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研究生:陳坤志
研究生(外文):Kuen-Jyh Chen
論文名稱:自耦變壓器移相式之十二脈波相位控制交直流轉換器分析
論文名稱(外文):Analysis of 12 Pulse Phase Control AC/DC Converter with Autotransformer Phase Shift
指導教授:陳建富陳建富引用關係梁從主
指導教授(外文):Jiann-Fuh ChenTsorng-Juu Liang
學位類別:碩士
校院名稱:國立成功大學
系所名稱:電機工程學系
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:1999
畢業學年度:87
語文別:中文
論文頁數:78
中文關鍵詞:自耦變壓器十二脈波交直流轉換器
外文關鍵詞:autotransformer12-pulse AC/DC converter
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本文主要探討自耦變壓器移相式之十二脈波相位控制交直流轉換器所引起的不平衡電流狀態。多脈波交直流轉換器具有抑制輸入電流諧波及減低直流輸出電壓漣波振幅的特點。以Δ-Y型變壓器組成之十二脈波交直流轉換器,沒有不平衡電流問題。而自耦變壓器型十二脈波交直流轉換器,自耦變壓器比Δ-Y型隔離變壓器有較小的體積、低損失及效率高,容量約僅Δ-Y型變壓器20%。然而其兩組電壓相位及振幅因非理想之自耦變壓器的負載效應而改變,造成電流不平衡。本文利用電路模擬軟體IsSpice來模擬自耦變壓器型十二脈波交直流轉換器,進而分析其不平衡之原因,最後,實際製作一組硬體電路,並設計一控制器控制電流平衡,經由實測結果來驗證其可行性。
In this thesis, the unbalanced current in the 12-pulse phase control AC/DC converters was studied. The 12-pulse D-Y type AC/DC converter will keep a balanced 30° phase shift at the low coupling coefficient condition. But an unbalanced current will be obtained in the 12-pulse autotransformer phase-shift AC/DC converter at the low autotransformer coupling coefficient condition. The theoretical analysis of the unbalanced current was presented and a feedback controller was designed to overcome this problem. Finally, a 3 KW 12-pulse AC/DC converter with autotransformer was implemented to perform and demonstrate the theoretical analysis.
目 錄
摘 要I
英文摘要II
誌 謝 III
目 錄IV
圖 表 目 錄VII
符 號 表XI
第一章緒論1
1-1研究動機與目的1
1-2研究方法2
1-3論文大綱3
第二章電力系統諧波探討4
2-1諧波值的定義4
2-2諧波的起因6
2-3諧波的影響8
2-4諧波的抑制9
第三章相位控制交直流轉換器特性分析10
3-1前言10
3-2單相相位控制交直流轉換器11
3-2-1輸出電流為定值的理想情況11
3-2-2實際單相閘流體轉換器13
3-3三相相位控制交直流轉換器14
3-3-1輸出電流為定值的理想情況14
3-3-2實際三相閘流體轉換器17
3-4十二脈波相位控制交直流轉換器18
3-4-1前言18
3-4-2 型變壓器之十二脈波相位控制轉換器20
3-4-2-1輸出電流為定值的理想情況20
3-4-2-2實際 型變壓器之十二脈波轉換器23
3-4-3自耦變壓器型十二脈波相位控制轉換器25
3-4-3-1輸出電流為定值的理想情況25
3-4-3-2實際自耦變壓器型十二脈波轉換器32
第四章自耦變壓器型十二脈波相位控制轉換器不平衡狀態分析36
4-1前言36
4-2 型變壓器十二脈波相位控制轉換器37
4-3自耦變壓器型之十二脈波相位控制轉換器42
第五章硬體製作與實驗結果54
5-1前言54
5-2系統規格與元件參數54
5-3控制器設計55
5-4實驗結果分析59
第六章結論與未來研究方向72
6-1結論72
6-2未來研究方向73
參考文獻74
作者簡介 77
參考文獻
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