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論文中文名稱:風力製冰與發電兩用機之機電整合與自動控制 [以論文名稱查詢館藏系統]
論文英文名稱:Electromechanical Integration and Autocontrol of the Wind Forced Chiller Integrated with Wind Generator [以論文名稱查詢館藏系統]
院校名稱:臺北科技大學
學院名稱:機電學院
系所名稱:製造科技研究所
畢業學年度:97
出版年度:98
中文姓名:蕭孟柯
英文姓名:Meng-Ke Hsiao
研究生學號:96568044
學位類別:碩士
語文別:中文
口試日期:2009-07-29
論文頁數:89
指導教授中文名:丁振卿
指導教授英文名:Chen-Ching Ting
口試委員中文名:楊台發;鐘清枝
口試委員英文名:Tai-Fa Young;Tsing-Tshih Tsung
中文關鍵詞:風力製冰自動控制風洞扭力計
英文關鍵詞:Wind Forced ChillerAutocontrolWind TunnelTorsional Dynamometer
論文中文摘要:本論文利用風力直接製冰,不採用風力發電再以電力驅動壓縮機製冰方式,
如此可免去兩次風力能與電能轉換時的損耗,增加風力能在製冰應用的效率,
並整合發電機來擷取不足以啟動壓縮機時的風能,以充分利用風力機所擷取的風能,提昇風力機之整體效率。
另外,邏輯控制系統的完成使風力製冰與發電兩用機進行自動切換,實驗結果得知,製冰系統在全風場時之效率約為3.9%,
而發電機在全風場時之效率約為0.05%。壓縮機效率偏低的原因有自製風力機葉片效率較低,及全風場計算時,
不足以啟動壓縮機時的風能也被計算進入所造成;而發電機則是因為未達最佳工作轉速使其發電效率偏低。

另外,為了解本風力機所使用的簡易折角葉片之擷取風能效率,本研究自行架設慢速風洞,
將等比例縮小之多葉簡易折角葉片置於風洞中進行測試,結果顯示,在低風速風場時,
45度折角葉片擁有較好的擷取風能效率10.2%,而本風力機葉片為35度折角,效率為8.6%。
為了解發電系統與製冰系統工作時所需之扭力,本研究也自行架設扭力計,量測出不同激磁大小對於發電機之啟動扭矩影響,
以及壓縮機之工作扭矩,使得本風力製冰與發電兩用機在未來系統最佳化以及變速系統的配置上有參考數據。
論文英文摘要:This paper developed a wind forced chiller to replace the
traditional refrigeration system. It avoids the energy loss during
two times energy conversion processes between wind energy and
electric energy. To enlarge working efficiency of the wind
machine, a generator is combined into the wind forced chiller to
build a dual system. The integrated wind generator can use the
wind energy, which is not strong enough to drive the wind forced
chiller effectively. An integrated programmable logic controller
(PLC) is applied in this wind forced dual system to drive the wind
forced chiller and the wind generator in terms of the rotational
speed separately. The results show that working efficiency of
windchiller is ca. 3.9% and generator is ca. 0.05% in the all
wind field. The low working efficiency of windchiller is due to
the lower working efficiency home-made wind machine and larger
working torque requirement of windchiller. The low working
efficiency of wind generator is due to the too slow rotational
speed.
Moreover, this research built a slow speed wind tunnel to
measure the working efficiency of the home-made wind machine. Size
reduction of the angular vanes in accordance with analogical
theorem were made for measurement. The results show that the
45 degree angular vane has the best working efficiency 10.2% and
the applied wind machine with 35 degree angular vane is 8.6%. A
torsional dynamometer is also built for determining the the torque
of the wind generator, which supports significant data for the
future system optimization.
論文目次:摘要 i
ABSTRACT iii
致謝 iv
目錄 vi
表目錄 vii
圖目錄 x
第一章 序論 1
1.1 研究背景 1
1.2 文獻回顧 2
1.3 研究動機及目的 6
第二章 基礎理論 7
2.1 PLC邏輯控制程式 7
2.2 發電系統 9
2.2.1 磁場的產生 9
2.2.2 鐵磁材料的磁化行為 10
2.2.3 法拉第定律 10
2.3 製冷系統 11
2.3.1 冷媒 12
2.3.2 壓縮機 13
2.3.3 冷凝器 13
2.3.4 蒸發器 14
2.3.5 膨脹閥 17
2.4 風洞 18
2.5 葉片擷取風能之效率 19
2.6 扭力計 21
第三章 實驗架設 23
3.1 風力機架設 23
3.1.1 風力機骨架 23
3.1.2 風力機葉片 24
3.2 製冷系統與發電裝置架設 25
3.3 整流器 26
3.4 PLC邏輯控制系統 29
3.5 風洞架設 33
3.5.1 測試區 33
3.5.2 整流段 35
3.5.3 收縮段 35
3.5.4 風扇 36
3.6 風力機葉片模型設計 36
3.7 扭力計 36
第四章 結果與討論 39
4.1 風力製冰與發電兩用機之技術探討 39
4.1.1 實驗風洞流場分析 39
4.1.2 自製扭力計的校正 46
4.1.3 簡易大扭力風力機之葉片影響效率量測 48
4.1.4 發電機與壓縮機工作扭力量測 58
4.2 風力製冰與發電兩用機之效率探討 65
4.2.1 風力製冰機的效率量測 65
4.2.2 風力發電機的效率量測 75
第五章 結論 81
第六章 未來展望 83
參考文獻 84
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