IN157249B - - Google Patents
Info
- Publication number
- IN157249B IN157249B IN594/DEL/81A IN594DE1981A IN157249B IN 157249 B IN157249 B IN 157249B IN 594DE1981 A IN594DE1981 A IN 594DE1981A IN 157249 B IN157249 B IN 157249B
- Authority
- IN
- India
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/26—Power factor control [PFC]
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Ac Motors In General (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8031129 | 1980-09-26 | ||
GB8103681 | 1981-02-06 | ||
GB8119931 | 1981-06-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
IN157249B true IN157249B (ko) | 1986-02-15 |
Family
ID=27261017
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN594/DEL/81A IN157249B (ko) | 1980-09-26 | 1981-09-16 |
Country Status (8)
Country | Link |
---|---|
US (1) | US4800326A (ko) |
EP (1) | EP0049129B1 (ko) |
AU (1) | AU552007B2 (ko) |
BR (1) | BR8106165A (ko) |
DE (1) | DE3174812D1 (ko) |
FI (1) | FI812968L (ko) |
IN (1) | IN157249B (ko) |
PT (1) | PT73732B (ko) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0092370A1 (en) * | 1982-04-16 | 1983-10-26 | Conder International PLC | A.C. motor controller |
DE3373031D1 (en) * | 1982-12-11 | 1987-09-17 | Fairford Electronics Ltd | Method and apparatus for automatically setting the demand phase lag input to an induction-motor power factor controller |
US4459528A (en) * | 1982-12-16 | 1984-07-10 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Phase detector for three-phase power factor controller |
GB8309226D0 (en) * | 1983-04-05 | 1983-05-11 | Fairford Electronics Ltd | Start-up control method |
GB8324780D0 (en) * | 1983-09-15 | 1983-10-19 | Unsworth P J | Controller for induction motors |
JP3148230B2 (ja) * | 1989-02-07 | 2001-03-19 | シーメンス アクチエンゲゼルシヤフト | 単相または多相交流調整器の制御方法および装置 |
DE4130532C2 (de) * | 1991-09-13 | 1995-07-13 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zur Regulierung von einem an ein Wechselstromnetz angeschlossenen Wechselstrommotor |
US5287288A (en) * | 1992-10-30 | 1994-02-15 | Electric Power Research Institute, Inc. | Active power line conditioner with low cost surge protection and fast overload recovery |
US5384696A (en) * | 1992-10-30 | 1995-01-24 | Electric Power Research Institute, Inc. | Active power line conditioner with fundamental negative sequence compensation |
US5351180A (en) * | 1992-10-30 | 1994-09-27 | Electric Power Research Institute, Inc. | Highly fault tolerant active power line conditioner |
WO1994010744A1 (en) * | 1992-10-30 | 1994-05-11 | Electric Power Research Institute, Inc. | Active power line conditioner with synchronous transformation control |
US5345377A (en) * | 1992-10-30 | 1994-09-06 | Electric Power Research Institute, Inc. | Harmonic controller for an active power line conditioner |
US5359275A (en) * | 1992-10-30 | 1994-10-25 | Electric Power Research Institute, Inc. | Load current fundamental filter with one cycle response |
US5351178A (en) * | 1992-10-30 | 1994-09-27 | Electric Power Research Institute, Inc. | Active power line conditioner with a derived load current fundamental signal for fast dynamic response |
US5304911A (en) * | 1992-12-14 | 1994-04-19 | Energy Consortium Inc | Power control system for an A.C. induction motor |
US5412303A (en) * | 1993-02-17 | 1995-05-02 | Wernicki; Paul F. | Method and apparatus providing minimal power consumption, indication of savings and fault detection |
US5351181A (en) * | 1993-03-12 | 1994-09-27 | Electric Power Research Institute, Inc. | Low cost active power line conditioner |
US5465203A (en) * | 1993-06-18 | 1995-11-07 | Electric Power Research Institute, Inc. | Hybrid series active/parallel passive power line conditioner with controlled harmonic injection |
US5481171A (en) * | 1994-02-07 | 1996-01-02 | James River Corporation Of Virginia | Method and apparatus for symmetrical current starting of polyphase induction motors |
US5592062A (en) * | 1994-03-08 | 1997-01-07 | Bach; Daniel G. | Controller for AC induction motors |
US5561356A (en) * | 1994-04-21 | 1996-10-01 | Genersl Binding Corporation | Shredder motor circuit with power factor correction |
US5471127A (en) * | 1994-05-04 | 1995-11-28 | Energy Reduction International Ltd. | Induction motor control |
US5723966A (en) * | 1996-08-23 | 1998-03-03 | Current Technology, Inc. | System and method for increasing the efficiency of alternating current induction motors |
ES2157747B1 (es) * | 1998-10-21 | 2002-03-01 | Internat Electronics S A | Sistema de potencia y control para arranque y aceleracion de motores de induccion en media y baja tension e instalacion para llevar a la practica dicho sistema. |
US6418581B1 (en) | 1999-06-24 | 2002-07-16 | Ipso-Usa, Inc. | Control system for measuring load imbalance and optimizing spin speed in a laundry washing machine |
US6400119B1 (en) * | 1999-10-26 | 2002-06-04 | Power Conservation, Ltd. | Energy conserving motor controller |
GB0421443D0 (en) * | 2004-09-27 | 2004-10-27 | Unsworth Peter | Point on wave (pow) control for motor starting and switching |
DE102005008889B4 (de) * | 2005-02-26 | 2016-07-07 | Leybold Optics Gmbh | Optisches Monitoringsystem für Beschichtungsprozesse |
US7208909B2 (en) * | 2005-07-29 | 2007-04-24 | Rockwell Automation Technologies, Inc. | Motor protection inhibit circuit |
US8903577B2 (en) * | 2009-10-30 | 2014-12-02 | Lsi Industries, Inc. | Traction system for electrically powered vehicles |
US7598683B1 (en) * | 2007-07-31 | 2009-10-06 | Lsi Industries, Inc. | Control of light intensity using pulses of a fixed duration and frequency |
US8604709B2 (en) | 2007-07-31 | 2013-12-10 | Lsi Industries, Inc. | Methods and systems for controlling electrical power to DC loads |
EP2212706B1 (en) | 2007-11-13 | 2018-05-16 | Emerson Climate Technologies, Inc. | Three-phase detection module |
US8421399B2 (en) * | 2008-10-24 | 2013-04-16 | Energy Innovative Products, Llc | Energy saver delay circuit for AC induction motors |
DE102013202434A1 (de) * | 2013-02-14 | 2014-08-28 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Begrenzung einer Leistungsaufnahme eines Elektromotors im Überlastfall in einer Handwerkzeugmaschine |
US11128240B1 (en) | 2020-08-13 | 2021-09-21 | Eaton Intelligent Power Limited | Reduced voltage soft starter apparatus and methods using current-controlled transitions |
CN117709262B (zh) * | 2023-12-15 | 2024-07-09 | 成都玖锦科技有限公司 | 一种利用fpga的bct触发设计方法 |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3441823A (en) * | 1966-07-13 | 1969-04-29 | Westinghouse Electric Corp | Tachometerless induction motor speed control |
DE1908726A1 (de) * | 1969-02-21 | 1970-09-10 | Bosch Gmbh Robert | Anordnung zum Betreiben von in zwei Stromflussrichtungen steuerbaren Halbleiterschaltern |
US4052648A (en) * | 1976-07-19 | 1977-10-04 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Power factor control system for ac induction motors |
JPS5454222A (en) * | 1977-10-06 | 1979-04-28 | Ruisu W Paakaa | Variable magnetic field induction motor |
US4190793A (en) * | 1977-10-06 | 1980-02-26 | Louis W. Parker | Energy economizer for induction motors |
US4176307A (en) * | 1978-05-17 | 1979-11-27 | Parker Louis W | Energy economizing AC power control system |
US4243926A (en) * | 1978-08-10 | 1981-01-06 | Phillips Charles A | Load responsive voltage controlled motor |
US4242625A (en) * | 1979-05-04 | 1980-12-30 | Louis W. Parker | Energy economizer for polyphase induction motors |
WO1980002895A1 (en) * | 1979-05-25 | 1980-12-24 | Scott & Fetzer Co | Power factor controller for induction motor |
US4266177A (en) * | 1979-06-01 | 1981-05-05 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Power factor control system for AC induction motors |
US4338557A (en) * | 1979-08-14 | 1982-07-06 | Wanlass Cravens Lamar | Variable speed electric machine having controlled magnetic flux density |
US4333046A (en) * | 1979-08-15 | 1982-06-01 | The Scott & Fetzer Company | Power factor control of a three-phase induction motor |
US4369403A (en) * | 1980-03-05 | 1983-01-18 | The Scott & Fetzer Company | Power factor controller for induction motor |
US4323835A (en) * | 1980-03-05 | 1982-04-06 | The Scott & Fetzer Company | Simplified power factor controller for induction motor |
US4387329A (en) * | 1980-03-21 | 1983-06-07 | Electronic Assemblers Company | Three phase power-factor control system for A.C. induction motors |
DE3114231A1 (de) * | 1980-04-11 | 1982-06-16 | John J. 90701 Cerritos Calif. Sullivan | Motorleistungs-steuereinrichtung |
ZA813290B (en) * | 1980-06-03 | 1982-05-26 | T Empson | An electric power saver for starting and controlling three phase three wire a.c.induction motors |
US4361793A (en) * | 1980-06-05 | 1982-11-30 | Sunbird Corporation | Motor voltage controller device |
US4384243A (en) * | 1980-06-20 | 1983-05-17 | Vectrol, Inc. | Energy saving motor controller |
US4297628A (en) * | 1980-07-03 | 1981-10-27 | Louis W. Parker | Energy economizer for induction motors |
US4388578A (en) * | 1980-07-07 | 1983-06-14 | Cynex Manufacturing Corporation | Power factor controller |
US4355274A (en) * | 1980-09-08 | 1982-10-19 | Bourbeau Frank J | Load responsive control system for constant speed induction motor |
US4298834A (en) * | 1980-10-17 | 1981-11-03 | Opfer Gerald D | Power dissipation regulating circuit for induction motor by supply voltage control in function of phase angle |
NO156190C (no) * | 1980-10-23 | 1987-08-05 | Nasa | Effektfaktor-styreinnretning. |
US4433276A (en) * | 1980-10-23 | 1984-02-21 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Three phase power factor controller |
US4379986A (en) * | 1981-08-24 | 1983-04-12 | Marquette Metal Products Co. | Stall sensing circuit for shaded pole motors |
US4469998A (en) * | 1982-12-16 | 1984-09-04 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Three-phase power factor controller with induced emf sensing |
-
1981
- 1981-09-16 IN IN594/DEL/81A patent/IN157249B/en unknown
- 1981-09-23 FI FI812968A patent/FI812968L/fi not_active Application Discontinuation
- 1981-09-25 PT PT73732A patent/PT73732B/pt unknown
- 1981-09-25 DE DE8181304441T patent/DE3174812D1/de not_active Expired
- 1981-09-25 EP EP81304441A patent/EP0049129B1/en not_active Expired
- 1981-09-25 BR BR8106165A patent/BR8106165A/pt unknown
- 1981-09-25 AU AU75678/81A patent/AU552007B2/en not_active Expired
-
1986
- 1986-06-06 US US06/873,454 patent/US4800326A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
PT73732B (en) | 1983-01-12 |
AU552007B2 (en) | 1986-05-22 |
US4800326A (en) | 1989-01-24 |
PT73732A (en) | 1981-10-01 |
EP0049129A1 (en) | 1982-04-07 |
BR8106165A (pt) | 1982-06-15 |
DE3174812D1 (en) | 1986-07-17 |
AU7567881A (en) | 1982-04-01 |
EP0049129B1 (en) | 1986-06-11 |
FI812968L (fi) | 1982-03-27 |