IT1083368B - Sistema di regolazione del fattore di potenza per motori a corrente alternata ad induzione - Google Patents

Sistema di regolazione del fattore di potenza per motori a corrente alternata ad induzione

Info

Publication number
IT1083368B
IT1083368B IT68673/77A IT6867377A IT1083368B IT 1083368 B IT1083368 B IT 1083368B IT 68673/77 A IT68673/77 A IT 68673/77A IT 6867377 A IT6867377 A IT 6867377A IT 1083368 B IT1083368 B IT 1083368B
Authority
IT
Italy
Prior art keywords
motors
induction
power factor
adjustment system
factor adjustment
Prior art date
Application number
IT68673/77A
Other languages
English (en)
Original Assignee
Nasa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nasa filed Critical Nasa
Application granted granted Critical
Publication of IT1083368B publication Critical patent/IT1083368B/it

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
    • H02J3/1892—Arrangements for adjusting, eliminating or compensating reactive power in networks the arrangements being an integral part of the load, e.g. a motor, or of its control circuit
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/006—Measuring power factor
    • 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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Ac Motors In General (AREA)
  • Control Of Electric Motors In General (AREA)
IT68673/77A 1976-07-19 1977-07-18 Sistema di regolazione del fattore di potenza per motori a corrente alternata ad induzione IT1083368B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/706,425 US4052648A (en) 1976-07-19 1976-07-19 Power factor control system for ac induction motors

Publications (1)

Publication Number Publication Date
IT1083368B true IT1083368B (it) 1985-05-21

Family

ID=24837503

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68673/77A IT1083368B (it) 1976-07-19 1977-07-18 Sistema di regolazione del fattore di potenza per motori a corrente alternata ad induzione

Country Status (10)

Country Link
US (1) US4052648A (it)
JP (1) JPS5328223A (it)
AU (1) AU508213B2 (it)
CA (1) CA1075307A (it)
DE (1) DE2730774A1 (it)
FR (1) FR2359537B1 (it)
GB (1) GB1551644A (it)
HK (1) HK1681A (it)
IT (1) IT1083368B (it)
NL (1) NL178639C (it)

Families Citing this family (116)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5534854A (en) * 1978-09-04 1980-03-11 Hitachi Ltd Controlling method of secondary winding-exciting motor
GB2034938B (en) * 1978-11-22 1982-12-22 Ferranti Ltd Automatic control systems
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
US4249120A (en) * 1979-07-26 1981-02-03 Mcgraw-Edison Co. Variable speed induction motor control system
US4333046A (en) * 1979-08-15 1982-06-01 The Scott & Fetzer Company Power factor control of a three-phase induction motor
US4291264A (en) * 1979-09-04 1981-09-22 Borg-Warner Corporation Power factor control system for inverter-driven a-c induction motor
DE2938625A1 (de) * 1979-09-25 1981-04-09 Frankl & Kirchner GmbH & Co KG Fabrik für Elektromotoren u.elektrische Apparate, 6830 Schwetzingen Schaltungsanordnung zum energiesparen
DE2939090A1 (de) * 1979-09-27 1981-04-16 Zinser Textilmaschinen Gmbh, 7333 Ebersbach Verfahren und anordnung zur steuerung oder regelung der drehzahl von asynchron- oder reluktanz-motoren
US4271386A (en) * 1979-12-05 1981-06-02 The Scott & Fetzer Company Power factor controller for induction motor
US4287464A (en) * 1979-12-17 1981-09-01 The Scott & Fetzer Company Power factor controller for an induction motor using transistor switch means with variable breakdown voltage
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
JPS6042717B2 (ja) * 1980-04-22 1985-09-24 三菱電機株式会社 誘導電動機用電力制御装置
US4443750A (en) * 1980-04-30 1984-04-17 Zero-Max Industries, Incorporated Energy saving motor speed controller
US4361792A (en) * 1980-05-06 1982-11-30 Chesebrough-Pond's Inc. Digital induction motor control system
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
JPS5725192A (en) * 1980-07-21 1982-02-09 Hitachi Ltd Controller for induction motor
US4422030A (en) * 1980-08-15 1983-12-20 Mcallise Raymond J A.C. Motor control
US4355274A (en) * 1980-09-08 1982-10-19 Bourbeau Frank J Load responsive control system for constant speed induction motor
US4417194A (en) * 1980-09-18 1983-11-22 The Charles Stark Draper Laboratory, Inc. Induction generator system with switched capacitor control
US4356440A (en) * 1980-09-18 1982-10-26 The Charles Stark Draper Laboratory, Inc. Power factor correction system
IN157249B (it) * 1980-09-26 1986-02-15 Nat Res Dev
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
US4454462A (en) * 1980-10-20 1984-06-12 Neha International Power factor motor controller
US4404511A (en) * 1980-10-23 1983-09-13 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Motor power factor controller with a reduced voltage starter
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
IE50704B1 (en) * 1980-10-23 1986-06-25 Nasa Three phase power factor controller
US4382308A (en) * 1981-02-18 1983-05-10 Chemcut Corporation Scrubbing torque monitoring and control system
US4445078A (en) * 1981-03-13 1984-04-24 Energy Vent, Inc. Processor module for power factor controller
US4379254A (en) * 1981-03-23 1983-04-05 Andrew L. D'Orio Dimmer circuit for fluorescent lamp
US4468603A (en) * 1981-04-03 1984-08-28 Eaton Corporation Load voltage-current displacement regulator motor control system
US4459529A (en) * 1981-04-20 1984-07-10 Nordic Controls Co. Power factor control circuit for AC motors
FR2508737B1 (fr) * 1981-06-24 1986-03-21 Westinghouse Electric Corp Appareil pour commander des moteurs a courant alternatif
US4439718A (en) * 1981-08-28 1984-03-27 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Motor power control circuit for A.C. induction motors
GR76750B (it) * 1981-10-27 1984-08-30 Thomas Mark Empson
US4409532A (en) * 1981-11-06 1983-10-11 General Electric Company Start control arrangement for split phase induction motor
CH664460A5 (de) * 1981-12-09 1988-02-29 Zinser Textilmaschinen Gmbh Verfahren und einrichtung zum verringern der leistungsaufnahme einer elektrischen antriebsanordnung.
US4417196A (en) * 1981-12-10 1983-11-22 Gk Technologies, Incorporated Cord sets with power-factor control
EP0092370A1 (en) * 1982-04-16 1983-10-26 Conder International PLC A.C. motor controller
US4481786A (en) * 1982-06-04 1984-11-13 Whirlpool Corporation Electronic control for a domestic appliance
US4626746A (en) * 1982-07-26 1986-12-02 Andrew Zaderej Power control circuit
US4443906A (en) * 1982-08-20 1984-04-24 Tucker Hartwell F Machine for floor maintenance
US4590635A (en) * 1982-08-20 1986-05-27 Octa, Inc. Machine for floor maintenance
US4567391A (en) * 1982-08-20 1986-01-28 Octa, Inc. Permanent magnet disc rotor machine
GB2126440A (en) * 1982-09-01 1984-03-21 Chang Ten Ho Electrical energy saving device for motors
WO1984002404A1 (en) * 1982-12-11 1984-06-21 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
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
ZA846307B (en) * 1983-11-04 1985-03-27 Chesebrough Ponds Induction motor control system
FR2577730B1 (fr) * 1985-02-20 1987-03-06 Seram Appareil pour reduire l'energie consommee par les moteurs electriques
DE3576102D1 (de) * 1985-03-11 1990-03-29 Elfi Innovationer Verfahren zum anlassen eines asynchronmotors und geraet zur durchfuehrung dieses verfahrens.
US4806838A (en) * 1988-05-23 1989-02-21 Weber Harold J A.C. induction motor energy conserving power control method and apparatus
US5008608A (en) * 1989-12-26 1991-04-16 Allen-Bradley Company, Inc. Controller for starting and stopping electric motors
US4971522A (en) * 1989-05-11 1990-11-20 Butlin Duncan M Control system and method for AC motor driven cyclic load
US5006778A (en) * 1989-08-11 1991-04-09 Whirlpool Corporation Motor diagnostics and electronic control for a clothers dryer
US5013990A (en) * 1989-10-16 1991-05-07 Weber Harold J Energy conserving electric motor power control method and apparatus
US5151642A (en) * 1990-05-03 1992-09-29 Allen-Bradley Company, Inc. Apparatus for controlling an electric motor
JP2524566B2 (ja) * 1990-12-12 1996-08-14 アレックス電子工業株式会社 誘導電動機制御方法
US5670858A (en) * 1991-06-03 1997-09-23 Condyne Technology, Inc. Single-phase induction motor safety controller
JPH05227795A (ja) * 1992-02-10 1993-09-03 Alex Denshi Kogyo Kk 誘導電動機制御装置および制御方法
US5444359A (en) * 1992-06-26 1995-08-22 Green Technologies, Inc. Load sensitive variable voltage motor controller
US5329223A (en) * 1992-06-26 1994-07-12 Green Technologies, Inc. Ideal voltage controller for conserving energy in inductive loads
US5637975A (en) * 1992-10-16 1997-06-10 Pummer; Alexander C. Power factor corrector for A.C. induction motors
US5304911A (en) * 1992-12-14 1994-04-19 Energy Consortium Inc Power control system for an A.C. induction motor
US5592062A (en) * 1994-03-08 1997-01-07 Bach; Daniel G. Controller for AC induction motors
HU9401800D0 (en) * 1994-06-17 1994-09-28 Energestor Kereskedelmi Es Szo Electronic apparatus for decrease of active and reactive energy consumption of ac electric motors with star-delta connection loaded by variable load, improvement of power factor and motor protection
US5814966A (en) * 1994-08-08 1998-09-29 National Power Systems, Inc. Digital power optimization system for AC induction motors
US5512809A (en) * 1994-08-11 1996-04-30 Penn Ventilator Co., Inc. Apparatus and method for starting and controlling a motor
US5747972A (en) * 1995-01-11 1998-05-05 Microplanet Ltd. Method and apparatus for electronic power control
US7315151B2 (en) * 1995-01-11 2008-01-01 Microplanet Inc. Method and apparatus for electronic power control
KR0153103B1 (ko) * 1995-05-23 1998-12-15 김태승 유도전동기의 입력전력 제어 장치
US5627446A (en) * 1995-07-05 1997-05-06 Ford Motor Company Induction motor control method
US5682091A (en) * 1996-03-20 1997-10-28 National Power Systems, Inc. Digital power optimization system for polyphase AC induction motors
US5754036A (en) * 1996-07-25 1998-05-19 Lti International, Inc. Energy saving power control system and method
US5821726A (en) * 1997-01-21 1998-10-13 Power Efficiency Corp. Balanced and synchronized phase detector for an AC induction motor controller
US6690594B2 (en) 2000-08-10 2004-02-10 Sal G. Amarillas Electrical power conservation apparatus and method
US20020145400A1 (en) * 2001-04-10 2002-10-10 Cashatt Jerry D. Motor load controller for AC induction motors
US6636011B2 (en) 2001-06-13 2003-10-21 Emerson Electric Co. Induction motor control system
US6670783B2 (en) 2001-10-31 2003-12-30 Pelco Method and apparatus for improved motor control through current/velocity correction
US6616416B1 (en) 2002-02-19 2003-09-09 Bristol Compressors, Inc. Methods and system for motor optimization using capacitance and/or voltage adjustments
US7606011B2 (en) * 2004-04-15 2009-10-20 Sundyne Corporation Motor controller with automated input power determination
US20090206818A1 (en) * 2005-01-03 2009-08-20 Horan Michael J Ac voltage regulation system and method
CN1283037C (zh) * 2005-01-21 2006-11-01 常熟市天银机电有限公司 互感式无触点起动器
US7378821B2 (en) * 2005-08-01 2008-05-27 Enviro World Technologies, Inc Method and apparatus using VAR measurements to control power input to a three-phase induction motor circuit
US7768221B2 (en) * 2006-06-02 2010-08-03 Power Efficiency Corporation Method, system, and apparatus for controlling an electric motor
US7506392B2 (en) * 2006-06-21 2009-03-24 Alliance Laundry Systems Llc Laundry machine control system for load imbalance detection and extraction speed selection
US8619443B2 (en) 2010-09-29 2013-12-31 The Powerwise Group, Inc. System and method to boost voltage
US8085009B2 (en) 2007-08-13 2011-12-27 The Powerwise Group, Inc. IGBT/FET-based energy savings device for reducing a predetermined amount of voltage using pulse width modulation
US8120307B2 (en) 2007-08-24 2012-02-21 The Powerwise Group, Inc. System and method for providing constant loading in AC power applications
US8085010B2 (en) * 2007-08-24 2011-12-27 The Powerwise Group, Inc. TRIAC/SCR-based energy savings device for reducing a predetermined amount of voltage using pulse width modulation
US8810190B2 (en) 2007-09-14 2014-08-19 The Powerwise Group, Inc. Motor controller system and method for maximizing energy savings
US8698447B2 (en) 2007-09-14 2014-04-15 The Powerwise Group, Inc. Energy saving system and method for devices with rotating or reciprocating masses
WO2009055447A1 (en) * 2007-10-23 2009-04-30 Power Efficiency Corporation Electric motor control algorithm with bypass relay
IL188884A (en) 2008-01-20 2010-11-30 Ilya Rabinovich Star-delta many levels starter for an ac induction motor
US7638966B1 (en) 2008-09-03 2009-12-29 Alexander Pummer Voltage control and power factor correction in AC induction motors
KR101533560B1 (ko) * 2008-09-22 2015-07-09 삼성전자 주식회사 3상 역률 보상 장치 및 그 제어방법
US9148083B2 (en) 2009-06-11 2015-09-29 Eaton Corporation System and method of dynamic regulation of real power to a load
US8232760B2 (en) * 2009-06-11 2012-07-31 Easton Corporation System and method of dynamic regulation of real power to a load
US8339093B2 (en) * 2009-06-11 2012-12-25 Eaton Corporation System and method of dynamic regulation of real power to a load
US8698446B2 (en) 2009-09-08 2014-04-15 The Powerwise Group, Inc. Method to save energy for devices with rotating or reciprocating masses
MX2012003008A (es) 2009-09-08 2012-04-19 Powerwise Group Inc Sistema y metodo para ahorrar energia para dispositivos con masas rotatorias o alternativas.
US8575881B2 (en) * 2009-09-10 2013-11-05 Energy Innovative Products, Inc. Current injection circuit for delaying the full operation of a power factor control circuit for AC induction motors
ITCT20100003A1 (it) * 2010-03-17 2011-09-18 Mario Cacciato Sistema e metodo di controllo per l'ottimizzazione energetica di azionamenti con motori in corrente alternata
GB2480620A (en) 2010-05-25 2011-11-30 Energy2Trade Oy Reactive Power Management
RU2488939C2 (ru) * 2010-11-08 2013-07-27 Илья Иойликович Рабинович Многоуровневый стартер звезда-треугольник для управления индукционным двигателем
US8362735B2 (en) * 2011-03-07 2013-01-29 Protective Energy Economizer Technology Single phase motor energy economizer for regulating the use of electricity
WO2013033502A1 (en) 2011-08-31 2013-03-07 Johnson Controls Technology Company System and method for controlling a variable speed drive of a compressor motor
NO2937976T3 (it) * 2014-04-22 2018-04-21
EP3330722A1 (de) * 2016-12-01 2018-06-06 Siemens Aktiengesellschaft Verfahren und schaltung zur diagnose eines thyristor-laststroms auf basis des gatestroms
US10566881B2 (en) 2017-01-27 2020-02-18 Franklin Electric Co., Inc. Motor drive system including removable bypass circuit and/or cooling features
GB2581783B (en) * 2019-02-22 2021-07-14 Baker Hughes Energy Technology UK Ltd Power factor determination

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3441823A (en) * 1966-07-13 1969-04-29 Westinghouse Electric Corp Tachometerless induction motor speed control
DE2059468A1 (de) * 1970-12-03 1972-06-08 Dornier Ag Schaltungsanordnung zur Mittelfrequenz-Energie-Versorgung von induktiven Verbrauchern
AT301692B (de) * 1970-12-23 1972-09-11 Kurt Seidl Dipl Ing Dr Techn Wechselrichter
DE2333570C3 (de) * 1973-07-02 1978-07-20 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zur Speisung eines Gleichstromverbrauchers aus einer Wechselstromquelle über einen ungesteuerten Gleichrichter
JPS5345487B2 (it) * 1974-04-17 1978-12-07

Also Published As

Publication number Publication date
NL178639B (nl) 1985-11-18
CA1075307A (en) 1980-04-08
NL178639C (nl) 1986-04-16
GB1551644A (en) 1979-08-30
JPS5726079B2 (it) 1982-06-02
HK1681A (en) 1981-01-23
JPS5328223A (en) 1978-03-16
DE2730774C2 (it) 1987-08-20
FR2359537A1 (it) 1978-02-17
DE2730774A1 (de) 1978-01-26
US4052648A (en) 1977-10-04
AU2714677A (en) 1979-01-25
AU508213B2 (en) 1980-03-13
NL7707266A (nl) 1978-01-23
FR2359537B1 (fr) 1983-04-29

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