ZA200809140B - Mitigation of harmonic currents and conservation of power in non-linear load systems - Google Patents

Mitigation of harmonic currents and conservation of power in non-linear load systems

Info

Publication number
ZA200809140B
ZA200809140B ZA200809140A ZA200809140A ZA200809140B ZA 200809140 B ZA200809140 B ZA 200809140B ZA 200809140 A ZA200809140 A ZA 200809140A ZA 200809140 A ZA200809140 A ZA 200809140A ZA 200809140 B ZA200809140 B ZA 200809140B
Authority
ZA
South Africa
Prior art keywords
mitigation
conservation
power
linear load
harmonic currents
Prior art date
Application number
ZA200809140A
Other languages
English (en)
Inventor
Filiberto D Garza
Original Assignee
Power Conservation Ltd
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 Power Conservation Ltd filed Critical Power Conservation Ltd
Publication of ZA200809140B publication Critical patent/ZA200809140B/xx

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
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
    • 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
    • H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
    • H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
    • H02P27/16—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using ac to ac converters without intermediate conversion to dc
    • 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
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
    • H02P25/22—Multiple windings; Windings for more than three phases
    • 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
    • H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Ac Motors In General (AREA)
ZA200809140A 2006-04-24 2008-10-24 Mitigation of harmonic currents and conservation of power in non-linear load systems ZA200809140B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/379,965 US7309973B2 (en) 2006-04-24 2006-04-24 Mitigation of harmonic currents and conservation of power in non-linear load systems

Publications (1)

Publication Number Publication Date
ZA200809140B true ZA200809140B (en) 2009-07-29

Family

ID=38618869

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200809140A ZA200809140B (en) 2006-04-24 2008-10-24 Mitigation of harmonic currents and conservation of power in non-linear load systems

Country Status (13)

Country Link
US (5) US7309973B2 (xx)
EP (1) EP2016670A4 (xx)
JP (2) JP5226670B2 (xx)
KR (1) KR101084796B1 (xx)
CN (1) CN101454968B (xx)
AU (1) AU2007244924B2 (xx)
BR (1) BRPI0710890A2 (xx)
CA (1) CA2650801C (xx)
HK (1) HK1131843A1 (xx)
IL (1) IL194858A (xx)
MX (1) MX2008013713A (xx)
WO (1) WO2007127746A1 (xx)
ZA (1) ZA200809140B (xx)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7309973B2 (en) * 2006-04-24 2007-12-18 Power Conservation Ltd Mitigation of harmonic currents and conservation of power in non-linear load systems
US7560982B2 (en) * 2007-01-05 2009-07-14 And Yet, Inc. Apparatus for reducing apparent capacitance in high frequency filter for power line
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
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
US8120307B2 (en) 2007-08-24 2012-02-21 The Powerwise Group, Inc. System and method for providing constant loading in AC power applications
US8698447B2 (en) 2007-09-14 2014-04-15 The Powerwise Group, Inc. Energy saving system and method for devices with rotating or reciprocating masses
US8810190B2 (en) 2007-09-14 2014-08-19 The Powerwise Group, Inc. Motor controller system and method for maximizing energy savings
US7638966B1 (en) 2008-09-03 2009-12-29 Alexander Pummer Voltage control and power factor correction in AC induction motors
AT509136A3 (de) * 2008-11-10 2015-12-15 Siemens Ag Drehstromsteller
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.
US8760089B2 (en) * 2009-11-30 2014-06-24 Franklin Electric Company, Inc. Variable speed drive system
US8638059B2 (en) 2010-08-11 2014-01-28 Dayton-Phoenix Group, Inc. Control for multi-phase induction motor
CN102565518A (zh) * 2010-12-16 2012-07-11 鸿富锦精密工业（深圳）有限公司 电流平衡测试系统
US8994226B2 (en) * 2011-01-14 2015-03-31 Schlumberger Technology Corporation Passive harmonic filter for power distribution systems
US8664903B2 (en) 2011-06-27 2014-03-04 Franklin Electric Company, Inc. Adaptive flux control drive
CN102931890B (zh) 2011-08-11 2014-11-26 周顺新 一逆变桥拖动多台电机实现输入功率同时随负载和转速变化控制系统
US8937448B2 (en) 2011-11-21 2015-01-20 Baker Hughes Incorporated Systems and methods for downhole power factor correction
US9653984B2 (en) * 2012-04-30 2017-05-16 Rockwell Automation Technologies, Inc. Filter capacitor degradation detection apparatus and method
US20140176088A1 (en) * 2012-12-21 2014-06-26 GridBridge Distribution transformer power flow controller
US11119130B2 (en) * 2013-06-11 2021-09-14 Snap One, Llc Systems and methods for investigating a load and obtaining load information
GB201314795D0 (en) * 2013-08-19 2013-10-02 Jaguar Land Rover Ltd Driveline and method of controlling a driveline
CN103501152A (zh) * 2013-09-18 2014-01-08 东北大学 一种变频控制抽油机电机的方法
US9651592B2 (en) 2013-12-03 2017-05-16 Rockwell Automation Technologies, Inc. Impedance detector apparatus and method
US9488686B2 (en) 2014-02-24 2016-11-08 Rockwell Automation Technologies, Inc. Filter capacitor degradation identification using computed current
US9490690B2 (en) 2014-03-11 2016-11-08 Rockwell Automation Technologies, Inc. Filter capacitor degradation identification using computed power
KR101534794B1 (ko) * 2014-04-23 2015-07-08 국민대학교산학협력단 배터리 충방전 기능 겸용 모터 구동회로
US9389263B2 (en) 2014-06-05 2016-07-12 Rockwell Automation Technologies, Inc. Filter capacitor degradation identification using measured and expected voltage
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
WO2016111768A1 (en) * 2015-01-09 2016-07-14 V Square/R Llc Dynamic power control for induction motors
CN104847309B (zh) * 2015-04-16 2017-12-01 山东爱特机电技术有限责任公司 一种电容储能的抽油机电控装置
WO2017041144A1 (en) * 2015-09-11 2017-03-16 Invertedpower Pty Ltd A controller for an inductive load having one or more inductive windings
US9735696B2 (en) 2015-11-25 2017-08-15 Rockwell Automation Technologies, Inc. Filter capacitor degradation and calibration
US9673743B1 (en) 2016-09-08 2017-06-06 Limiter Power Management System (PTY) LTD. Efficient motor control
US11515078B2 (en) * 2016-12-21 2022-11-29 Joaquín Enríque NEGRETE HERNANDEZ Harmonics filters using semi non-magnetic bobbins
US11267358B2 (en) 2017-05-08 2022-03-08 Invertedpower Pty Ltd Vehicle charging station
DE102017209742A1 (de) * 2017-06-09 2018-12-13 Robert Bosch Gmbh Gesteuerte Lastvorrichtung und Herstellungsverfahren für eine gesteuerte Lastvorrichtung
JP7160479B2 (ja) * 2018-12-21 2022-10-25 株式会社デンソー 電動機システム
US11466547B2 (en) 2019-10-31 2022-10-11 Halliburton Energy Services, Inc. Measurement guided oscillation detection for motor protection

Family Cites Families (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3611089A (en) * 1969-10-06 1971-10-05 Reliance Electric Co Phase sensitive motor circuit utilizing real current component
US3609509A (en) * 1970-03-11 1971-09-28 Gen Electric Feedback control for cycloconverter
US3641417A (en) * 1970-09-15 1972-02-08 Westinghouse Electric Corp Input filter circuit for cycloconverter apparatus
US3684935A (en) * 1971-07-02 1972-08-15 Gen Motors Corp Circuit for dissipating the potential induced in each phase winding of a cycloconverter operated motor upon termination of conduction therethrough
US3689813A (en) * 1971-07-13 1972-09-05 Gen Motors Corp Cycloconverter silicon controlled rectifier gate signal delay circuit
US3742336A (en) * 1971-11-24 1973-06-26 Gen Electric Versatile cycloinverter power converter circuits
US3959719A (en) * 1975-04-30 1976-05-25 General Electric Corporation Static controller for power factor correction and adaptive filtering
US3982167A (en) * 1975-07-31 1976-09-21 General Electric Company Current control system for high frequency link cycloconverter
US4186334A (en) * 1978-02-07 1980-01-29 Tokyo Shibaura Denki Kabushiki Kaisha Control systems of alternating current motors
GB8324780D0 (en) 1983-09-15 1983-10-19 Unsworth P J Controller for induction motors
US4481455A (en) * 1983-09-29 1984-11-06 Osamu Sugimoto Method of starting variable-speed induction motor
JPH0834669B2 (ja) * 1986-06-26 1996-03-29 三菱電機株式会社 高調波抑制装置
US4833628A (en) 1986-10-16 1989-05-23 Square D Company Up to speed detector for an electric motor using measured values of the current lag; and voltage ramp controller using the up to speed indication
JPH0681512B2 (ja) * 1987-03-31 1994-10-12 株式会社東芝 電流形ｐｗｍ変換装置
JPH077881B2 (ja) * 1987-05-06 1995-01-30 株式会社村田製作所 静磁波装置
SE500399C2 (sv) 1988-01-04 1994-06-20 Asea Ab Filterutrustning för en kraftlinje med ett dubbelavstämt shuntfilter
US4847747A (en) * 1988-09-26 1989-07-11 Westinghouse Electric Corp. Commutation circuit for load-commutated inverter induction motor drives
US5355135A (en) 1989-01-30 1994-10-11 Linear Technology Corporation Semi-flash A/D converter using switched capacitor comparators
JPH0744834B2 (ja) * 1989-01-31 1995-05-15 東洋電機製造株式会社 パルス幅制御方式電力変換装置
JP2954333B2 (ja) * 1990-11-28 1999-09-27 株式会社日立製作所 交流電動機可変速システム
EP0551450A1 (en) * 1991-02-22 1993-07-21 KENETECH Windpower, Inc. Four quadrant motor controller
JP3130694B2 (ja) * 1993-02-04 2001-01-31 株式会社東芝 電圧変動及び高調波の抑制装置
US5444609A (en) * 1993-03-25 1995-08-22 Energy Management Corporation Passive harmonic filter system for variable frequency drives
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
US6636405B2 (en) 1993-09-30 2003-10-21 Michael Z. Lowenstein Mitigation of 3rd harmonic currents in electrical power distribution systems
US5565753A (en) * 1994-04-12 1996-10-15 Allen-Bradley Company, Inc. Method and apparatus for current rebalance in induction motor
US5663636A (en) * 1994-05-26 1997-09-02 Abb Stromberg Kojeet Oy Method for reducing waveform distortion in an electrical utility system and circuit for an electrical utility system
US5548203A (en) 1994-06-29 1996-08-20 Electric Power Research Institute, Inc. Capacitor polarity-based var correction controller for resonant line conditions and large amplitude line harmonics
US5576942A (en) * 1994-09-30 1996-11-19 Universities Research Association, Inc. Method and apparatus for reducing the harmonic currents in alternating-current distribution networks
US5831410A (en) * 1994-11-04 1998-11-03 Allen Bradley Company, Inc. Apparatus used with AC motors for eliminating line voltage reflections
US5637976A (en) * 1995-09-29 1997-06-10 Allen-Bradley Company, Inc. Method and apparatus for RMS current measurement in induction motors without a current transformer
US5789928A (en) * 1995-11-01 1998-08-04 Sundstrand Corporation Circuit and method for discriminating the source of waveform distortion in an electric power generation and distribution system
US5757099A (en) * 1996-03-01 1998-05-26 Wisconsin Alumni Research Foundation Hybrid parallel active/passive filter system with dynamically variable inductance
JPH10174484A (ja) * 1996-12-10 1998-06-26 Zexel Corp 直流ブラシレスモータ駆動装置
SE9704421D0 (sv) * 1997-02-03 1997-11-28 Asea Brown Boveri Seriekompensering av elektrisk växelströmsmaskin
US6122184A (en) * 1997-06-19 2000-09-19 The Texas A&M University System Method and system for an improved converter output filter for an induction drive system
US5844791A (en) * 1997-06-30 1998-12-01 Mte Corporation Single-phase harmonic filter system
US6043589A (en) * 1997-07-02 2000-03-28 Acuson Corporation Two-dimensional transducer array and the method of manufacture thereof
US5814901A (en) * 1997-07-14 1998-09-29 General Electric Company Harmonic blocking at source transformer
US6043569A (en) 1998-03-02 2000-03-28 Ferguson; Gregory N. C. Zero phase sequence current filter apparatus and method for connection to the load end of six or four-wire branch circuits
JP3864327B2 (ja) * 1998-10-30 2006-12-27 株式会社安川電機 Ｐｗｍサイクロコンバータ
CA2268480C (en) * 1999-04-09 2001-06-19 1061933 Ontario Inc. Universal harmonic mitigating system
JP3466118B2 (ja) * 1999-08-31 2003-11-10 三菱電機株式会社 インバータ式駆動装置の漏洩電流低減フィルタ
US6400119B1 (en) * 1999-10-26 2002-06-04 Power Conservation, Ltd. Energy conserving motor controller
JP2001209443A (ja) * 1999-12-15 2001-08-03 Yong Jun Pi 電力制御装置及びその制御方法
US6586905B1 (en) * 2000-06-28 2003-07-01 Siemens Energy & Automation Automatic sensing of bypassing of soft starter or controller
US6366483B1 (en) * 2000-07-24 2002-04-02 Rockwell Automation Technologies, Inc. PWM rectifier having de-coupled power factor and output current control loops
CA2359525C (en) * 2000-10-20 2005-12-27 Delta Transformers Of Canada (1999) Ltd. Power center unit for electronic equipment
US6771524B2 (en) * 2001-12-27 2004-08-03 Otis Elevator Company Multiple PWM cycloconverter
US6803741B2 (en) * 2002-09-16 2004-10-12 Rockwell Automation Technologies, Inc. Motor controller
TW588504B (en) 2002-10-22 2004-05-21 Uis Abler Electronics Co Ltd Control method for parallel operation of inverters
CA2422529C (en) 2003-03-17 2007-01-09 1061933 Ontario Inc. Combined harmonic filter and phase converter or phase shifting device
JP4274023B2 (ja) 2004-03-31 2009-06-03 株式会社安川電機 Ｐｗｍサイクロコンバータの制御方法および制御装置
US7301789B2 (en) * 2004-08-24 2007-11-27 Rockwell Automation Technologies, Inc. Adjustable speed drive protection
US7309973B2 (en) 2006-04-24 2007-12-18 Power Conservation Ltd Mitigation of harmonic currents and conservation of power in non-linear load systems
CN101523710B (zh) * 2006-06-06 2014-03-05 威廉·亚历山大 通用功率变换器

Also Published As

Publication number Publication date
IL194858A (en) 2013-08-29
BRPI0710890A2 (pt) 2011-08-09
US20070247104A1 (en) 2007-10-25
CN101454968B (zh) 2011-09-14
CN101454968A (zh) 2009-06-10
AU2007244924A1 (en) 2007-11-08
MX2008013713A (es) 2009-03-13
US8564240B2 (en) 2013-10-22
IL194858A0 (en) 2009-08-03
JP2009535013A (ja) 2009-09-24
JP2013128411A (ja) 2013-06-27
KR101084796B1 (ko) 2011-11-21
EP2016670A4 (en) 2016-01-27
HK1131843A1 (en) 2010-02-05
JP5226670B2 (ja) 2013-07-03
CA2650801A1 (en) 2007-11-08
US7602136B2 (en) 2009-10-13
KR20090009872A (ko) 2009-01-23
US20140111134A1 (en) 2014-04-24
US7309973B2 (en) 2007-12-18
EP2016670A1 (en) 2009-01-21
WO2007127746A1 (en) 2007-11-08
US20100026232A1 (en) 2010-02-04
US20080094021A1 (en) 2008-04-24
CA2650801C (en) 2012-07-17
AU2007244924B2 (en) 2011-01-20
US20110121775A1 (en) 2011-05-26
US7902788B2 (en) 2011-03-08

Similar Documents

Publication Publication Date Title
IL194858A0 (en) Mitigation of harmonic currents and conservation of power in non-linear load systems
EP1952503A4 (en) CURRENT DISTRIBUTION CHARGE DELIVERY SYSTEM AND METHOD OF USE
EP1920515A4 (en) REGULATION OF WIND POWER LOAD POWER RATE AND ENERGY CONVERTER
GB2461227B (en) Bi-directional control of power adapter and load
EP2062375A4 (en) METHOD AND ARRANGEMENT FOR LASER COMPENSATION OF POWER AMPLIFIERS
EP2304845A4 (en) SYSTEMS AND METHODS FOR REDUCING POWER CONSUMPTION IN WIRELESS DEVICES
EP2304871A4 (en) SWITCHING POWER AMPLIFIER AND METHOD FOR CONTROLLING IT
GB2430813B (en) Method and system of managing power distribution in switch based circuits
GB2476430B (en) Methods and systems for reducing power consumption
GB201009605D0 (en) System and method for power management and load shedding
TWI368446B (en) Computer controlled amplifier and speaker system with power conservation feature
EP1836716A4 (en) METHOD FOR DETECTING A LOAD POWER DELIVERED TO A LOAD, AND THE COMPLEX IMPEDANCE OF THE LOAD
EP1813069A4 (en) SYSTEMS AND METHODS FOR VECTOR POWER AMPLIFICATION
EP2232663A4 (en) SAFETY MECHANISMS, AWAKING AND ARREST METHODS IN DISTRIBUTED POWER PLANTS
IL208718A0 (en) Modified factor ix polypeptides and uses thereof
EP2005578A4 (en) LOAD-SENSITIVE HIGH PERFORMANCE POWER AMPLIFIER
EP2054786A4 (en) UNIT CONTROL FOR SINGLE AND THREE PHASE POWER CONVERTERS
FI20070745A (fi) Sähkökäytön annon rajoittaminen sekä hissin suojaus
GB2475461B (en) Power management in a system having a processor and a voltage converter that provides a power voltage to the processor
IL184358A0 (en) Method and circuitry for improving the magnitude and shape of the output current of switching power converters
GB2497025B (en) Coordinating device and application break events for platform power saving
HK1137081A1 (en) Dc-dc converter controller having optimized load transient response and method thereof
EP2056437A4 (en) POWER SUPPLY CIRCUIT AND POWER SUPPLY SYSTEM
EP2267828A4 (en) FUEL CELL SYSTEM AND CHARGE METHOD FOLLOWING AN OPERATING MODE OF THIS SYSTEM
PT2057729E (pt) Arranjo e método conversor de potência