DE60023714D1 - Ansteuerung einer elektrischen reluktanz maschine - Google Patents

Ansteuerung einer elektrischen reluktanz maschine

Info

Publication number
DE60023714D1
DE60023714D1 DE60023714T DE60023714T DE60023714D1 DE 60023714 D1 DE60023714 D1 DE 60023714D1 DE 60023714 T DE60023714 T DE 60023714T DE 60023714 T DE60023714 T DE 60023714T DE 60023714 D1 DE60023714 D1 DE 60023714D1
Authority
DE
Germany
Prior art keywords
control
rotor
current
magnetomotive force
armature winding
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 - Lifetime
Application number
DE60023714T
Other languages
English (en)
Other versions
DE60023714T2 (de
Inventor
Charles Pollock
Helen Geraldine Phylli Pollock
Richard Thomas Walter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Black and Decker Inc
Original Assignee
University of Warwick
Black and Decker Inc
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
Priority claimed from GBGB9919345.0A external-priority patent/GB9919345D0/en
Priority claimed from GBGB9924203.4A external-priority patent/GB9924203D0/en
Application filed by University of Warwick, Black and Decker Inc filed Critical University of Warwick
Publication of DE60023714D1 publication Critical patent/DE60023714D1/de
Application granted granted Critical
Publication of DE60023714T2 publication Critical patent/DE60023714T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
    • H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
    • H02P1/163—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual reluctance motor
    • 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
    • H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
    • H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
    • 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
    • H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
    • H02P25/08—Reluctance motors
    • 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
    • H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
    • H02P25/08—Reluctance motors
    • H02P25/092—Converters specially adapted for controlling reluctance motors
    • H02P25/0925—Converters specially adapted for controlling reluctance motors wherein the converter comprises only one switch per phase
DE60023714T 1999-08-17 2000-08-17 Ansteuerung einer elektrischen reluktanzmaschine Expired - Lifetime DE60023714T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB9919345 1999-08-17
GBGB9919345.0A GB9919345D0 (en) 1999-08-17 1999-08-17 Electrical machines
GB9924203 1999-10-14
GBGB9924203.4A GB9924203D0 (en) 1999-10-14 1999-10-14 Electrical machines
PCT/GB2000/003213 WO2001013507A1 (en) 1999-08-17 2000-08-17 Electrical machines

Publications (2)

Publication Number Publication Date
DE60023714D1 true DE60023714D1 (de) 2005-12-08
DE60023714T2 DE60023714T2 (de) 2006-07-27

Family

ID=26315850

Family Applications (4)

Application Number Title Priority Date Filing Date
DE60023714T Expired - Lifetime DE60023714T2 (de) 1999-08-17 2000-08-17 Ansteuerung einer elektrischen reluktanzmaschine
DE60023317T Expired - Lifetime DE60023317T2 (de) 1999-08-17 2000-08-17 Ansteuerung einer elektrischen reluktanzmaschine
DE60025224T Expired - Lifetime DE60025224T2 (de) 1999-08-17 2000-08-17 Ansteuerung einer elektrischen reluktanzmaschine
DE60007878T Expired - Lifetime DE60007878T2 (de) 1999-08-17 2000-08-17 Ansteuerung einer elektrischen reluktanz maschine

Family Applications After (3)

Application Number Title Priority Date Filing Date
DE60023317T Expired - Lifetime DE60023317T2 (de) 1999-08-17 2000-08-17 Ansteuerung einer elektrischen reluktanzmaschine
DE60025224T Expired - Lifetime DE60025224T2 (de) 1999-08-17 2000-08-17 Ansteuerung einer elektrischen reluktanzmaschine
DE60007878T Expired - Lifetime DE60007878T2 (de) 1999-08-17 2000-08-17 Ansteuerung einer elektrischen reluktanz maschine

Country Status (8)

Country Link
US (4) US6646406B1 (de)
EP (4) EP1208635B1 (de)
AT (4) ATE258342T1 (de)
AU (4) AU6708800A (de)
DE (4) DE60023714T2 (de)
DK (1) DK1208643T3 (de)
ES (3) ES2251401T3 (de)
WO (4) WO2001013507A1 (de)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1208635B1 (de) * 1999-08-17 2005-11-02 Black & Decker Inc. Ansteuerung einer elektrischen reluktanz maschine
JP3826785B2 (ja) * 2001-12-25 2006-09-27 株式会社デンソー 回転電機
TW200405638A (en) * 2002-05-24 2004-04-01 Virginia Tech Intell Prop Radial-axial electromagnetic flux electric motor, coaxial electromagnetic flux electric motor, and rotor for same
US7372232B2 (en) * 2002-05-24 2008-05-13 Virginia Tech Intellectual Properties, Inc. Apparatus for drive control, power conversion, and start-up control in a PMBDCM or two-phase SRM drive system
GB0221117D0 (en) * 2002-09-12 2002-10-23 Black & Decker Inc Control of electrical machines
US7250734B1 (en) * 2003-05-27 2007-07-31 Synchrony, Inc. High performance switched reluctance machine
US7053586B2 (en) * 2003-11-04 2006-05-30 Dynamotors, Inc. Brushless repulsion motor speed control system
US7375488B2 (en) * 2003-11-04 2008-05-20 Dynamoters, Inc. Brushless repulsion motor speed control system
DE102004030460B3 (de) * 2004-06-24 2005-06-30 Hans Hermann Rottmerhusen Elektromotorischer Antrieb für ein Fahrzeug
US7166948B2 (en) * 2004-09-15 2007-01-23 Petersen Technology Corporation Apparatus and method for dissipating a portion of the commutation derived collapsing field energy in a multi-phase unipolar electric motor
EP1672788B1 (de) * 2004-12-17 2007-09-05 Thales Security Solutions & Services GmbH Siebschaltung
US20060170389A1 (en) * 2005-01-31 2006-08-03 Caterpillar Inc Medium voltage switched reluctance motors used in traction applications
CN101218740B (zh) * 2005-07-06 2011-02-09 艾康有限公司 电动机
DE602005021794D1 (de) * 2005-11-03 2010-07-22 Black & Decker Inc Steuerung geschalteter Reluktanzmaschinen
US20070222408A1 (en) * 2006-03-27 2007-09-27 William Hughes Simplified solid state electric motor drive technique
US20070278984A1 (en) * 2006-05-31 2007-12-06 Rodwan Tarek Adra 2-Phase switched reluctance device and associated control topologies
US7486040B2 (en) * 2006-08-22 2009-02-03 Delphi Technologies, Inc. Circuit to momentarily increase the peak torque of a DC motor
US8732896B2 (en) 2006-10-17 2014-05-27 Mtd Products Inc Hybrid electric cleaning device
US7479754B2 (en) * 2006-10-17 2009-01-20 Desa Ip Llc Hybrid electric lawnmower
US7728534B2 (en) * 2006-10-17 2010-06-01 Mtd Products Inc Hybrid electric lawnmower
WO2008048618A2 (en) 2006-10-17 2008-04-24 Desa Ip. Llc Hybrid electric device
US20080120955A1 (en) * 2006-10-17 2008-05-29 Lucas Delbert R Hybrid electric lawnmower
WO2008050919A1 (en) * 2006-10-25 2008-05-02 Lg Electronics Inc. Apparatus and method for driving 2-phase srm
CN100428623C (zh) * 2006-11-15 2008-10-22 北京交通大学 一种磁浮开关磁阻电机悬浮绕组的功率电路控制系统
CN101209683B (zh) * 2006-12-26 2011-06-15 比亚迪股份有限公司 电动汽车驱动电机控制方法及其控制系统
US8076873B1 (en) 2007-06-01 2011-12-13 Mtd Products Inc Hybrid outdoor power equipment
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
US8903577B2 (en) 2009-10-30 2014-12-02 Lsi Industries, Inc. Traction system for electrically powered vehicles
GB2455122A (en) * 2007-11-29 2009-06-03 Technelec Ltd Control of electrical machines
GB2455123A (en) 2007-11-29 2009-06-03 Technelec Ltd Control of electrical machines
CN102192166B (zh) * 2010-03-12 2016-03-30 德昌电机(深圳)有限公司 风机
US20120104879A1 (en) * 2010-11-03 2012-05-03 Krishnan Ramu Noise reduction structures for electrical machines
GB2489423A (en) 2011-03-25 2012-10-03 Technelec Ltd Flux switching electrical machine with slotted rotor
GB2491194A (en) * 2011-05-27 2012-11-28 Norbar Torque Tools Torque tool with synchronous reluctance motor
US9236784B2 (en) 2012-03-30 2016-01-12 General Electric Company Flux-switching electric machine
US9106122B2 (en) * 2013-01-25 2015-08-11 Everette Energy, LLC Single phase switched reluctance machine with short flux path
NZ716318A (en) * 2014-01-17 2017-07-28 Resmed Motor Technologies Inc Switched reluctance motor
CN103811147A (zh) * 2014-02-21 2014-05-21 南通大青节能科技有限公司 永磁电机转子多极充磁电路装置
US10075051B2 (en) * 2015-03-16 2018-09-11 Foster-Miller, Inc. Series-wound heteropolar inductor motor
CN105162271B (zh) * 2015-08-21 2018-09-28 南京高传机电自动控制设备有限公司 定子励磁风力发电机
US10298101B2 (en) * 2016-05-03 2019-05-21 Arm Ltd. Driver circuit for electric motors
DE102016214103A1 (de) * 2016-07-29 2018-02-01 Rheinisch-Westfälische Technische Hochschule Aachen (RWTH) Antriebsumrichter für geschaltete Reluktanzmaschine
EP3562697A4 (de) * 2016-12-30 2020-08-26 Axel Michael Sigmar Aktives hybrides integriertes serienelektrofahrzeug
RU2669192C2 (ru) * 2017-03-09 2018-10-09 Общество с ограниченной ответственностью "ГИОР" Способ запуска вентильно-индукторного электродвигателя
RU181759U1 (ru) * 2017-09-26 2018-07-26 Общество с ограниченной ответственностью "ПромЭлКом" Индукторный привод вспомогательных машин тягового подвижного состава
RU2662233C1 (ru) * 2017-11-22 2018-07-25 Общество с ограниченной ответственностью Научно-производственное предприятие "Резонанс" (ООО НПП "Резонанс") Индукторная электрическая машина
CN110000771B (zh) * 2019-05-05 2023-11-21 大国重器自动化设备(山东)股份有限公司 一种机器人
CN113904517A (zh) * 2021-11-03 2022-01-07 辽宁工程技术大学 一种直流励磁型磁场调制电机
CN114337460B (zh) * 2021-12-31 2022-12-13 西比里电机技术(苏州)有限公司 一种高压电机的驱动拓扑电路
CN114337458B (zh) * 2021-12-31 2022-12-06 西比里电机技术(苏州)有限公司 一种两相开关磁阻电机的驱动拓扑电路
CN114337457B (zh) * 2021-12-31 2023-08-15 西比里电机技术(苏州)有限公司 一种两相电机的不对称半桥拓扑电路

Family Cites Families (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB554827A (en) 1941-11-15 1943-07-21 British Thomson Houston Co Ltd Improvements in heteropolar inductor alternators
SU406697A1 (ru) 1972-03-17 1973-11-21 А. Д. Брусников, В. Г. Сопрунов , В. П. Быков Черкесский завод низковольтной аппаратуры ВПТБ fhilMP С','п?^5:б^ н>&и51Д CHt!iicr
JPS5262616A (en) * 1975-11-19 1977-05-24 Hitachi Ltd Electric car braking controller
US4450396A (en) * 1980-09-23 1984-05-22 Massachusetts Institute Of Technology Electrically controlled synchronous machine
DE3048999A1 (de) * 1980-12-24 1982-07-15 Robert Bosch Gmbh, 7000 Stuttgart Schaltungsanordnung zur energierueckgewinnung bei choppergesteuerten reihenschlussmaschinen
US4468599A (en) * 1981-12-23 1984-08-28 General Electric Company Plug current regulator
US4684867A (en) * 1984-05-31 1987-08-04 General Electric Company Regenerative unipolar converter for switched reluctance motors using one main switching device per phase
GB2194693A (en) 1986-08-29 1988-03-09 Rank Pullin Controls Ltd Stepper motor drive apparatus
SU1406697A1 (ru) 1986-12-10 1988-06-30 Томский политехнический институт им.С.М.Кирова Устройство формировани импульсов тока
US4935708A (en) 1987-03-25 1990-06-19 Board Of Regents, The University Of Texas Systems High energy pulse forming generator
US5001405A (en) * 1989-09-27 1991-03-19 Seagate Technology, Inc. Position detection for a brushless DC motor
US5241251A (en) 1990-05-21 1993-08-31 Asahi Kogaku Kogyo Kabushiki Kaisha Drive signal generating device
SE9002420L (sv) * 1990-07-12 1992-01-13 Skf Ab Omriktare 3
US5115181A (en) * 1990-10-05 1992-05-19 Emerson Electric Co. Power converter for a switched reluctance motor
JPH04183294A (ja) * 1990-11-15 1992-06-30 Secoh Giken Inc リラクタンス型電動機
JPH04275096A (ja) * 1991-02-27 1992-09-30 Secoh Giken Inc 負荷の数値制御装置
JPH0744872B2 (ja) * 1991-04-26 1995-05-15 株式会社セコー技研 回生制動のできるリラクタンス型電動機
IN186007B (de) 1991-12-10 2001-06-02 British Tech Group
US5485047A (en) * 1992-01-27 1996-01-16 Kabushikigaisha Sekogiken Reluctance-type motor and a rotor for a reluctance-type high-speed motor
DE4204645A1 (de) 1992-02-15 1993-08-19 Schoettle Kg Electrostar Strombegrenzungsschaltung fuer elektromotoren
IT1258950B (it) * 1992-06-05 1996-03-11 Black & Decker Inc Dispositivo di frenatura controllata per motori elettrici, in particolare di utensili portatili
US5340122A (en) 1992-06-22 1994-08-23 Ferrofluidics Corporation Differentially-pumped ferrofluidic seal
DE4232402C5 (de) * 1992-09-26 2005-10-27 Marquardt Gmbh Bremsschaltung für einen Elektromotor
US5359272A (en) 1993-02-05 1994-10-25 Emerson Electric Co. Sensorless drive control and method for doubly-fed reluctance motor
US5424624A (en) 1993-02-08 1995-06-13 Dana Corporation Driver circuit for electric actuator
DE4406546B4 (de) * 1993-02-27 2006-04-06 Goldstar Co., Ltd. Treiberschaltung eines schaltbaren Reluktanzmotors
US5548196A (en) * 1993-02-27 1996-08-20 Goldstar Co., Ltd. Switched reluctance motor driving circuit
DE4333064A1 (de) * 1993-09-29 1995-03-30 Scintilla Ag Bremsschaltung für einen Universalmotor
US5677586A (en) * 1994-08-25 1997-10-14 Emerson Electric Co. Commutation of a universal motor operating in brake mode
JP3546482B2 (ja) 1994-09-20 2004-07-28 ダイキン工業株式会社 ブラシレスｄｃモータ
WO1996023348A1 (fr) 1995-01-27 1996-08-01 Kabushiki Kaisha Yaskawa Denki Procede de demarrage d'un moteur electrique synchrone a aimants permanents a l'aide d'un detecteur de position angulaire et dispositif de commande de ce moteur
US5764007A (en) * 1995-04-20 1998-06-09 Texas Instruments Incorporated Micro-processor based motor control integrated circuit including a boost regulated DC-to-DC converter
KR960039587A (ko) * 1995-04-29 1996-11-25 유상부 직류직권전동기의 오버드라이브 제어장치
US5689164A (en) * 1995-12-08 1997-11-18 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Resonant power electronic control of switched reluctance motor
JP3503316B2 (ja) * 1995-12-26 2004-03-02 アイシン精機株式会社 スイッチドリラクタンスモータの制御装置
FR2743955B1 (fr) * 1996-01-22 1998-04-10 Moulinex Sa Procede pour alimenter un moteur a reluctance variable a commutation electronique et circuit d'alimentation pour sa mise en oeuvre
US5650887A (en) * 1996-02-26 1997-07-22 International Business Machines Corporation System for resetting sensor magnetization in a spin valve magnetoresistive sensor
US5844385A (en) 1996-07-10 1998-12-01 Sundstrand Corporation Absolute angle estimation apparatus for a sensorless switched reluctance machine system
GB9615950D0 (en) * 1996-07-30 1996-09-11 Univ Warwick Variable reluctance machines
US5739662A (en) 1996-08-30 1998-04-14 Emerson Electric Co. Low cost drive for a reluctance machine having fully-pitched windings
US5789883A (en) 1996-09-30 1998-08-04 Honeywell Inc. Pulse duration modulated switched reluctance motor control
US6075328A (en) 1996-10-18 2000-06-13 Hitachi, Ltd. PWM/PAM control mode switching type motor control apparatus, and motor drive and air-conditioner using the same
US5861724A (en) * 1997-06-03 1999-01-19 Jefferson Programmed Power, Llc Regenerative braking apparatus and method for direct current motors
TW364049B (en) * 1997-09-24 1999-07-11 Toshiba Corp Power conversion apparatus and air conditioner using the same
JP3428896B2 (ja) * 1998-05-07 2003-07-22 オークマ株式会社 トルクリップルを低減したモータ
US6081084A (en) * 1999-05-12 2000-06-27 Delco Remy America, Inc. Sensorless power angle control for a vehicle alternator
EP1208635B1 (de) * 1999-08-17 2005-11-02 Black & Decker Inc. Ansteuerung einer elektrischen reluktanz maschine
IT1319504B1 (it) * 2000-12-04 2003-10-20 St Microelectronics Srl Circuito di pilotaggio di motori commutati elettronicamente
US6566839B2 (en) * 2001-06-28 2003-05-20 Pelco Switched capacitor motor driver

Also Published As

Publication number Publication date
DE60025224D1 (de) 2006-02-02
EP1208636B1 (de) 2004-01-21
ES2252043T3 (es) 2006-05-16
DE60023317D1 (de) 2006-03-02
EP1208642A1 (de) 2002-05-29
US6867561B1 (en) 2005-03-15
ES2251401T3 (es) 2006-05-01
AU6708900A (en) 2001-03-13
DE60025224T2 (de) 2006-09-07
ES2252052T3 (es) 2006-05-16
WO2001013507A1 (en) 2001-02-22
EP1208635A1 (de) 2002-05-29
EP1208642B1 (de) 2005-10-19
AU6707900A (en) 2001-03-19
US6646406B1 (en) 2003-11-11
WO2001013508A1 (en) 2001-02-22
ATE308820T1 (de) 2005-11-15
EP1208643B1 (de) 2005-12-28
ATE258342T1 (de) 2004-02-15
ATE314751T1 (de) 2006-01-15
US6850029B1 (en) 2005-02-01
DE60023714T2 (de) 2006-07-27
WO2001013511A1 (en) 2001-02-22
DE60023317T2 (de) 2006-08-31
ATE307422T1 (de) 2005-11-15
EP1208643A1 (de) 2002-05-29
DK1208643T3 (da) 2006-03-06
US6788020B1 (en) 2004-09-07
EP1208635B1 (de) 2005-11-02
AU7018400A (en) 2001-03-13
WO2001015310A1 (en) 2001-03-01
DE60007878T2 (de) 2004-10-14
AU6708800A (en) 2001-03-13
DE60007878D1 (de) 2004-02-26
EP1208636A1 (de) 2002-05-29

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Owner name: BLACK & DECKER INC., NEWARK, DEL., US