JPWO2016117217A1 - 永久磁石式回転電機 - Google Patents
永久磁石式回転電機 Download PDFInfo
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- JPWO2016117217A1 JPWO2016117217A1 JP2016521812A JP2016521812A JPWO2016117217A1 JP WO2016117217 A1 JPWO2016117217 A1 JP WO2016117217A1 JP 2016521812 A JP2016521812 A JP 2016521812A JP 2016521812 A JP2016521812 A JP 2016521812A JP WO2016117217 A1 JPWO2016117217 A1 JP WO2016117217A1
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- 238000004804 winding Methods 0.000 claims abstract description 51
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 230000005284 excitation Effects 0.000 claims description 76
- 230000004907 flux Effects 0.000 claims description 59
- 230000001629 suppression Effects 0.000 description 21
- 238000004458 analytical method Methods 0.000 description 20
- 238000010586 diagram Methods 0.000 description 13
- 238000006243 chemical reaction Methods 0.000 description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 9
- 239000010949 copper Substances 0.000 description 9
- 238000001514 detection method Methods 0.000 description 8
- 230000007423 decrease Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
-
- 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
- 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
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
- H02P21/06—Rotor flux based control involving the use of rotor position or rotor speed sensors
-
- 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
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
- H02P25/22—Multiple windings; Windings for more than three phases
-
- 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
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
-
- 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
- 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
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
- H02P21/14—Estimation or adaptation of machine parameters, e.g. flux, current or voltage
- H02P21/141—Flux estimation
-
- 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
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/60—Controlling or determining the temperature of the motor or of the drive
- H02P29/66—Controlling or determining the temperature of the rotor
- H02P29/662—Controlling or determining the temperature of the rotor the rotor having permanent magnets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
Description
そのため、電磁加振力が回転電機の部品の共振周波数と一致する特定の回転数時に、電磁加振力が最小となる負のd軸電流で永久磁石式回転電機を駆動することができる。
図1は、この発明の実施の形態1に係る永久磁石式回転電機を駆動する駆動システムを示すブロック構成図である。図1において、この駆動システムは、永久磁石式回転電機1を駆動するためのものであって、バッテリ50、インバータ60および制御装置6を備えている。
そのため、電磁加振力が回転電機の部品の共振周波数と一致する特定の回転数時に、電磁加振力が最小となる負のd軸電流で永久磁石式回転電機を駆動することができる。
図20は、この発明の実施の形態2に係る永久磁石式回転電機の軸線方向に垂直な断面図である。図20に示した永久磁石式回転電機1は、30極36スロットの永久磁石式回転電機1である。図20において、ティース3は、テーパ形状となっており、巻線14が巻回されるスロットが互いに平行となっている。
図22は、この発明の実施の形態3に係る永久磁石式回転電機の軸線方向に垂直な断面図である。図22に示した永久磁石式回転電機1は、24極36スロットの永久磁石式回転電機1である。
Claims (8)
- 永久磁石を用いて界磁を形成する回転子と、前記回転子と空隙を介して対向する固定子と、を備えた永久磁石式回転電機であって、
前記固定子は、前記回転子側に突出したティースおよびコアバックを有し、
前記ティースは、巻線が巻回されたティース中央部と、前記回転子と対向し、かつ前記巻線が巻回されていないティース先端部と、前記ティース先端部と前記ティース中央部との間に形成され、周方向両側に突出したつばと、を含み、
永久磁石固定子側中心点と、前記永久磁石固定子側中心点から最も近い前記ティース先端部とを結ぶ直線と前記回転子表面との第1交点について、前記回転子の回転軸と前記第1交点とを結ぶ直線と、前記固定子内周面との第2交点から前記ティース先端部までの距離を半径とする円弧の外側に、前記つばが形成されている
永久磁石式回転電機。 - 前記つばの最小高さは、ティース中央部最小幅の1/2よりも小さい
請求項1に記載の永久磁石式回転電機。 - 前記回転子の極数をXとし、前記固定子のスロット数をYとした場合に、X:Y=6±1:6の関係が満たされる
請求項1または請求項2に記載の永久磁石式回転電機。 - 前記ティース先端部の電気角をTとした場合に、51°<T<122°が成立する
請求項1から請求項3までの何れか1項に記載の永久磁石式回転電機。 - 前記ティース先端部の電気角Tについて、79°<T<83°または111°<T<115°が成立する
請求項4に記載の永久磁石式回転電機。 - 前記ティースには、2組以上の互いに時間位相が異なる巻線が巻回されている
請求項1から請求項5までの何れか1項に記載の永久磁石式回転電機。 - 前記永久磁石は、前記回転子に埋め込まれている
請求項1から請求項6までの何れか1項に記載の永久磁石式回転電機。 - 前記巻線に通電される3相交流電流を、磁束方向のd軸電流とトルク方向のq軸電流とに変換するとともに、前記永久磁石の磁石温度に応じて、電磁加振力が最小となる負のd軸電流を、d軸電流指令として決定する制御装置によって駆動される
請求項1から請求項7までの何れか1項に記載の永久磁石式回転電機。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015008680 | 2015-01-20 | ||
JP2015008680 | 2015-01-20 | ||
PCT/JP2015/082413 WO2016117217A1 (ja) | 2015-01-20 | 2015-11-18 | 永久磁石式回転電機 |
Publications (2)
Publication Number | Publication Date |
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JP5985119B1 JP5985119B1 (ja) | 2016-09-06 |
JPWO2016117217A1 true JPWO2016117217A1 (ja) | 2017-04-27 |
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JP2016521812A Active JP5985119B1 (ja) | 2015-01-20 | 2015-11-18 | 永久磁石式回転電機 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10447096B2 (ja) |
JP (1) | JP5985119B1 (ja) |
CN (1) | CN107210629B (ja) |
DE (1) | DE112015006002T5 (ja) |
WO (1) | WO2016117217A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7022282B2 (ja) * | 2019-03-28 | 2022-02-18 | ダイキン工業株式会社 | 電動機およびそれを備えた電動機システム |
CN113454907A (zh) * | 2019-03-28 | 2021-09-28 | 株式会社爱信 | 旋转电机控制系统 |
JP6723410B1 (ja) * | 2019-04-15 | 2020-07-15 | 三菱電機株式会社 | 電力変換装置およびこれを用いた電動化車両 |
CN113765252B (zh) * | 2021-09-18 | 2023-09-05 | 广东美芝制冷设备有限公司 | 电机、压缩机及制冷设备 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4606640B2 (ja) * | 2001-05-08 | 2011-01-05 | 三菱電機株式会社 | 回転電機 |
JP3885732B2 (ja) | 2003-01-07 | 2007-02-28 | 日産自動車株式会社 | 永久磁石埋め込み同期モータ |
JP4574297B2 (ja) * | 2004-09-13 | 2010-11-04 | 日産自動車株式会社 | 回転電機のロータ |
DE102007030508B4 (de) | 2007-06-30 | 2014-10-16 | Schaeffler Technologies Gmbh & Co. Kg | Waschmaschinen-Direktantrieb |
JP5420006B2 (ja) * | 2012-03-22 | 2014-02-19 | 三菱電機株式会社 | 同期機制御装置 |
DE102013208335A1 (de) | 2013-05-07 | 2014-11-13 | Mahle International Gmbh | Motor und Verfahren zum Antreiben einer Pumpe |
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2015
- 2015-11-18 DE DE112015006002.2T patent/DE112015006002T5/de active Pending
- 2015-11-18 WO PCT/JP2015/082413 patent/WO2016117217A1/ja active Application Filing
- 2015-11-18 US US15/538,065 patent/US10447096B2/en active Active
- 2015-11-18 JP JP2016521812A patent/JP5985119B1/ja active Active
- 2015-11-18 CN CN201580073836.7A patent/CN107210629B/zh active Active
Also Published As
Publication number | Publication date |
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WO2016117217A1 (ja) | 2016-07-28 |
US20170346353A1 (en) | 2017-11-30 |
CN107210629A (zh) | 2017-09-26 |
DE112015006002T5 (de) | 2017-10-26 |
CN107210629B (zh) | 2019-04-12 |
US10447096B2 (en) | 2019-10-15 |
JP5985119B1 (ja) | 2016-09-06 |
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