JP4992391B2 - Pmモータの磁石渦電流損失解析方法 - Google Patents
Pmモータの磁石渦電流損失解析方法 Download PDFInfo
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- JP4992391B2 JP4992391B2 JP2006303531A JP2006303531A JP4992391B2 JP 4992391 B2 JP4992391 B2 JP 4992391B2 JP 2006303531 A JP2006303531 A JP 2006303531A JP 2006303531 A JP2006303531 A JP 2006303531A JP 4992391 B2 JP4992391 B2 JP 4992391B2
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- 238000004458 analytical method Methods 0.000 title claims description 27
- 238000004141 dimensional analysis Methods 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 30
- 230000004907 flux Effects 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 230000036962 time dependent Effects 0.000 claims description 2
- 238000004364 calculation method Methods 0.000 description 11
- 239000004020 conductor Substances 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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- 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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/82—Elements for improving aerodynamics
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- Control Of Electric Motors In General (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Description
前記コンピュータ処理は、
PMモータの2次元モデルのデータを作成しておくステップと、
前記2次元モデルのデータを用い、有限要素法による2次元磁場解析により、前記PMモータの磁石の渦電流を考慮することなく、該磁石内部の磁束密度の時間変化のデータを求めるステップと、
前記磁石内部の磁束密度の時間変化のデータを、磁石のみの3次元モデルに与えるステップと、
前記磁石3次元モデルの軸方向に一様な値として前記磁束密度の時間変化のデータを該磁石3次元モデルに与え、有限要素法により、該磁石の渦電流を考慮した3次元解析を行うステップと、
前記3次元解析により求められる磁石の渦電流密度の時間変化から、磁石渦電流損失密度を算出するステップと、
を有することを特徴とする。
Claims (4)
- PMモータの磁石渦電流損失を有限要素法によるコンピュータ処理で解析する方法であって、
前記コンピュータ処理は、
PMモータの2次元モデルのデータを作成しておくステップと、
前記2次元モデルのデータを用い、有限要素法による2次元磁場解析により、前記PMモータの磁石の渦電流を考慮することなく、該磁石内部の磁束密度の時間変化のデータを求めるステップと、
前記磁石内部の磁束密度の時間変化のデータを、磁石のみの3次元モデルに与えるステップと、
前記磁石3次元モデルの軸方向に一様な値として前記磁束密度の時間変化のデータを該磁石3次元モデルに与え、有限要素法により、該磁石の渦電流を考慮した3次元解析を行うステップと、
前記3次元解析により求められる磁石の渦電流密度の時間変化から、磁石渦電流損失密度を算出するステップと、
を有することを特徴とするPMモータの磁石渦電流損失解析方法。 - 前記3次元解析を行うステップは、前記磁石の渦電流による反磁界の影響を無視して該磁石のみの3次元解析を行うことを特徴とする請求項1に記載のPMモータの磁石渦電流損失解析方法。
- 前記3次元解析を行うステップは、前記磁石の渦電流による反磁界の影響を考慮して該磁石のみの3次元解析を行うことを特徴とする請求項1に記載のPMモータの磁石渦電流損失解析方法。
- 前記3次元解析を行うステップは、前記磁石のみの3次元モデルの境界面に境界要素法を用いることで、境界条件に制限されない無限遠の解析を行うことを特徴とする請求項1〜3のいずれか1項に記載のPMモータの磁石渦電流損失解析方法。
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JP2008123076A JP2008123076A (ja) | 2008-05-29 |
JP4992391B2 true JP4992391B2 (ja) | 2012-08-08 |
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Families Citing this family (4)
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JP5228730B2 (ja) * | 2008-09-17 | 2013-07-03 | 株式会社明電舎 | 永久磁石式モータの磁石内渦電流損失解析方法 |
JP6441661B2 (ja) * | 2014-12-18 | 2018-12-19 | 株式会社Jsol | 特性テーブル作成装置及びコンピュータプログラム |
CN105205234B (zh) * | 2015-09-09 | 2018-06-22 | 华北电力大学 | 一种交流电机的两项式分段变系数铁耗模型的构建方法 |
KR102235396B1 (ko) * | 2016-07-28 | 2021-04-02 | 현대일렉트릭앤에너지시스템(주) | 전동기 기동 특성 분석 방법 |
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JP2000268061A (ja) * | 1999-03-15 | 2000-09-29 | Mitsubishi Electric Corp | 電磁場解析方法およびその装置 |
JP2001133527A (ja) * | 1999-11-09 | 2001-05-18 | Nissan Motor Co Ltd | モータの磁場解析モデルおよび磁場解析方法 |
JP2002006009A (ja) * | 2000-06-16 | 2002-01-09 | Nissan Motor Co Ltd | モータ損失の解析方法及びその命令を格納した情報媒体 |
JP4683591B2 (ja) * | 2001-04-27 | 2011-05-18 | キヤノン株式会社 | 磁化分布算出装置および算出方法 |
JP2003141186A (ja) * | 2001-10-31 | 2003-05-16 | Canon Inc | モータ解析装置 |
JP4376546B2 (ja) * | 2002-12-18 | 2009-12-02 | 株式会社日立製作所 | 回転電機の磁界解析方法 |
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