GB2612462B - Permanent magnet motor with variable saliency ratio and design method thereof - Google Patents

Permanent magnet motor with variable saliency ratio and design method thereof Download PDF

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Publication number
GB2612462B
GB2612462B GB2218905.4A GB202218905A GB2612462B GB 2612462 B GB2612462 B GB 2612462B GB 202218905 A GB202218905 A GB 202218905A GB 2612462 B GB2612462 B GB 2612462B
Authority
GB
United Kingdom
Prior art keywords
variable
permanent magnet
design method
magnet motor
saliency ratio
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.)
Active
Application number
GB2218905.4A
Other versions
GB2612462A (en
GB202218905D0 (en
Inventor
Xu Lei
Zhu Xiaoyong
Quan Li
Fan Wenjie
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.)
Jiangsu University
Original Assignee
Jiangsu University
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 CN202111677293.3A external-priority patent/CN114204710B/en
Application filed by Jiangsu University filed Critical Jiangsu University
Publication of GB202218905D0 publication Critical patent/GB202218905D0/en
Publication of GB2612462A publication Critical patent/GB2612462A/en
Application granted granted Critical
Publication of GB2612462B publication Critical patent/GB2612462B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
    • H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • 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
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/24—Rotor cores with salient poles ; Variable reluctance rotors
    • H02K1/246—Variable reluctance rotors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Linear Motors (AREA)
GB2218905.4A 2021-12-31 2022-01-07 Permanent magnet motor with variable saliency ratio and design method thereof Active GB2612462B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202111677293.3A CN114204710B (en) 2021-12-31 2021-12-31 Variable salient pole rate permanent magnet motor and design method thereof
PCT/CN2022/070670 WO2023123534A1 (en) 2021-12-31 2022-01-07 Variable-saliency-ratio permanent magnet motor and design method therefor

Publications (3)

Publication Number Publication Date
GB202218905D0 GB202218905D0 (en) 2023-01-25
GB2612462A GB2612462A (en) 2023-05-03
GB2612462B true GB2612462B (en) 2024-04-10

Family

ID=85986960

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2218905.4A Active GB2612462B (en) 2021-12-31 2022-01-07 Permanent magnet motor with variable saliency ratio and design method thereof

Country Status (1)

Country Link
GB (1) GB2612462B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104638863A (en) * 2015-01-23 2015-05-20 浙江迈雷科技有限公司 Permanent-magnet synchronous motor
CN106026597A (en) * 2016-07-11 2016-10-12 江苏大学 Built-in magnetic barrier type magnetic field enhanced permanent magnet brushless motor
EP3767809A1 (en) * 2018-03-16 2021-01-20 Gree Electric Appliances, Inc. of Zhuhai Permanent magnet auxiliary synchronous reluctance motor and electric vehicle provided with same
WO2021065687A1 (en) * 2019-09-30 2021-04-08 ダイキン工業株式会社 Rotor and motor
CN112769307A (en) * 2021-03-24 2021-05-07 哈尔滨理工大学 Asymmetric permanent magnet memory motor with dynamically adjustable shaft offset capability
CN114204710A (en) * 2021-12-31 2022-03-18 江苏大学 Permanent magnet motor with multiple salient pole ratios and design method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104638863A (en) * 2015-01-23 2015-05-20 浙江迈雷科技有限公司 Permanent-magnet synchronous motor
CN106026597A (en) * 2016-07-11 2016-10-12 江苏大学 Built-in magnetic barrier type magnetic field enhanced permanent magnet brushless motor
EP3767809A1 (en) * 2018-03-16 2021-01-20 Gree Electric Appliances, Inc. of Zhuhai Permanent magnet auxiliary synchronous reluctance motor and electric vehicle provided with same
WO2021065687A1 (en) * 2019-09-30 2021-04-08 ダイキン工業株式会社 Rotor and motor
CN112769307A (en) * 2021-03-24 2021-05-07 哈尔滨理工大学 Asymmetric permanent magnet memory motor with dynamically adjustable shaft offset capability
CN114204710A (en) * 2021-12-31 2022-03-18 江苏大学 Permanent magnet motor with multiple salient pole ratios and design method thereof

Also Published As

Publication number Publication date
GB2612462A (en) 2023-05-03
GB202218905D0 (en) 2023-01-25

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