WO2012079068A3 - Permanent magnet motor with field weakening - Google Patents

Permanent magnet motor with field weakening Download PDF

Info

Publication number
WO2012079068A3
WO2012079068A3 PCT/US2011/064357 US2011064357W WO2012079068A3 WO 2012079068 A3 WO2012079068 A3 WO 2012079068A3 US 2011064357 W US2011064357 W US 2011064357W WO 2012079068 A3 WO2012079068 A3 WO 2012079068A3
Authority
WO
WIPO (PCT)
Prior art keywords
back iron
field strength
movable
segments
fixed
Prior art date
Application number
PCT/US2011/064357
Other languages
French (fr)
Other versions
WO2012079068A2 (en
Inventor
Erik Kauppi
Original Assignee
Current Motor Company, 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 to EP11846335.5A priority Critical patent/EP2649705A4/en
Priority to JP2013543403A priority patent/JP5970471B2/en
Priority to RU2013131763/07A priority patent/RU2578667C2/en
Priority to BR112013014398A priority patent/BR112013014398A2/en
Priority to CN201180067185.2A priority patent/CN103503277B/en
Priority to MX2013006465A priority patent/MX2013006465A/en
Application filed by Current Motor Company, Inc. filed Critical Current Motor Company, Inc.
Priority to KR1020137017918A priority patent/KR20140038928A/en
Priority to CA2819869A priority patent/CA2819869A1/en
Priority to AU2011341312A priority patent/AU2011341312B2/en
Publication of WO2012079068A2 publication Critical patent/WO2012079068A2/en
Publication of WO2012079068A3 publication Critical patent/WO2012079068A3/en
Priority to ZA2013/04149A priority patent/ZA201304149B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/02—Details
    • H02K21/021—Means for mechanical adjustment of the excitation flux
    • H02K21/028—Means for mechanical adjustment of the excitation flux by modifying the magnetic circuit within the field or the armature, e.g. by using shunts, by adjusting the magnets position, by vectorial combination of field or armature sections
    • 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
    • H02P23/0004—Control strategies in general, e.g. linear type, e.g. P, PI, PID, using robust control
    • 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
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/08—Arrangements for controlling the speed or torque of a single 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
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/10—Arrangements for controlling torque ripple, e.g. providing reduced torque ripple
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2220/00—Electrical machine types; Structures or applications thereof
    • B60L2220/50—Structural details of electrical machines
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Control Of Electric Motors In General (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

A permanent-magnet electrical machine is disclosed in which the rotor has a fixed back iron and movable back iron segments. When the movable back iron segments are in a first position, such as in contact with the fixed back iron, the field strength is high. When the movable back iron segments are in a second position in which the movable back iron segments are displaced away from the fixed back iron, the field strength is low. The ability to weaken the field strength causes the constant-power, speed ratio to be increased and thereby increases the utility of the motor for applications in which a wide speed range is desired. The disclosure applies to both permanent-magnet motors and generators. In an alternative embodiment, the stator ring is provided with a fixed portion and at least one movable stator segment.
PCT/US2011/064357 2010-12-10 2011-12-12 Permanent magnet motor with field weakening WO2012079068A2 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
JP2013543403A JP5970471B2 (en) 2010-12-10 2011-12-12 Permanent magnet motor to weaken the magnetic field
RU2013131763/07A RU2578667C2 (en) 2010-12-10 2011-12-12 Motor with permanent magnets with field reduction
BR112013014398A BR112013014398A2 (en) 2010-12-10 2011-12-12 field weakening permanent magnet motor
CN201180067185.2A CN103503277B (en) 2010-12-10 2011-12-12 The permanent magnet motor that field is weakened
MX2013006465A MX2013006465A (en) 2010-12-10 2011-12-12 Permanent magnet motor with field weakening.
EP11846335.5A EP2649705A4 (en) 2010-12-10 2011-12-12 Permanent magnet motor with field weakening
KR1020137017918A KR20140038928A (en) 2010-12-10 2011-12-12 Permanent magnet motor with field weakening
CA2819869A CA2819869A1 (en) 2010-12-10 2011-12-12 Permanent magnet motor with field weakening
AU2011341312A AU2011341312B2 (en) 2010-12-10 2011-12-12 Permanent magnet motor with field weakening
ZA2013/04149A ZA201304149B (en) 2010-12-10 2013-06-06 Permanent magnet motor with field weakening

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US42195210P 2010-12-10 2010-12-10
US61/421,952 2010-12-10

Publications (2)

Publication Number Publication Date
WO2012079068A2 WO2012079068A2 (en) 2012-06-14
WO2012079068A3 true WO2012079068A3 (en) 2012-08-30

Family

ID=46063733

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2011/064357 WO2012079068A2 (en) 2010-12-10 2011-12-12 Permanent magnet motor with field weakening

Country Status (14)

Country Link
US (2) US8288982B2 (en)
EP (1) EP2649705A4 (en)
JP (1) JP5970471B2 (en)
KR (1) KR20140038928A (en)
CN (1) CN103503277B (en)
AU (1) AU2011341312B2 (en)
BR (1) BR112013014398A2 (en)
CA (1) CA2819869A1 (en)
CL (1) CL2013001651A1 (en)
CO (1) CO6761365A2 (en)
MX (1) MX2013006465A (en)
RU (1) RU2578667C2 (en)
WO (1) WO2012079068A2 (en)
ZA (1) ZA201304149B (en)

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JP2013150539A (en) * 2011-12-22 2013-08-01 Yamaha Motor Co Ltd Dynamo-electric machine
KR20130090166A (en) * 2012-02-03 2013-08-13 삼성전자주식회사 Motor
EP2815485B1 (en) * 2012-02-16 2021-04-07 Rolls-Royce North American Technologies, Inc. Gas turbine engine and electric machine
US20130093188A1 (en) * 2012-04-09 2013-04-18 Jae Hyun Lim Method for generating additional electric energy in electric motorcycles
US9604124B2 (en) * 2013-12-05 2017-03-28 Aaron Benjamin Aders Technologies for transportation
DE102014206342A1 (en) 2014-04-02 2015-10-08 Volkswagen Aktiengesellschaft Rotor for an electric machine with field weakening device and electric machine
EP3205524B1 (en) 2014-11-25 2021-07-21 Yamaha Hatsudoki Kabushiki Kaisha Vehicle and engine generator unit for driving vehicle
JP2016116286A (en) * 2014-12-12 2016-06-23 シンフォニアテクノロジー株式会社 Rotary electric machine
US9634599B2 (en) * 2015-01-05 2017-04-25 Canrig Drilling Technology Ltd. High speed ratio permanent magnet motor
EP3280038A1 (en) 2016-08-03 2018-02-07 Siemens Aktiengesellschaft Drive device
US10016246B2 (en) 2016-08-16 2018-07-10 Ethicon Llc Methods, systems, and devices for controlling a motor of a robotic surgical system
US9956050B2 (en) 2016-08-16 2018-05-01 Ethicon Endo-Surgery, Llc Methods, systems, and devices for controlling a motor of a robotic surgical system
US9968412B2 (en) 2016-08-16 2018-05-15 Ethicon Endo-Surgery, Llc Methods, systems, and devices for controlling a motor of a robotic surgical system
US10811945B2 (en) 2017-08-25 2020-10-20 Schaeffler Technologies AG & Co. KG Permanent magnet machine including ferromagnetic components for external field weakening and method of constructing
JP7116284B2 (en) * 2017-10-11 2022-08-10 ボッシュ株式会社 electric motorcycle
CN113366729A (en) * 2018-10-16 2021-09-07 康明斯公司 Motor structure and process
KR102284530B1 (en) * 2019-11-26 2021-08-02 (주)지우이노베이션 Motor
KR102622872B1 (en) * 2021-06-17 2024-01-10 현대무벡스 주식회사 Goods transfer system
WO2024012697A1 (en) 2022-07-15 2024-01-18 Gkn Automotive Limited Electric machine
KR20240056138A (en) * 2022-10-21 2024-04-30 엘지전자 주식회사 Drive system of a washing machine

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Publication number Priority date Publication date Assignee Title
US5455473A (en) * 1992-05-11 1995-10-03 Electric Power Research Institute, Inc. Field weakening for a doubly salient motor with stator permanent magnets
US6194802B1 (en) * 1999-09-08 2001-02-27 Dantam K. Rao Axial gap motor with radially movable magnets to increase speed capablity
US20040200057A1 (en) * 2003-02-06 2004-10-14 Maslov Boris A. Systems and methods for manufacturing adaptive electric machines
US20090230802A1 (en) * 2008-03-13 2009-09-17 Akinori Kamiya Permanent magnet type generator and hybrid vehicle using the same
KR20100029250A (en) * 2007-07-26 2010-03-16 유겐가이샤 쿠라 기주츠 겐큐쇼 Flux shunt control rotary electric machine system
KR20100041836A (en) * 2007-08-17 2010-04-22 유겐가이샤 쿠라 기주츠 겐큐쇼 Magnetic flux distribution control type rotary electrical machine system

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Publication number Priority date Publication date Assignee Title
US5455473A (en) * 1992-05-11 1995-10-03 Electric Power Research Institute, Inc. Field weakening for a doubly salient motor with stator permanent magnets
US6194802B1 (en) * 1999-09-08 2001-02-27 Dantam K. Rao Axial gap motor with radially movable magnets to increase speed capablity
US20040200057A1 (en) * 2003-02-06 2004-10-14 Maslov Boris A. Systems and methods for manufacturing adaptive electric machines
KR20100029250A (en) * 2007-07-26 2010-03-16 유겐가이샤 쿠라 기주츠 겐큐쇼 Flux shunt control rotary electric machine system
KR20100041836A (en) * 2007-08-17 2010-04-22 유겐가이샤 쿠라 기주츠 겐큐쇼 Magnetic flux distribution control type rotary electrical machine system
US20090230802A1 (en) * 2008-03-13 2009-09-17 Akinori Kamiya Permanent magnet type generator and hybrid vehicle using the same

Also Published As

Publication number Publication date
US8390232B2 (en) 2013-03-05
EP2649705A4 (en) 2018-03-14
RU2578667C2 (en) 2016-03-27
JP2013545433A (en) 2013-12-19
EP2649705A2 (en) 2013-10-16
CO6761365A2 (en) 2013-09-30
US20120126740A1 (en) 2012-05-24
AU2011341312A1 (en) 2013-07-04
US20120286615A1 (en) 2012-11-15
CL2013001651A1 (en) 2013-11-29
JP5970471B2 (en) 2016-08-17
US8288982B2 (en) 2012-10-16
MX2013006465A (en) 2013-09-06
WO2012079068A2 (en) 2012-06-14
RU2013131763A (en) 2015-01-20
KR20140038928A (en) 2014-03-31
CN103503277B (en) 2016-06-01
CN103503277A (en) 2014-01-08
AU2011341312B2 (en) 2016-05-05
BR112013014398A2 (en) 2017-08-01
ZA201304149B (en) 2014-08-27
CA2819869A1 (en) 2012-06-14

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