研究生: |
梁文炫 Wun-Syuan Liang |
---|---|
論文名稱: |
高效能電視電源供應器之研製 Design and Implementation of a Performance TV Power Supply |
指導教授: |
羅有綱
Yu-Kang Lo 邱煌仁 Huang-Jen Chiu |
口試委員: |
林長華
Chang-Hua Lin 歐勝源 Sheng -Yuan Ou |
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: | 2011 |
畢業學年度: | 99 |
語文別: | 中文 |
論文頁數: | 58 |
中文關鍵詞: | LED LCD電視 、功率因數修正 、串聯諧振轉換器 、零電壓切換 、同步整流. |
外文關鍵詞: | LED LCDTV, PFC, SRC, ZVS, synchronous rectifier. |
相關次數: | 點閱:220 下載:24 |
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本篇論文主要研製一適用於42吋以上的LED LCD電視的216瓦電源供應器,輸出規格如下,LED面板電源:24 V/8 A、主系統端電源:12 V/2 A。電源模組中使用主動式功率因數修正電路為前置穩壓器,以提高功率因數並減少輸入電流的總諧波失真率。DC-DC轉換器電路架構則為半橋式串聯諧振轉換器,配合零電壓切換與同步整流電路提高轉換效率。
This thesis presents a 216W power supply for 42 inches LED LCD TV . The output specifications of the presented power supply are 24 V/8 A for LED panel,and 12 V/2 A for main system. An active power factor corrector (PFC) is used to improve the input power factor (PF) and reduce the total harmonic distortion (THD) of the input current. A half-bridge series resonant converter (SRC) topology is adopted as the DC-DC conversion stage.
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