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論文名稱 Title |
具功率控制及負載補償的SEPIC轉換器設計 SEPIC Converter Design with Power Regulation and Load Compensation |
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系所名稱 Department |
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畢業學年期 Year, semester |
語文別 Language |
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學位類別 Degree |
頁數 Number of pages |
60 |
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研究生 Author |
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指導教授 Advisor |
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召集委員 Convenor |
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口試委員 Advisory Committee |
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口試日期 Date of Exam |
2015-07-24 |
繳交日期 Date of Submission |
2015-08-06 |
關鍵字 Keywords |
功率因數修正、負載補償、功率調節、超音波換能器、換流器、SEPIC轉換器 load compensation, power factor correction, power regulation, ultrasonic transducer, inverter, SEPIC Converter |
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統計 Statistics |
本論文已被瀏覽 5721 次,被下載 734 次 The thesis/dissertation has been browsed 5721 times, has been downloaded 734 times. |
中文摘要 |
本論文將設計的SEPIC轉換器結合換流器應用於超音波噴塗系統,其中SEPIC轉換器提供一個可調整的直流鏈電壓給全橋式換流器。藉由調整輸出電壓,即可調節換流器的輸出功率。考量負載需要穩定的輸出功率以及對抗負載變動的能力。本文在SEPIC轉換器控制架構中加入功率的回饋控制以及前饋的負載補償。這樣一來即使發生負載變動,本文的控制架構也能提供穩定的輸出功率。實驗的結果也應證了SEPIC轉換器不僅有高功率因數,並且在負載變動下依然能有效的調節功率。 |
Abstract |
A SEPIC converter is designed in combination with an inverter to form a driving circuit of an ultrasonic transducer for the spray coating application. The SEPIC converter provides an adjustable DC output to an H-bridge inverter. By adjusting the DC output level, the output power of the inverter is thereby regulated. Considering the requirement of steady driving power and the possible changes in the transducer impedance, additional driving power feedback control and feedforward load compensation are included in the control scheme of the SEPIC converter, so that the resulting ultrasonic driver can maintain a constant driving power even under load variations. The experimental results confirm that the designed SEPIC converter not only has a high power factor, but also help regulate the driving power under a sudden change in load impedance. |
目次 Table of Contents |
誌 謝 ii 摘 要 iii Abstract iv 目 錄 v 圖目錄 vii 表目錄 ix 第 一 章 緒論 1 1.1 研究動機 1 1.2 超音波噴塗系統簡介 2 1.3 文獻回顧 4 1.4 論文貢獻 5 第 二 章 功率調節應用於超音波噴塗 6 2.1 電壓回饋控制 6 2.2 功率回饋控制 11 2.2.1功率估測器設計 11 2.2.2功率控制器設計 13 2.3 負載變動前饋補償器 14 2.4 控制力飽和回饋補償 19 第 三 章 硬體電路設計與系統整合 21 3.1 電源電路設計 21 3.2 驅動電路設計 22 3.3 輸出濾波器設計 24 3.4 回授電路設計 26 3.5 電路佈局與雜訊抑制 29 第 四 章 實現與量測 30 4.1 程式架構 30 4.2 性能量測 32 第 五 章 結論 39 參考文獻 40 附錄A SEPIC電源轉換器 43 附錄B 全橋式功率放大器 46 附錄C 功率因數修正 48 C.1 功率因數修正介紹 48 C.2 現行法規規範 49 |
參考文獻 References |
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