KR100589817B1 - 영구 자석형 모터 - Google Patents
영구 자석형 모터 Download PDFInfo
- Publication number
- KR100589817B1 KR100589817B1 KR1020010028031A KR20010028031A KR100589817B1 KR 100589817 B1 KR100589817 B1 KR 100589817B1 KR 1020010028031 A KR1020010028031 A KR 1020010028031A KR 20010028031 A KR20010028031 A KR 20010028031A KR 100589817 B1 KR100589817 B1 KR 100589817B1
- Authority
- KR
- South Korea
- Prior art keywords
- permanent magnet
- rotor
- stator
- skew
- magnet motor
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/03—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with a magnetic circuit specially adapted for avoiding torque ripples or self-starting problems
-
- 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
-
- 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
-
- 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
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
Description
보조홈의 수 | 극의 수 : 슬롯의 수 | 코깅 토크 리플의 수 | 주기(전기각) |
0 | 8:12 | 24 | 60° |
1 | 8:24 | 24 | 60° |
2 | 8:36 | 72 | 20° |
3 | 8:48 | 48 | 30° |
4 | 8:60 | 120 | 12° |
5 | 8:72 | 72 | 20° |
Claims (9)
- 영구 자석형 모터에 있어서,회전자의 원주방향으로 소정 간격으로 배치된 M개의 영구 자석을 구비한 회전자와,상기 원주방향으로 소정 간격으로 정렬되며 M개의 영구 자석과 대향하는 P개의 자극부를 구비한 고정자를 포함하며,n개의 보조홈이 상기 회전자의 영구 자석에 대향하는 상기 고정자의 각 자극부의 면에 규정되며, 전기각 72°의 스큐가 상기 회전자와 상기 고정자 사이에 상대적으로 제공되며, M, P 및 n은 정수이며, 스큐가 상기 회전자와 상기 고정자 사이에 상대적으로 제공되지 않는 경우에 상기 회전자의 회전당 코깅 토크 리플수는 M과 (n+1)×P의 최소공배수와 동일하며, 코깅 토크의 리플수의 주기에 대응하는 전기각은 M과 (n+1)×P의 최소공배수와 동일한 상기 회전자의 회전당 코깅 토크 리플수로 180×M을 나눈 값이며, M, P 및 n은 전기각으로서 모터의 코깅 토크의 주기가 72°의 약수가 되도록 하는 관계에 있는영구 자석형 모터.
- 제 1 항에 있어서,상기 전기각 72°의 스큐는 상기 회전자와 상기 고정자 사이에 상대적으로 제공되며, 상기 영구 자석의 수가 2N이고, 상기 자극부의 수가 3N이며, 여기서 N은 1이상의 정수인영구 자석형 모터.
- 제 1 항에 있어서,상기 전기각 72°의 스큐는 상기 회전자와 상기 고정자 사이에 상대적으로 제공되며, 상기 영구 자석의 수가 N이고, 상기 자극부의 수가 3N이며, 여기서 N은 2 이상의 짝수인영구 자석형 모터.
- 제 1 항에 있어서,상기 전기각 72°의 스큐는 상기 회전자와 상기 고정자 사이에 상대적으로 제공되며, 상기 영구 자석의 수가 4N이고, 상기 자극부의 수가 3N이며, 여기서 N은 1 이상의 정수인영구 자석형 모터.
- 제 1 항에 있어서,상기 스큐는 상기 회전자와 상기 고정자중 어느 하나에 제공되는영구 자석형 모터.
- 제 1 항에 있어서,상기 스큐는 상기 회전자와 상기 고정자 모두에 제공되는영구 자석형 모터.
- 제 1 항에 있어서,4개의 보조홈이 모든 자극부에 대해 형성되는영구 자석형 모터.
- 제 1 항에 있어서,상기 고정자의 권선은 집중적으로 권회되는영구 자석형 모터.
- 제 1 항에 있어서,상기 회전자의 영구 자석은 반경방향으로 자화되는영구 자석형 모터.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000-153909 | 2000-05-25 | ||
JP2000153909A JP3691345B2 (ja) | 2000-05-25 | 2000-05-25 | 永久磁石型電動機 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010107641A KR20010107641A (ko) | 2001-12-07 |
KR100589817B1 true KR100589817B1 (ko) | 2006-06-14 |
Family
ID=18659083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020010028031A KR100589817B1 (ko) | 2000-05-25 | 2001-05-22 | 영구 자석형 모터 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6462452B2 (ko) |
JP (1) | JP3691345B2 (ko) |
KR (1) | KR100589817B1 (ko) |
DE (1) | DE10125005B4 (ko) |
FR (1) | FR2809547B1 (ko) |
Cited By (1)
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CA2430022A1 (en) * | 2000-11-27 | 2002-05-30 | Frank J. Fecera | Permanent magnet motor |
US6707209B2 (en) * | 2000-12-04 | 2004-03-16 | Emerson Electric Co. | Reduced cogging torque permanent magnet electric machine with rotor having offset sections |
US6597078B2 (en) | 2000-12-04 | 2003-07-22 | Emerson Electric Co. | Electric power steering system including a permanent magnet motor |
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JP2003032936A (ja) * | 2001-07-16 | 2003-01-31 | Matsushita Electric Ind Co Ltd | 電動機 |
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JP2004064927A (ja) * | 2002-07-30 | 2004-02-26 | Toyo Electric Mfg Co Ltd | 永久磁石形同期電動機の回転子構造 |
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JP4244299B2 (ja) * | 2003-03-12 | 2009-03-25 | 三菱電機株式会社 | 電動パワーステアリング装置用永久磁石型モータ |
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JP4089527B2 (ja) * | 2003-06-27 | 2008-05-28 | 三菱電機株式会社 | 永久磁石式回転電機 |
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US6940198B2 (en) | 2003-07-24 | 2005-09-06 | A. O. Smith Corporation | Brushless permanent magnet machine with reduced cogging and torque ripple and method of producing the same |
US6867525B2 (en) * | 2003-07-24 | 2005-03-15 | A.O. Smith Corporation | Brushless permanent magnet machine with axial modules of rotor magnetization skew and method of producing the same |
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JP2005168269A (ja) * | 2003-11-28 | 2005-06-23 | Kazuhiko Goto | 永久磁石型電動機のステータ鉄心 |
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JP4684677B2 (ja) * | 2005-02-18 | 2011-05-18 | 三菱電機株式会社 | 永久磁石型モータ、永久磁石型リニアモータ及びその製造方法 |
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KR102534232B1 (ko) * | 2017-09-28 | 2023-05-18 | 강도현 | 회전 전기기기 |
DE102017221030A1 (de) * | 2017-11-24 | 2019-05-29 | Zf Friedrichshafen Ag | Stabilisatoraktor mit einem Permanentmagnetmotor |
US10965176B2 (en) * | 2019-01-15 | 2021-03-30 | Mcmillan Electric Company | Electric motors with pole biasing |
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JP2023005548A (ja) * | 2021-06-29 | 2023-01-18 | 株式会社デンソー | 回転電機 |
FR3128074A1 (fr) | 2021-10-12 | 2023-04-14 | Nidec Psa Emotors | Stator de machine électrique tournante |
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- 2000-05-25 JP JP2000153909A patent/JP3691345B2/ja not_active Expired - Lifetime
-
2001
- 2001-04-05 US US09/826,105 patent/US6462452B2/en not_active Expired - Lifetime
- 2001-05-10 FR FR0106196A patent/FR2809547B1/fr not_active Expired - Lifetime
- 2001-05-22 DE DE10125005.3A patent/DE10125005B4/de not_active Expired - Lifetime
- 2001-05-22 KR KR1020010028031A patent/KR100589817B1/ko active IP Right Grant
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018044027A1 (ko) * | 2016-09-05 | 2018-03-08 | 엘지이노텍 주식회사 | 스테이터 및 이를 포함하는 모터 |
EP3509187A4 (en) * | 2016-09-05 | 2019-09-11 | LG Innotek Co., Ltd. | STATOR AND MOTOR COMPRISING IT |
Also Published As
Publication number | Publication date |
---|---|
JP3691345B2 (ja) | 2005-09-07 |
US20020003382A1 (en) | 2002-01-10 |
US6462452B2 (en) | 2002-10-08 |
JP2001339921A (ja) | 2001-12-07 |
KR20010107641A (ko) | 2001-12-07 |
DE10125005A1 (de) | 2001-12-06 |
DE10125005B4 (de) | 2018-07-12 |
FR2809547A1 (fr) | 2001-11-30 |
FR2809547B1 (fr) | 2005-09-09 |
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