研究生: |
林京樺 Ching-hua Lin |
---|---|
論文名稱: |
高功率儀表用直流電源供應器之研製 Study and Implementation of a DC Power Supply for High-Power Instrument Applications |
指導教授: |
羅有綱
Yu-Kang Lo 邱煌仁 Huang-Jen Chiu |
口試委員: |
林忠義
Chung-Yi Lin |
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: | 2014 |
畢業學年度: | 102 |
語文別: | 中文 |
論文頁數: | 99 |
中文關鍵詞: | 交錯式功率因數修正器 、全橋串聯諧振轉換器 |
外文關鍵詞: | nterleaved boost PFC, full-bridge series resonant converter |
相關次數: | 點閱:621 下載:6 |
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本論文目的在於研究和設計一個高功率及高效率之直流電源供應器。電路前級採用兩相交錯式功率因數修正器,提高功率因數及降低輸入電流漣波。後級採用全橋串聯諧振轉換器,實現零電壓及零電流切換,減少開關元件應力,提高輸出效率,並具備輸出與輸入之間的電氣隔離。最後對實際設計的6kW電源供應器進行量測與分析,實驗結果證實,在輸入AC 380V的情況下,二級串接的整機滿載效率可達94%。
This thesis presents the study and design of a high-power and high-efficiency DC power supply. The front stage is a two-phase interleaved power factor correction (PFC) circuit to achieve high power factor and low input current ripple. The post stage is a full-bridge series resonant converter (FB-SRC) with zero-voltage switching (ZVS) and zero-current switching (ZCS). It can reduce the stress on the power switches, raise the efficiency and achieve electrical isolation between input and output. Finally, a 6-kW power supply is implemented and tested. The experimental results are shown to verify the feasibility of the proposed power supply. A 94% full-load efficiency is achieved by the cascaded two-stage circuit under AC 380V input voltage condition.
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