GB2172417B - Transient free solid state automatic power factor correction - Google Patents
Transient free solid state automatic power factor correctionInfo
- Publication number
- GB2172417B GB2172417B GB08605592A GB8605592A GB2172417B GB 2172417 B GB2172417 B GB 2172417B GB 08605592 A GB08605592 A GB 08605592A GB 8605592 A GB8605592 A GB 8605592A GB 2172417 B GB2172417 B GB 2172417B
- Authority
- GB
- United Kingdom
- Prior art keywords
- solid state
- power factor
- factor correction
- automatic power
- free solid
- 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
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; 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
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
- H02J3/1821—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
- H02J3/1835—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control
- H02J3/1864—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control using reactive elements connected in series with semiconductor switches, e.g. static VAR compensators [SVC], thyristor-controlled reactors [TCR] or thyristor-switched capacitors [TSC]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; 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
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
-
- 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
- Y02E40/10—Flexible AC transmission systems [FACTS]
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S323/00—Electricity: power supply or regulation systems
- Y10S323/91—Two of three phases regulated
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Electrical Variables (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/711,170 US4645997A (en) | 1985-03-13 | 1985-03-13 | Transient free solid state automatic power factor correction |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB8605592D0 GB8605592D0 (en) | 1986-04-09 |
| GB2172417A GB2172417A (en) | 1986-09-17 |
| GB2172417B true GB2172417B (en) | 1988-10-05 |
Family
ID=24857033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB08605592A Expired GB2172417B (en) | 1985-03-13 | 1986-03-06 | Transient free solid state automatic power factor correction |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4645997A (enExample) |
| EP (1) | EP0194574B1 (enExample) |
| JP (1) | JPS61253519A (enExample) |
| KR (1) | KR860007765A (enExample) |
| DE (2) | DE3686825D1 (enExample) |
| GB (1) | GB2172417B (enExample) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62224814A (ja) * | 1986-03-26 | 1987-10-02 | Toshiba Corp | 無効電力補償装置の制御装置 |
| JPS63163514U (enExample) * | 1987-04-13 | 1988-10-25 | ||
| FR2646297B1 (fr) * | 1989-04-21 | 1995-01-13 | Caen Claude | Procede de commande d'interrupteurs pour l'alimentation en ondes entieres d'un circuit triphase |
| US5134356A (en) * | 1990-06-22 | 1992-07-28 | Board Of Regents Of The University Of Washington | Reactive power compensator |
| US5180963A (en) * | 1990-06-22 | 1993-01-19 | Board Of Regents Of The University Of Washington | Optically triggered high voltage switch network and method for switching a high voltage |
| US5072187A (en) * | 1990-06-29 | 1991-12-10 | Digital Equipment Corporation | Method and apparatus for determining the total harmonic distortion and power factor of a non-linear load circuit |
| EP0528016B1 (en) * | 1991-03-07 | 1996-08-14 | The Board Of Regents Of The University Of Washington | Reactive power compensator |
| EP0676854B1 (en) * | 1994-04-08 | 2001-12-12 | Vlt Corporation | Efficient power conversion |
| DE4436593A1 (de) * | 1994-10-13 | 1996-04-25 | Mueller & Weigert | Verfahren zur Ermittlung einer Kompensationskapazität |
| DE4446864C2 (de) * | 1994-12-27 | 1996-10-24 | Siemens Ag | Abschaltverfahren für einen dreiphasigen Blindleistungssteller mit zwei Thyristorschaltern |
| US5619405A (en) * | 1995-12-21 | 1997-04-08 | Reltec Corporation | Variable bandwith control for power factor correction |
| US5847942A (en) * | 1996-05-30 | 1998-12-08 | Unitrode Corporation | Controller for isolated boost converter with improved detection of RMS input voltage for distortion reduction and having load-dependent overlap conduction delay of shunt MOSFET |
| US5661645A (en) | 1996-06-27 | 1997-08-26 | Hochstein; Peter A. | Power supply for light emitting diode array |
| US5927598A (en) * | 1997-04-23 | 1999-07-27 | Wexl | Energy management method and apparatus |
| US6150771A (en) * | 1997-06-11 | 2000-11-21 | Precision Solar Controls Inc. | Circuit for interfacing between a conventional traffic signal conflict monitor and light emitting diodes replacing a conventional incandescent bulb in the signal |
| ES2152889B1 (es) * | 1999-03-30 | 2001-08-16 | I D De Desarrollo De Circuitos | Dispositivo para la conexion de condensadores a redes de corriente alterna. |
| US6121758A (en) * | 1999-06-23 | 2000-09-19 | Daq Electronics, Inc. | Adaptive synchronous capacitor switch controller |
| US6181113B1 (en) | 1999-07-29 | 2001-01-30 | Abb Power T&D Company Inc. | Harmonic resonance control and protection system for switched power factor control capacitor devices |
| US7002321B2 (en) * | 2001-06-05 | 2006-02-21 | Mcdaniel William D | Automatic power factor correction using power measurement chip |
| US9093833B1 (en) * | 2008-12-05 | 2015-07-28 | Power Factor Correction Llc | Power factor correction apparatus for appliances having inductive loads |
| US8164314B2 (en) * | 2009-05-07 | 2012-04-24 | Toyota Motor Engineering & Manufacturing North America, Inc. | Distributed capacitor bank controllers and methods thereof |
| US8922175B2 (en) | 2011-03-31 | 2014-12-30 | General Electric Company | System and method for operating capacitor banks |
| AU2011380562B2 (en) * | 2011-11-03 | 2017-04-20 | Hubbell Incorporated | Control system for synchronous capacitor switch |
| FR3029024B1 (fr) * | 2014-11-21 | 2018-10-12 | Evtronic | Procede d'optimisation de l'energie electrique d'appoint fournie par une source auxiliaire |
| WO2019164425A1 (en) | 2018-02-21 | 2019-08-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Reactive power control in power systems |
| GB2576715B (en) * | 2018-08-24 | 2022-06-15 | Energy Facilities Uk Ltd | Capacitive unit for local power factor correction and system comprising multiple capacitive units |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH429920A (de) * | 1965-02-19 | 1967-02-15 | Bbc Brown Boveri & Cie | Einrichtung an einer Induktions-Glüh- oder Schmelzanlage zur Blindleistungskompensation |
| US3701013A (en) * | 1971-03-18 | 1972-10-24 | Allis Chalmers Mfg Co | Power factor relay |
| US3754184A (en) * | 1972-06-21 | 1973-08-21 | Harnischfeger Corp | Reactive power compensation control system |
| US4055795A (en) * | 1976-07-15 | 1977-10-25 | H.O.P. Consulab Inc. | Correction system for regulating the power factor of an electrical network |
| DE2811751C2 (de) * | 1978-03-17 | 1983-02-03 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Elektronischer Schalter zum Ein- und Ausschalten eines Leistungskondensators |
| US4356440A (en) * | 1980-09-18 | 1982-10-26 | The Charles Stark Draper Laboratory, Inc. | Power factor correction system |
| US4365190A (en) * | 1981-03-19 | 1982-12-21 | Asi Systems, Inc. | Automatic var controller |
| US4348631A (en) * | 1981-06-04 | 1982-09-07 | Westinghouse Electric Corp. | Static VAR generator |
-
1985
- 1985-03-13 US US06/711,170 patent/US4645997A/en not_active Expired - Fee Related
-
1986
- 1986-03-05 DE DE8686102910T patent/DE3686825D1/de not_active Expired - Lifetime
- 1986-03-05 EP EP86102910A patent/EP0194574B1/en not_active Expired - Lifetime
- 1986-03-06 GB GB08605592A patent/GB2172417B/en not_active Expired
- 1986-03-12 DE DE19863608704 patent/DE3608704A1/de active Granted
- 1986-03-13 JP JP61056730A patent/JPS61253519A/ja active Pending
- 1986-03-13 KR KR1019860001811A patent/KR860007765A/ko not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| GB2172417A (en) | 1986-09-17 |
| GB8605592D0 (en) | 1986-04-09 |
| US4645997A (en) | 1987-02-24 |
| EP0194574B1 (en) | 1992-09-30 |
| EP0194574A3 (en) | 1988-06-01 |
| DE3608704A1 (de) | 1986-11-27 |
| KR860007765A (ko) | 1986-10-17 |
| JPS61253519A (ja) | 1986-11-11 |
| EP0194574A2 (en) | 1986-09-17 |
| DE3608704C2 (enExample) | 1993-03-18 |
| DE3686825D1 (de) | 1992-11-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19930306 |