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研究生:李長安
研究生(外文):Chang-An Lee
論文名稱:三相同步整流降壓式轉換器耦合電感分析與設計
論文名稱(外文):Design and Analysis of Three-Phase Synchronous Buck Converter Integrated with Coupled Inductor
指導教授:邱煌仁
指導教授(外文):Huang-Jen Chiu
口試委員:邱煌仁謝耀慶林景源黃仁宏
口試委員(外文):Huang-Jen ChiuYan-Ching HsiehJing-Yuan LinRen-Hong Huang
口試日期:2018-7-23
學位類別:碩士
校院名稱:國立臺灣科技大學
系所名稱:電子工程系
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:2018
畢業學年度:106
語文別:中文
論文頁數:77
中文關鍵詞:電壓漣波抑制耦合電感鐵芯 架構
外文關鍵詞:Coupled inductorPorportional-Resonanat ControllerNovel core structurePart divided windingFlux cacellation
相關次數:
  • 被引用被引用:0
  • 點閱點閱:195
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  • 下載下載:10
  • 收藏至我的研究室書目清單書目收藏:0
本文提出一個新型整合型三相交錯式耦合電感,採用比例諧振控制器的方式改善傳統控制方法抑制漣波的效果,加入此控制方法後可使得因逆變器所產生的低頻輸出電壓漣波,有效降低輸出側所映射回輸入側所產生的低頻輸出電壓漣波,比較傳統控制方式與比例諧振控制器差異。本文因應縮小電路體積及提高功率密度,以降低電路中所使用的輸出電容數量及容值,也提出縮小磁芯體積方式。本文採用對稱型耦合電感架構,此架構可使耦合電感在每一相都可獲得相同感量,利用鐵芯整合的方式大幅減少磁芯體積。文中解釋耦合電感與耦合係數k的對應關係,以及等效感量的影響。針對磁芯分析及優化部分,提出利用磁路模型進行耦合係數k的量化,再由以上構想設計出磁芯形狀,達成整合鐵芯體積縮小的需求。此外,為了降低鐵芯損耗,也提出增加漏感磁路的方式來優化鐵芯。最後利用磁模擬軟體Maxwell以及實驗驗證在切換頻率500 kHz、輸入電壓為370V和輸出功率為1000W的條件下,新型整合型三相交錯式耦合電感得到較小的低頻電壓漣波及較低的鐵芯損耗。
In this thesis, a new type of integerated three phase interleaved coupled inductor is proposed. In order to further optimize the performance of traditional voltage ripple reduction method, proportional-resonant controller is used. By applying the proportional-resonant controller into the buck converter, the low frequency output voltage ripple generated by inverter can be effectly improved. As the high power density is the trend of this industry, the volume of the magnetic core is reduced as the structure of inductors is symmetrical and integerated.This structure is able to make the inductance of the coupled inductor in every phase are even. The relationship between coupled inductor and k (oOupling coefficient) and the influence caused by equivalent inductance will be discussed. Finally, a switching frequency 500 kHz, input voltage 370V, output power 1000W there phase synchronous rectifier buck converter applied novel integerated three phase interleaved coupled inductor is built and verified by physical circuit experiment and magnetic simulation softare Mexwell.
摘 要 i
Abstract iv
誌 謝 v
目 錄 vi
表索引 x
第一章 緒論 1
1.1研究動機與目的 1
1.2論文內容大綱 3
第二章 低頻輸入電壓漣波抑制器之分析 5
2.1低頻輸入電壓漣波定義 5
2.2低頻輸出電壓漣波抑制器控制策略 6
2.2.1低頻輸出電壓漣波抑制器之種類與原理 6
2.2.2帶拒濾波器分析 7
2.2.3串聯式電壓漣波抑制降壓型轉換器控制方法 7
2.2.4 比例諧振控制器分析 8
2.3模擬驗證 9
第三章 三相降壓式同步整流耦合電感分析 11
3.1三相交錯式耦合電感數學模型 11
3.2穩態動作時序分析 13
3.2.1動作時序模式一(D < 33%) 14
3.2.2動作時序模式二( 33% ≤ D <66%) 19
3.2.3動作時序模式三(D ≥ 66%) 24
3.3穩態電感電流漣波量值與耦合方向關係之分析 29
3.4三相交錯式耦合電感等效磁路分析 37
第四章 整合型三相交錯式耦合電感形狀設計和磁路分析 41
4.1三相耦合電感形狀設計 41
4.2設計條件 41
4.3三相耦合電感設計 43
第五章 實驗量測結果 52
5.1實驗量測波形 52
5.2實驗量測數據 59
第六章 結論以及未來展望 61
6.1結論 61
6.2未來展望 62
參考文獻 63
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