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研究生:劉立洋
研究生(外文):Li-Yang Liu
論文名稱:非方向性電磁鋼片產品之數值化鐵損估算方法
論文名稱(外文):A Numerical Scheme for Iron Loss Estimation of theNon-oriented Electromagnetic Steel Products
指導教授:劉承宗劉承宗引用關係
指導教授(外文):Cheng-Tsung Liu
學位類別:碩士
校院名稱:國立中山大學
系所名稱:電機工程學系研究所
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2010
畢業學年度:99
語文別:中文
論文頁數:96
中文關鍵詞:鐵損愛波斯坦方圈磁滯模型
外文關鍵詞:iron lossEpstein FramePreisach model
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由於不同種類電機在結構與操作方式的差異,造成其內部磁通密度分布不均而有飽和的情形發生,因此在電機成品中鐵損的估算非常難以掌握。在一般電機的設計過程中,並不會去詳細的分析鐵損大小,而是採用粗略的公式計算,也因此造成電機實際鐵損值與預估值之間有著很大的差距。本研究即站在電磁鋼片供應者與電機設計者之間的角度,檢視傳統利用標準量測系統所製作之鐵損資料表不足之處,並配合本研究提出之改良磁路分析和數值愛波斯坦方圈,建立可適用於實際電機之鐵損估算資料表。研究中針對靜態之變壓器與旋轉運動之同步磁阻電動機,分別對其進行鐵損探測計算,再根據電磁分析結果,經由數值愛波斯坦方圈結合磁滯模型進行模擬,重新建立符合該電機構造下之鐵損資料表。基於前述所建立之資料與本研究之鐵損估算流程,在設計相同構造但不同容量大小之電機設備時,僅需要簡單的改良式磁路分析,再搭配重新建立之鐵損資料表,即能較為精確的估算鐵損大小,能夠有效率的選用電磁鋼片,減少製作成本與用料上的浪費。
With their various structures and operations, the operational magnetic flux densities inside those energy conversion mechanisms are non-uniformly distributed, hence large deviations are exhibited among the actual and the estimated values of iron losses in those electric machines. The available datasheets provided by the steel manufacturers derived from standard measurement systems can only cover some typical information, accuracies of applying these data for related machine performance evaluations at those operational conditions are always uncertain. To establish more convincing datasheet for the calculation of iron loss in machines, standing between the steel manufacturers and the electric machine designers, the application of improved magnetic circuits analysis and the numerical Epstein Frame is proposed. The static transformers and the rotary synchronous switched-reluctance motors will be thoroughly calculated for illustrations. Based on the aforementioned datasheets and the iron losses evaluation procedure, when designing the similar machines, the iron losses could be appropriately estimated, and more detailed information could be supplied.
目錄

頁次
中文摘要 I
英文摘要 II
目錄 III
圖目錄 V
表目錄 VIII
符號對照表 X

第一章 緒論 1
1-1 前言 1
1-2 研究背景與動機 4
1-3 研究目標與重點 7

第二章 磁滯模型與愛波斯坦方圈 8
2-1 鐵損概述 8
2-2 磁滯模型 12
2-2-1 磁滯模型介紹 12
2-2-2 Preisach model基本原理 13
2-2-3 Preisach model平面 15
2-3 愛波斯坦方圈 20
2-3-1 愛波斯坦方圈基本原理 20
2-3-2 電磁鋼片等級量測標準 24
2-3-3 數值化愛波斯坦方圈設計 26

第三章 內鐵型單相變壓器鐵損估算 29
3-1 有限元素分析法簡介 29
3-2 一般鐵損粗估方法 31
3-3 改良式磁路分析 36
3-4 數值化愛波斯坦方圈 43
3-5 非單一頻率電源輸入之變壓器鐵損估算 52
3-6 內鐵型單相變壓器鐵損估算流程 57

第四章 同步磁阻電動機鐵損估算 60
4-1 同步磁阻電動機鐵損估算 60
4-2 同步磁阻電動機鐵損估算流程 69

第五章 討論與結論 73

參考文獻 75

作者自述 80

參考文獻

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