JPS57186966A - Rotor for permanent-magnet type synchronous motor - Google Patents

Rotor for permanent-magnet type synchronous motor

Info

Publication number
JPS57186966A
JPS57186966A JP56069406A JP6940681A JPS57186966A JP S57186966 A JPS57186966 A JP S57186966A JP 56069406 A JP56069406 A JP 56069406A JP 6940681 A JP6940681 A JP 6940681A JP S57186966 A JPS57186966 A JP S57186966A
Authority
JP
Japan
Prior art keywords
core
rotor
pole
axis
permanent
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.)
Granted
Application number
JP56069406A
Other languages
Japanese (ja)
Other versions
JPS6260906B2 (en
Inventor
Hisaya Sasamoto
Kunio Miyashita
Hiroshi Sugai
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP56069406A priority Critical patent/JPS57186966A/en
Publication of JPS57186966A publication Critical patent/JPS57186966A/en
Publication of JPS6260906B2 publication Critical patent/JPS6260906B2/ja
Granted legal-status Critical Current

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
    • H02K1/278—Surface mounted magnets; Inset magnets

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)

Abstract

PURPOSE:To improve both operational and starting characteristics for the subject rotor by a method wherein a cage-shaped conductor and a permanent magnet are arranged on the outer circumferential surface of a rotor core, and the ratio of the void length g1 of the rotor core and the stator core located between adjoining poles and the void length g2 of the rotor core and the stator core within a pole is set at g2/f1>1. CONSTITUTION:A plurality of permanent magnets 3 per pole are arranged on the outer circumferential surface of the rotor core 1 and the cage-shaped conductor 2 is arranged in the core section located between the permanent magnets 3. For the rotor core 1, when the void length between core section located between the adjoining poles (on q-axis) of the rotor and the stator core 7 is set at g1 and the void length between the core section located between the permanent magnets (on d-axis) in a pole and a stator core 7 is set at g2, the outside diameter of the core section on the d-axis is formed a little smaller than the outside diameter of the core section on the q-axis. Accordingly, the coefficient of utilization of magnetic flux can be improved because the leakage flux coming from the N pole and reaching the S pole is reduced without breaking the stator winding.
JP56069406A 1981-05-11 1981-05-11 Rotor for permanent-magnet type synchronous motor Granted JPS57186966A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56069406A JPS57186966A (en) 1981-05-11 1981-05-11 Rotor for permanent-magnet type synchronous motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56069406A JPS57186966A (en) 1981-05-11 1981-05-11 Rotor for permanent-magnet type synchronous motor

Publications (2)

Publication Number Publication Date
JPS57186966A true JPS57186966A (en) 1982-11-17
JPS6260906B2 JPS6260906B2 (en) 1987-12-18

Family

ID=13401683

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56069406A Granted JPS57186966A (en) 1981-05-11 1981-05-11 Rotor for permanent-magnet type synchronous motor

Country Status (1)

Country Link
JP (1) JPS57186966A (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5038065A (en) * 1988-05-13 1991-08-06 Hitachi, Ltd. Permanent magnet reversible synchronous motor
US6727624B2 (en) * 2001-06-21 2004-04-27 Sumitomo Heavy Industries, Ltd. Embedded permanent magnet type induction motor which allows coil embedding work to be easily performed
US7019427B2 (en) * 1999-07-16 2006-03-28 Matsushita Electric Industrial Co., Ltd. Permanent magnet synchronous motor
US7105971B2 (en) 2002-04-15 2006-09-12 Denso Corporation Permanent-magnet rotor for an inner rotor type electric rotary machine and magnet-saving type rotor for a synchronous motor
EP2099054A3 (en) * 2008-03-03 2010-07-14 NEC Microwave Tube, Ltd. Voltage control, apparatus, power supply apparatus, electron tube and high-frequency circuit system
DE102009042452A1 (en) * 2009-09-23 2011-03-31 Elektromotorenwerk Grünhain GmbH & Co. KG Cage rotor for electric machines, has rotor made of pierced motor sheet and multiple grooves with arbitrary geometric figure, where end area of grooves pointing to outer circumference of rotor is formed with rare earth material
WO2015071469A3 (en) * 2013-11-15 2015-07-30 Coreteq Systems Ltd Line start permanent magnet motor using a hybrid rotor
CN107134868A (en) * 2017-04-25 2017-09-05 高大田 A kind of magnetic leakage free squirrel-cage permanent magnet AC machine rotor
US10199897B2 (en) 2013-11-15 2019-02-05 COREteQ Systems Ltd. Very high temperature stator construction
US10340779B2 (en) 2013-11-15 2019-07-02 COREteQ Systems Ltd. Line start permanent magnet motor using a modular rotor
US10340777B2 (en) 2013-11-15 2019-07-02 COREteQ Systems Ltd. Line start permanent magnet motor
US10523077B2 (en) 2013-11-15 2019-12-31 Coreteq System Ltd. Very high temperature electrical winding
CN111355318A (en) * 2020-04-13 2020-06-30 南京工程学院 High-power permanent magnet synchronous motor
EP2597752B1 (en) * 2011-11-28 2021-04-21 Kienle + Spiess GmbH Stacked lamination for rotors and/or stators of electric motors and generators, rotor with such a stacked lamination

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5038065A (en) * 1988-05-13 1991-08-06 Hitachi, Ltd. Permanent magnet reversible synchronous motor
US7019427B2 (en) * 1999-07-16 2006-03-28 Matsushita Electric Industrial Co., Ltd. Permanent magnet synchronous motor
US7183686B2 (en) 1999-07-16 2007-02-27 Matsushita Electric Industrial Co., Ltd. Permanent magnet synchronous motor
US7372183B2 (en) 1999-07-16 2008-05-13 Matsushita Electric Industrial Co., Ltd. Permanent magnet synchronous motor
US6727624B2 (en) * 2001-06-21 2004-04-27 Sumitomo Heavy Industries, Ltd. Embedded permanent magnet type induction motor which allows coil embedding work to be easily performed
US7105971B2 (en) 2002-04-15 2006-09-12 Denso Corporation Permanent-magnet rotor for an inner rotor type electric rotary machine and magnet-saving type rotor for a synchronous motor
EP2099054A3 (en) * 2008-03-03 2010-07-14 NEC Microwave Tube, Ltd. Voltage control, apparatus, power supply apparatus, electron tube and high-frequency circuit system
US8212481B2 (en) 2008-03-03 2012-07-03 Nec Microwave Tube, Ltd Voltage control apparatus, power supply apparatus, electron tube and high-frequency circuit system
DE102009042452A1 (en) * 2009-09-23 2011-03-31 Elektromotorenwerk Grünhain GmbH & Co. KG Cage rotor for electric machines, has rotor made of pierced motor sheet and multiple grooves with arbitrary geometric figure, where end area of grooves pointing to outer circumference of rotor is formed with rare earth material
EP2597752B1 (en) * 2011-11-28 2021-04-21 Kienle + Spiess GmbH Stacked lamination for rotors and/or stators of electric motors and generators, rotor with such a stacked lamination
GB2539802A (en) * 2013-11-15 2016-12-28 Coreteq Ltd Line start permanent magnet motor using a hybrid rotor
US10199897B2 (en) 2013-11-15 2019-02-05 COREteQ Systems Ltd. Very high temperature stator construction
US10340779B2 (en) 2013-11-15 2019-07-02 COREteQ Systems Ltd. Line start permanent magnet motor using a modular rotor
US10340777B2 (en) 2013-11-15 2019-07-02 COREteQ Systems Ltd. Line start permanent magnet motor
US10367400B2 (en) 2013-11-15 2019-07-30 COREteQ Systems Ltd. Line start permanent magnet motor using a hybrid rotor
US10523077B2 (en) 2013-11-15 2019-12-31 Coreteq System Ltd. Very high temperature electrical winding
WO2015071469A3 (en) * 2013-11-15 2015-07-30 Coreteq Systems Ltd Line start permanent magnet motor using a hybrid rotor
GB2539802B (en) * 2013-11-15 2022-02-23 Coreteq Systems Ltd Line start permanent magnet motor using a hybrid rotor
CN107134868A (en) * 2017-04-25 2017-09-05 高大田 A kind of magnetic leakage free squirrel-cage permanent magnet AC machine rotor
CN111355318A (en) * 2020-04-13 2020-06-30 南京工程学院 High-power permanent magnet synchronous motor

Also Published As

Publication number Publication date
JPS6260906B2 (en) 1987-12-18

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