非對稱半橋式直流-直流功率轉換器之研製｜國立臺灣科技大學博碩士論文系統

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研究生：	林金成 Jing-cheng Lin
論文名稱：	非對稱半橋式直流-直流功率轉換器之研製 Development of Asymmetrical Half-Bridge DC-DC Power Converters
指導教授：	黃仲欽 Jonq-Chin Hwang
口試委員:	呂錦山 Ching-Shan Leu 葉勝年 Sheng-Nian Yeh 王順源 Shun-yuan Wang 郭鴻熹 Hung-hsi Kuo
學位類別：	碩士 Master
系所名稱：	電資學院 - 電機工程系 Department of Electrical Engineering
論文出版年：	2008
畢業學年度：	96
語文別：	中文
論文頁數：	87
中文關鍵詞：	非對稱半橋式直流-直流功率轉換器、零電壓切換、功率密度、整合型磁性元件、模擬軟體(SIMetrix/SIMPLIS)
外文關鍵詞：	asymmetrical half-bridge power converter, power density, SIMetrix/SIMPLIS
相關次數：	點閱：213 下載：14
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本文旨在研製非對稱半橋式之直流-直流功率轉換器。非對稱半橋式架構，具有零電壓切換、低功率級電晶體元件之耐壓及低變壓器匝數的特性。本文利用磁性材料幾何結構，將非對稱半橋式直流-直流功率轉換器中所使用的變壓器及電感等磁性元件，整合成單一磁性元件，縮小變壓器之體積及高度，作為提高輸出功率密度之直流-直流功率轉換器之用。
本文完成非對稱半橋式直流-直流功率轉換器之電力電路、整合變壓器及電感之磁性元件設計及控制電路之分析及製作。並採用電路模擬套裝軟體SIMetrix/SIMPLIS作電路之模擬，以驗證分析。本文已完成容量180W之直流-直流功率轉換器，輸入直流電壓範圍為240V至380V，輸出電壓為18V，整體效率為0.87，並由實測驗證設計之可行性。

This thesis is concerned with the development of an asymmetrical half-bridge dc-dc power converter. The proposed asymmetric half-bridge structure has the characteristics of zero-voltage switching, low breakdown voltage of power transistor and low turn ratio transformer. The geometric structure of magnetic materials is used to integrated transformers and inductors of asymmetrical half-bridge dc-dc power converters into a single magnetic component to reduce size and height, and thereby increasing the power density of dc-dc converter.
The thesis consists of the design and implement of the asymmetrical half-bridge dc-dc power converters, integrated transformers and inductors as well as the control circuits. The system is simulated by the software package SIMetrix/SIMPLIS to verify the analysis. An experimental system of 18V, 180W output power for input dc voltage ranging from 240V to 380V is built. The overall efficiency is 0.87.

中文摘要	I
英文摘要	II
誌    謝	III
目    錄	IV
符號說明	VI
第一章 緒論	1
1.1研究動機及目的	1
1.2文獻探討	1
1.3直流-直流功率轉換器之電路架構	2
1.4本文特色	3
1.5本文大綱	4
第二章 非對稱半橋式直流-直流 功率轉換器分析與模擬	5
2.1前言	5
2.2非對稱半橋式直流-直流功率轉換器之穩態分析	6
2.3非對稱半橋式直流-直流功率轉換器之轉態分析	19
2.4計算機軟體模擬及模擬結果	28
2.5結語	35
第三章 整合型磁性元件及功率級開關 元件分析與設計	36
3.1前言	36
3.2整合型磁性元件結構分析與設計	36
3.2.1磁性元件之交流磁通密度	36
3.2.2磁性元件之直流磁通密度	37
3.2.3磁性元件鐵心截面積 (core section)	45
3.2.4磁性元件鐵心之空氣間隙(air gap)	45
3.2.5磁性元件可用繞線面積(core windows area)	47
3.2.6整合型磁性元件設計	48
3.3功率級開關元件之分析	49
3.4結語	60
第四章 實體製作與實測	61
4.1前言	61
4.2電力電路	61
4.3整合型磁性元件之實體製作	61
4.4閘極驅動電路及死區時間（dead-time）調整電路	63
4.5電壓回授補償電路及電壓閉迴路控制電路	64
4.6實測結果	68
4.7結語	79
第五章 結論與建議	80
5.1結論	80
5.2建議	81
參考文獻	82
附錄 A 規格及電路參數	84
附錄 B 實際電路圖	86
作者簡介	87

                                

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