derivatives holding imidazolyle substitutent | |
IL102374A0 (en) | Nanocrystalline cell | |
GB9213662D0 (en) | Carrier and spacer | |
GB2271359B (en) | An electrode | |
GB9220655D0 (en) | Load cell | |
AU2278797A (en) | Drywell cover and drywell | |
GB9223973D0 (en) | Voltage reduction device | |
AU5400094A (en) | Frame and suspension device primarily for so-called av- systems | |
PL284631A1 (en) | System for indicating voltage values and polarities | |
EP0594976A3 (en) | Medium voltage switchgear | |
AU4265393A (en) | Voltage reduction circuit | |
GB9205816D0 (en) | Re-inking device and method | |
PL294531A1 (en) | Neutralizars of geopathic /terrestial/ and geobiological /cosmical/ irritations | |
HU9201475D0 (en) | Oriana | |
GB9213256D0 (en) | Cell |