基於材料性質出發之內藏式永磁同步電機優化設計

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研究生：	楊順宇 Yang, Shun-Yu
論文名稱：	基於材料性質出發之內藏式永磁同步電機優化設計 Optimal Design and Analysis of Internal Permanent Magnet Synchronous Motors Based on Material Properties
指導教授：	王培仁 Wang, Pei-Jen
口試委員:	茆尚勳徐勝均
學位類別：	碩士 Master
系所名稱：	工學院 - 動力機械工程學系 Department of Power Mechanical Engineering
論文出版年：	2024
畢業學年度：	112
語文別：	中文
論文頁數：	93
中文關鍵詞：	車用電機、內置式永磁同步電機、鈷鋼
外文關鍵詞：	Automotive Motor, IPM Motor, Cobalt Steel
相關次數：	點閱：51 下載：1
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自2020年來受疫情影響，各行各業都大受打擊，但是在這大環境裡，新能源電動車產業仍是蓬勃發展。電動車產業三電系統中最重要的驅動電機，自然成為學術暨產業界研究的重心。總而言之，電動車輛皆須藉由驅動電機將儲存電能轉化為推動車輛的機械能。故而如何適當地搭配車輛及驅動電機成為設計工程師的要務，驅動電機的動態性能更是決定電動車輛的運轉效率及里程的核心組件。
本論文針對內藏式永磁同步驅動電機進行研究及分析，實因此類電機已成為多數電動車輛的主要動力源。論文內容將以世上第一個大量生產的混和動力房車Toyota Prius驅動電機作為研究範例，討論設計參數及變更材料條件的影響。研究工具以商用電磁分析工程軟體分析為主，配合美國橡樹嶺國家實驗室的實驗數據予以驗證，並針對不同磁材料的規格及性質，研究各材料應用於鐵芯製作對驅動電機性能之影響。
最後，基於不同材料的電磁特性，透過商用軟體JMAG進行多參數最佳化，以優化範例電機的尺寸設計。我們合理探討V型和幅條式轉子對電機性能的影響。討論在不同材料下的力矩輸出能力、功率密度提升幅度及成本之間的相互關係。這些研究成果將有助於進一步提升電動車的性能與效率，推動電動車技術的發展與應用。

Since 2020, the pandemic has severely impacted various industries, but the electric vehicle (EV) industry has continued to thrive. Among EV components, the drive motor, crucial for converting electrical energy into mechanical energy, is a major research focus. Proper matching of vehicles and drive motors is vital, as motor performance determines EV efficiency and range.
This thesis studies interior permanent magnet synchronous drive motors, the primary power source for most EVs. Using the Toyota Prius motor as an example, it examines the impact of design parameters and material changes. The research employs commercial electromagnetic analysis software, verified by Oak Ridge National Laboratory data, to assess different magnetic materials' effects on motor performance.
Finally, multi-parameter optimization with JMAG software is used to optimize the motor's design, exploring the influence of V-shaped and bar-shaped rotors. The study discusses the relationships between torque output, power density, and cost under different materials. These findings aim to enhance EV performance and efficiency, promoting the development and application of EV technology.

摘要    II
ABSTRACT    III
致謝    IV
目　錄    V
圖目錄    VIII
表目錄    XIII
符號文字對照表    XIV
第一章 緒論    1
1-1 研究背景    1
1-2 研究目的    1
1-3 文獻回顧    2
1-3-1 車用馬達類型與比較    2
1-3-2 軟磁材料    6
1-3-3 轉子拓樸分析    9
第二章 理論與公式介紹    14
2-1 電磁學    14
2-1-1 安培定律    14
2-1-2 法拉第定律與冷次定律    15
2-1-3 勞倫茲力    16
2-1-4 馬克斯威爾方程式    16
2-2 電磁材料    17
2-2-1 軟磁性材料    18
2-2-2 硬磁性材料    19
2-3 電機設計與分析    21
2-3-1 槽極配    21
2-3-2 繞組類型    21
2-3-3 尺寸設計與伊森法則(Essen’s rule)    22
2-3-4 磁路分析    23
2-3-5 電機損失    24
2-3-6 電機等效電路與轉矩    25
第三章 範例電機分析結果    32
3-1 電磁分析軟體與有限元素法    32
3-1-1 靜磁場分析    33
3-1-2 渦電流分析    33
3-1-3 暫態分析    34
3-2 範例電機    34
3-2-1 範例電機詳細參數與磁路分析    35
3-2-2 範例電機電磁模擬分析與驗證    39
3-3 結語    42
第四章 電機設計優化    57
4-1 研究問題與問題分析    57
4-2 材料置換    57
4-3 優化流程與分析    60
4-3-1 優化方法    61
4-3-2 轉子優化    63
4-3-3 幅條式轉子比較    65
4-3-4 定子優化    66
4-3-5 優化前後比較與成本估算    66
4-4 結語    67
第五章 結論與未來工作    89
5-1 結論    89
5-2 未來研究方向與發展    90
參考文獻    91


                                

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