JP6108655B2 - 発電機用磁石 - Google Patents
発電機用磁石 Download PDFInfo
- Publication number
- JP6108655B2 JP6108655B2 JP2011257741A JP2011257741A JP6108655B2 JP 6108655 B2 JP6108655 B2 JP 6108655B2 JP 2011257741 A JP2011257741 A JP 2011257741A JP 2011257741 A JP2011257741 A JP 2011257741A JP 6108655 B2 JP6108655 B2 JP 6108655B2
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- JP
- Japan
- Prior art keywords
- magnet
- skew
- generator
- width
- module
- 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.)
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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
-
- 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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/17—Stator cores with permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/06—Magnetic cores, or permanent magnets characterised by their skew
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Description
Claims (11)
- 長さL、幅WPMの主面(12)を備えたベース磁石(11)と、前記主面(12)に設けられたスキュー磁石モジュール(19)とを備えており、
前記スキュー磁石モジュール(19)は前記主面(12)に凹部(20)を有し、当該凹部(20)は前記主面(12)の長さLに対して所定の角度で設けられており、
前記ベース磁石(11)の幅W PM は前記発電機(1)の歯ピッチ(τ tooth )の2倍に実質的に等しく、前記凹部(20)の幅W PMM は前記発電機(1)の歯ピッチ(τ tooth )に実質的に等しい、
ことを特徴とする発電機(1)のための磁石。 - 前記ベース磁石(11)は長方形である、請求項1記載の磁石。
- 前記ベース磁石(11)および前記スキュー磁石モジュール(13、15、17)は一体的に形成されている、請求項1または2記載の磁石。
- 前記スキュー磁石モジュール(19)は、前記発電機(1)の歯(3)に面する、請求項1〜3のいずれか1項記載の磁石。
- 前記スキュー磁石モジュール(19)の厚さ(hPMM)は、前記ベース磁石(11)の厚さの半分以下である、請求項1〜4のいずれか1項記載の磁石。
- 請求項1〜5のいずれか1項記載の磁石(10)を備える、発電機(1)のロータ。
- 請求項1〜5のいずれか1項記載の磁石(10)を備える、発電機(1)のステータ。
- 請求項1〜5のいずれか1項記載の磁石(10)を備える、ステータ(2)およびロータを有する発電機。
- 前記発電機(1)は、風力タービン用の外側ロータ構造を有する、請求項8記載の発電機。
- 長さL、幅WPMの主面(12)を備えたベース磁石(11)と、前記主面(12)に設けられたスキュー磁石モジュール(19)とを備えており、
前記スキュー磁石モジュール(13)は、前記磁石(10)の長さLに沿った複数の磁石片(14)を備え、該磁石片(14)は幅方向にオフセットを有し、
前記ベース磁石(11)の幅WPMは、前記発電機(1)の歯ピッチ(τtooth)の2倍に実質的に等しく、前記磁石片(14)の幅WPMは、前記発電機(1)の歯ピッチ(τtooth)に実質的に等しい、
ことを特徴とする発電機(1)のための磁石。 - 長さL、幅WPMの主面(12)を備えたベース磁石(11)と、前記主面(12)に設けられたスキュー磁石モジュール(19)とを備えており、
前記スキュー磁石モジュール(15、17)は、前記磁石(10)の長さLに沿った複数の磁石片(16、18)を備え、該磁石片(16、18)は幅方向にオフセットを有し、
前記ベース磁石(11)の幅WPMは前記発電機(1)の歯ピッチ(τtooth)の2倍と2/3に実質的に等しく、
2つのスキュー磁石モジュール(15、17)が前記主面(12)に設けられており、
一方の前記スキュー磁石モジュール(15)の磁石片(16)の幅は前記発電機(1)の歯ピッチ(τtooth)に実質的に等しく、
他方の前記スキュー磁石モジュール(17)の磁石片(18)の幅WPMM2は前記発電機(1)の歯ピッチ(τtooth)の1/3倍に実質的に等しい、
ことを特徴とする発電機(1)のための磁石。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10192739.0A EP2458712B1 (en) | 2010-11-26 | 2010-11-26 | Magnet for a generator |
EP10192739.0 | 2010-11-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012115142A JP2012115142A (ja) | 2012-06-14 |
JP6108655B2 true JP6108655B2 (ja) | 2017-04-05 |
Family
ID=43927844
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011257741A Active JP6108655B2 (ja) | 2010-11-26 | 2011-11-25 | 発電機用磁石 |
Country Status (8)
Country | Link |
---|---|
US (1) | US8593028B2 (ja) |
EP (1) | EP2458712B1 (ja) |
JP (1) | JP6108655B2 (ja) |
CN (1) | CN102570633B (ja) |
AU (1) | AU2011226908B2 (ja) |
BR (1) | BRPI1106146A2 (ja) |
CA (1) | CA2759447C (ja) |
DK (1) | DK2458712T3 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101587423B1 (ko) * | 2013-08-23 | 2016-02-03 | 한국전기연구원 | 토크 맥동 저감을 위한 비대칭 자극 형상을 가지는 전기기기 |
EP2897265A1 (en) * | 2014-01-15 | 2015-07-22 | Siemens Aktiengesellschaft | Rotor with a assembly of permanent magnets arranged in axial direction and electric machine comprising such a rotor |
PL442614A1 (pl) * | 2023-01-26 | 2024-07-29 | Instytut Badań, Nauk Stosowanych I Nowych Technologii Spółka Z Ograniczoną Odpowiedzialnością | Magnetyczny odbojnik w generatorze prądu |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3768054A (en) * | 1972-04-03 | 1973-10-23 | Gen Electric | Low flux leakage magnet construction |
JPS62140876A (ja) * | 1985-12-16 | 1987-06-24 | Canon Inc | 被記録材 |
JPS6336161U (ja) * | 1986-08-22 | 1988-03-08 | ||
JPH0695738B2 (ja) * | 1986-11-07 | 1994-11-24 | キヤノン株式会社 | 撮像装置 |
US4764743A (en) * | 1987-10-26 | 1988-08-16 | The United States Of America As Represented By The Secretary Of The Army | Permanent magnet structures for the production of transverse helical fields |
US6445105B1 (en) * | 1999-04-06 | 2002-09-03 | General Electric Company | Axial flux machine and method of fabrication |
US7067948B2 (en) * | 2002-10-18 | 2006-06-27 | Mitsubishi Denki Kabushiki Kaisha | Permanent-magnet rotating machine |
JP2005328588A (ja) * | 2004-05-12 | 2005-11-24 | Mitsubishi Electric Corp | 永久磁石電動機 |
JP2006034024A (ja) * | 2004-07-20 | 2006-02-02 | Fuji Electric Systems Co Ltd | 回転電気機械の永久磁石式回転子 |
JP2006325348A (ja) * | 2005-05-19 | 2006-11-30 | Nidec Shibaura Corp | 回転子 |
GB2438443A (en) * | 2006-05-27 | 2007-11-28 | Converteam Ltd | Rotor magnet retaining arrangement suitable for low-speed large-diameter electrical generators |
US7750522B2 (en) * | 2006-07-18 | 2010-07-06 | Danotek Motion Technologies | Slow-speed direct-drive generator |
JP2009213283A (ja) * | 2008-03-05 | 2009-09-17 | Mitsuba Corp | ブラシレスモータ |
CN101651370A (zh) * | 2008-08-12 | 2010-02-17 | 寰宇电控股份有限公司 | 消除齿槽转矩的无刷永磁马达 |
EP2182619B1 (en) * | 2008-10-28 | 2012-10-03 | Siemens Aktiengesellschaft | Arrangement for cooling of an electrical machine |
EP2348612A1 (en) * | 2010-01-20 | 2011-07-27 | Siemens Aktiengesellschaft | Magnetic component part for a rotor assembly |
-
2010
- 2010-11-26 DK DK10192739.0T patent/DK2458712T3/en active
- 2010-11-26 EP EP10192739.0A patent/EP2458712B1/en active Active
-
2011
- 2011-09-27 AU AU2011226908A patent/AU2011226908B2/en not_active Ceased
- 2011-11-18 US US13/299,411 patent/US8593028B2/en active Active
- 2011-11-24 CA CA2759447A patent/CA2759447C/en active Active
- 2011-11-25 JP JP2011257741A patent/JP6108655B2/ja active Active
- 2011-11-25 CN CN201110380400.6A patent/CN102570633B/zh active Active
- 2011-11-25 BR BRPI1106146-4A patent/BRPI1106146A2/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
BRPI1106146A2 (pt) | 2013-03-12 |
DK2458712T3 (en) | 2016-05-17 |
CN102570633A (zh) | 2012-07-11 |
AU2011226908A1 (en) | 2012-06-14 |
EP2458712A1 (en) | 2012-05-30 |
JP2012115142A (ja) | 2012-06-14 |
AU2011226908B2 (en) | 2014-05-15 |
CN102570633B (zh) | 2019-04-19 |
CA2759447A1 (en) | 2012-05-26 |
US20120133232A1 (en) | 2012-05-31 |
EP2458712B1 (en) | 2016-03-23 |
CA2759447C (en) | 2018-03-20 |
US8593028B2 (en) | 2013-11-26 |
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