中原大學電機工程學系
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磁滯伸縮力變化於工業用變壓器之影響
指導老師: 李俊耀   組長:虞翔智   組員:馮珍琳、陳昭憲、賴長志、鄭皓
磁滯伸縮變化於軟磁性材料製作成的鐵芯,將其應用於變壓器裝置有著很大影響,其中包含了鐵芯損失、振動以及噪音等議題。因此,本研究主要提出兩種分析類型,第一項為容量500VA單相變壓器運轉於60Hz~3000Hz之間改變線圈繞線結構後所產生的電磁正負半匝效應的研究。第二項的研究主題為應用廣泛的台灣電力公司亭置式單向變壓器產品容量167kVA於鐵芯不同搭接組數排列的電磁特性變化的研究。本文首先以有限元素分析法(Finite Element Analysis,FEA),建立變壓器鐵芯的模型,針對於鐵芯受到交流激磁響應後,其鐵芯產生的磁通密度、磁力線與鐵損的分析。研究過程藉由模擬結果來觀察磁滯伸縮(Magnetostriction)變化(包含磁力線及磁通密度分佈情形),用來改善鐵芯的電磁響應,另外,實驗結果顯示,所量測鐵芯損失的電磁反應,將直接反應於鐵芯的振動與噪音響應,透過模擬與實驗結果的分析亦將於本研究當中一並被提出與分析。
Magnetostrictive changes made ​​into the core of soft magnetic materials, applied to the transformer device has a great impact, which contains the core loss, vibration and noise issues. Therefore, this study proposes two types of analysis, the first capacity 500VA single-phase transformer is operating at 60Hz to 3000Hz change the electromagnetic coil winding structure between the positive and negative half-turn effect. The second research theme widely Taiwan Power Company Pavilion mounted one-way transformer capacity 167kVA core lap group arranged electromagnetic properties change. Firstly, the finite element analysis (Finite Element Analysis, FEA), to create a model of the transformer core, for AC excitation response within the core by the magnetic flux density generated by its core, the magnetic lines of force and the iron loss. Research process by the simulation results to observe the change of the magnetostriction (Magnetostriction) (containing the magnetic lines of force and the magnetic flux density distribution) is used to improve the electromagnetic response of the core, in addition, the experimental results show that the measured core loss of the electromagnetic response will direct response to the vibration and noise response of the core, through simulation and experimental analysis of the results will also be among the proposed analysis.
我們決定將壓電陶瓷晶片和鞋子做結合。
   
 
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