研究生: |
李雅穎 Ya-ying Li |
---|---|
論文名稱: |
高效柔切式直流/交流變流器控制晶片 High Performance Controller for The Soft-Switching DC/AC Inverter |
指導教授: |
陳伯奇
Poki Chen |
口試委員: |
黃育賢
Yuh-shyan Hwang 羅有綱 Yu-kang Lo 陳建中 Jiann-jong Chen |
學位類別: |
碩士 Master |
系所名稱: |
電資學院 - 電子工程系 Department of Electronic and Computer Engineering |
論文出版年: | 2012 |
畢業學年度: | 100 |
語文別: | 中文 |
論文頁數: | 97 |
中文關鍵詞: | 柔性切換 、變流器 、串聯諧振 |
外文關鍵詞: | Soft switching, Inverter, Series resonant |
相關次數: | 點閱:425 下載:1 |
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本論文旨在研製一全橋變流器之控制晶片,以變頻調變之控制方式,使此全橋變流器可操作於柔性切換,藉此降低電路之切換損失。以本晶片之固定脈波調變訊號導通/截止時間的控制方式,搭配變流器串聯諧振的特性,此全橋變流器之四個功率開關可操作於零電流切換模式。此控制晶片最大特色為將控制電路積體化,以CMOS電路將原有之離散元件式控制電路取代,如此,原控制電路之面積可縮減至一顆IC之大小。
文中將闡述如何運用CMOS電路完成變流器之控制電路,配合一般全橋變流器之規格,本晶片可產生8k~200kHz之四組變頻控制訊號,且其責任週期可調整範圍為1μs~10μs。
The controller for Full-Bridge Series-Resonant Inverter (FB-SRI) is proposed. Using frequency modulation control method, the FB-SRI can operate at soft-switching mode, so the switching loss is reduced. The fixed on-time/off-time control signal combined with the characteristic of series-resonant circuits makes all the power switches of FB-SRI can operate at zero-current switching (ZCS) mode.
The most special feature of this chip is that it reduces the controller’s area by making all the control circuits on-chip. That is, the area of the controller can be narrow down to only one chip.
The realization of the controller will be discussed in detail. To fit for normal FB-SRI’s specification, the controller can produce four 8kHz ~ 200kHz frequency modulated signals, and the changeable range of their on-time/off-time is 1μs~ 10μs.
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