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Student Number 88323009
Author Xiu-Yuon Qien(徐永清)
Author's Email Address No Public.
Statistics This thesis had been viewed 1935 times. Download 1831 times.
Department Mechanical Engineering
Year 2000
Semester 2
Degree Master
Type of Document Master's Thesis
Language zh-TW.Big5 Chinese
Title 大型電力變壓器之靜動態分析及安全評估
Date of Defense 2001-07-05
Page Count 92
Keyword
  • Bushing
  • Pressure vessel
  • Transformer
  • Abstract none
    Table of Content 摘要 --------------------------------------------------------I
    誌謝 -------------------------------------------------------II
    目錄 ------------------------------------------------------III
    圖目錄 -----------------------------------------------------VI
    表目錄 ------------------------------------------------------X
    一、緒論 ----------------------------------------------------1
    1.1 研究動機與背景 ------------------------------------------1
    1.2 研究方法回顧 --------------------------------------------2
    1.3 本文研究範疇 --------------------------------------------5
    二、理論基礎 ------------------------------------------------7
    2.1 壓力容器分析 --------------------------------------------7
    2.2 銲接結構之強度 -----------------------------------------10
    2.3 應變規原理 ---------------------------------------------13
    2.4 振動分析 -----------------------------------------------17
    2.5 ANSYS®數值分析理論 ------------------------------------19
    2.5.1 靜態分析 ---------------------------------------------19
    2.5.2 模態分析 ---------------------------------------------21
    2.5.3 暫態分析 ---------------------------------------------22
    三、靜態分析 -----------------------------------------------26
    3.1 壓力容器應變場量測實驗 ---------------------------------26
    3.1.1 不具加強肋之實驗規劃 ------------------------------26
    3.1.2 具加強肋之實驗規劃 --------------------------------29
    3.1.3 實驗步驟 ------------------------------------------33
    3.2 壓力容器應變分布量測實驗結果 ---------------------------33
    3.2.1未具加強肋應變測結果 ----------------------------------33
    3.2.2具加強肋應變量測結果 ----------------------------------34
    3.3 數值分析 ---------------------------------------------35
    3.3.1 不具加強肋壓力容器應變分析比對 ----------------------36
    3.3.2 具加強肋壓力容器應變分析比對 ------------------------39
    3.3.3 345kV變壓器之本體結構強度分析 -----------------------42
    四、動態分析 -----------------------------------------------44
    4.1 集中質法量動態分析 ------------------------------------44
    4.2 3D實體動態分析 ----------------------------------------49
    4.2.1 建立分析模型 -----------------------------------------50
    4.2.2 模態分析 ---------------------------------------------53
    4.2.3 共振分析 ---------------------------------------------55
    五、設計修改 -----------------------------------------------58
    5.1 變壓器本體結構輕局部量化設計----------------------------58
    5.1.1 設計變數 ------------------------------------------58
    5.1.2 安全評估 ------------------------------------------62
    5.2 變壓器套管與套管座自然頻率提升設計 ---------------------67
    5.2.1 修改參數 ------------------------------------------68
    5.2.2 設計修改之模態分析 ----------------------------------74
    5.2.3 設設修改之外力激振分析 ------------------------------76
    5.3 設計修改總結 -------------------------------------------80
    六、結論與建議 ---------------------------------------------81
    附錄 1 材料拉伸試驗 ----------------------------------------83
    附錄 2 集中質量法與實體之力矩差異 --------------------------86
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    Advisor
  • Min-Chun Pan(潘敏俊)
  • Files
  • 88323009.pdf
  • approve immediately
    Date of Submission 2001-07-05

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