CA987387A - Power control and phase angle correcting apparatus - Google Patents
Power control and phase angle correcting apparatusInfo
- Publication number
- CA987387A CA987387A CA148,998A CA148998A CA987387A CA 987387 A CA987387 A CA 987387A CA 148998 A CA148998 A CA 148998A CA 987387 A CA987387 A CA 987387A
- Authority
- CA
- Canada
- Prior art keywords
- power control
- phase angle
- correcting apparatus
- angle correcting
- phase
- 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—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
- H02J3/1828—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepwise control, the possibility of switching in or out the entire compensating arrangement not being considered as stepwise control
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is ac
- G05F1/40—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices
- G05F1/44—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only
- G05F1/45—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only being controlled rectifiers in series with the load
- G05F1/455—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only being controlled rectifiers in series with the load with phase control
-
- 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
- Y02E40/30—Reactive power compensation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Control Of Electrical Variables (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18485171A | 1971-09-29 | 1971-09-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA987387A true CA987387A (en) | 1976-04-13 |
Family
ID=22678629
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA148,998A Expired CA987387A (en) | 1971-09-29 | 1972-08-09 | Power control and phase angle correcting apparatus |
Country Status (7)
Country | Link |
---|---|
US (1) | US3731183A (de) |
JP (1) | JPS5130943B2 (de) |
AU (1) | AU471493B2 (de) |
CA (1) | CA987387A (de) |
DE (1) | DE2247774A1 (de) |
FR (1) | FR2154446B1 (de) |
GB (1) | GB1358666A (de) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4139723A (en) * | 1977-04-21 | 1979-02-13 | Ajax Magnethermic Corporation | Power control unit for a single phase load with slightly changing impedances |
JPS5440540A (en) * | 1977-09-07 | 1979-03-30 | Yokogawa Hokushin Electric Corp | Isolator |
JPS5452851A (en) * | 1977-10-04 | 1979-04-25 | Matsushita Electric Ind Co Ltd | Dolst-heat heat pump |
US4255782A (en) * | 1977-11-15 | 1981-03-10 | Jgf, Incorporated | Electrical energy conversion systems |
JPS55100037A (en) * | 1979-01-24 | 1980-07-30 | Hitachi Ltd | Electric power converter |
US4292545A (en) * | 1979-04-16 | 1981-09-29 | Electric Power Research Institute, Inc. | Method and means for damping subsynchronous oscillations and DC offset in an AC power system |
US4355241A (en) * | 1980-08-15 | 1982-10-19 | Electric Power Research Institute, Inc. | Means for damping subsynchronous oscillations in an AC power system including overload protection |
US4356440A (en) * | 1980-09-18 | 1982-10-26 | The Charles Stark Draper Laboratory, Inc. | Power factor correction system |
US4417194A (en) * | 1980-09-18 | 1983-11-22 | The Charles Stark Draper Laboratory, Inc. | Induction generator system with switched capacitor control |
GB2121248B (en) * | 1982-05-18 | 1986-03-05 | Gen Electric | Capacitive voltage dropper |
US4447764A (en) * | 1982-05-18 | 1984-05-08 | General Electric Company | Power supply for low-voltage incandescent lamp and like load |
US4447765A (en) * | 1982-05-18 | 1984-05-08 | General Electric Company | Power supply for low voltage incandescent lamp |
JPS5959023A (ja) * | 1982-09-27 | 1984-04-04 | 株式会社 伸和技研 | 力率調整方法及び装置 |
CH659157A5 (de) * | 1982-11-02 | 1986-12-31 | Bbc Brown Boveri & Cie | Schaltung zur kompensation von blindleistung in einem elektrischen wechselspannungsnetz. |
US4472672A (en) * | 1982-12-13 | 1984-09-18 | Motorola Inc. | High power factor switching-type battery charger |
DE3464828D1 (en) * | 1983-02-08 | 1987-08-20 | Bbc Brown Boveri & Cie | Reactive power compensator |
US4571535A (en) * | 1984-11-15 | 1986-02-18 | Westinghouse Electric Corp. | VAR Generator having controlled discharge of thyristor switched capacitors |
US5032738A (en) * | 1986-01-22 | 1991-07-16 | Vithayathil John J | Scheme for rapid adjustment of network impedance |
US4999565A (en) * | 1990-01-02 | 1991-03-12 | Electric Power Research Institute | Apparatus for controlling the reactive impedance of a transmission line |
US5250777A (en) * | 1990-04-02 | 1993-10-05 | Inductotherm Corp. | Method and apparatus for variable phase induction heating and stirring |
US5165049A (en) * | 1990-04-02 | 1992-11-17 | Inductotherm Corp. | Phase difference control circuit for induction furnace power supply |
JP3492042B2 (ja) | 1995-08-31 | 2004-02-03 | 関西電力株式会社 | 高調波抑制型電力線瞬時切替装置 |
US6297940B1 (en) | 1999-10-07 | 2001-10-02 | Mcgraw Edison Company | Protection system for devices in an electrical distribution network |
US6888268B1 (en) * | 2001-01-11 | 2005-05-03 | The Titan Corporation | Energy storage device |
GB2411971B (en) * | 2004-03-10 | 2006-09-06 | Cableform Ltd | Power factor improvement |
US7643267B2 (en) * | 2007-03-15 | 2010-01-05 | Shimadzu Corporation | Optical emission spectrometry device |
DE202007000054U1 (de) | 2007-12-17 | 2008-03-27 | PCP Powercost Protector Company Ltd., Coventry | Schaltungsanordnung zur Optimierung des Energieverbrauchs eines Verbrauchers an einem Wechselstromnetz |
FI123844B (fi) * | 2010-04-14 | 2013-11-15 | Alstom Technology Ltd | Järjestely ja menetelmä loistehon kompensoimiseksi |
US20130226484A1 (en) * | 2012-02-27 | 2013-08-29 | Nokia Corporation | Method and apparatus for generating power flow signatures |
US9467112B2 (en) * | 2014-07-25 | 2016-10-11 | Ge Energy Power Conversion Technology Ltd | Hybrid thyristor-controlled series capacitor and passive damping filter for series capacitors |
EP3629468B1 (de) * | 2018-09-27 | 2022-01-19 | Siemens Aktiengesellschaft | Verfahren zum betreiben einer drehstrommaschine |
CN114336669B (zh) * | 2022-03-14 | 2022-06-03 | 东方博沃(北京)科技有限公司 | 一种快速无功补偿的控制方法、装置、设备及存储介质 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2279229A (en) * | 1941-05-14 | 1942-04-07 | Westinghouse Electric & Mfg Co | Control apparatus |
FR1477476A (fr) * | 1965-12-28 | 1967-04-21 | Moscovsky Energet I | Procédé de réglage de la puissance réactive dans un réseau électrique et dispositif pour sa mise en oeuvre |
US3419792A (en) * | 1966-02-01 | 1968-12-31 | Ohio Crankshaft Co | Device for controlling the power factor in the output circuit of a generator |
JPS5526782B1 (de) * | 1967-12-02 | 1980-07-16 | ||
US3532855A (en) * | 1968-12-30 | 1970-10-06 | Ibm | Power regulating circuit for xerographic fusing apparatus |
US3611017A (en) * | 1970-03-10 | 1971-10-05 | Int Crystal Mfg Co | Regulated magnetron power supply |
-
1971
- 1971-09-29 US US00184851A patent/US3731183A/en not_active Expired - Lifetime
-
1972
- 1972-08-08 GB GB3686772A patent/GB1358666A/en not_active Expired
- 1972-08-09 CA CA148,998A patent/CA987387A/en not_active Expired
- 1972-08-09 AU AU45415/72A patent/AU471493B2/en not_active Expired
- 1972-08-31 FR FR7231007A patent/FR2154446B1/fr not_active Expired
- 1972-09-28 JP JP47096710A patent/JPS5130943B2/ja not_active Expired
- 1972-09-29 DE DE19722247774 patent/DE2247774A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS4842346A (de) | 1973-06-20 |
AU4541572A (en) | 1974-02-21 |
FR2154446B1 (de) | 1975-03-07 |
US3731183A (en) | 1973-05-01 |
DE2247774A1 (de) | 1973-04-12 |
JPS5130943B2 (de) | 1976-09-03 |
FR2154446A1 (de) | 1973-05-11 |
AU471493B2 (en) | 1976-04-29 |
GB1358666A (en) | 1974-07-03 |
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