研究生: |
林韋丞 Wei-Cheng Lin |
---|---|
論文名稱: |
具最大功率追蹤之三階升壓型轉換器研製 Study and Implementation of Three-level Boost Converter with Maximum Power Point Tracking |
指導教授: |
謝耀慶
Yau-Ching Hsieh 邱煌仁 Huang-Jen Chiu 林景源 Jing-Yuan Lin |
口試委員: |
林長華
Chang-Hua 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: | 2016 |
畢業學年度: | 104 |
語文別: | 中文 |
論文頁數: | 76 |
中文關鍵詞: | 最大功率追蹤 、擾動觀察法 、三階升壓型轉換器 |
外文關鍵詞: | Maximum power point tracking, perturbation and observation method, three-level boost DC/DC converter |
相關次數: | 點閱:348 下載:10 |
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本論文主要研製一台應用於太陽光伏系統,具有最大功率追蹤控制的三階升壓型直流/直流轉換器,採用的演算法為擾動觀察法。最大功率追蹤使轉換器能夠在不同的日照強度及環境溫度下,準確操作在最大功率點上,達到最佳的發電效益。在高壓輸出的條件下,相較於傳統升壓型轉換器,本論文架構可使用較低耐壓的功率開關與較小體積的電感達成目標。
本論文所設計與實作之三階升壓型轉換器規格如下,寬範圍輸入電壓480V~700V、輸出電壓750V、最大轉換功率為5kW。最大功率追蹤法則是搭配TMS320F28035數位訊號處理器來實現,轉換器效率可達到98%以上。
This thesis aims to study and design a three-level boost DC/DC converter with maximum power point tracking (MPPT) control, which can be applied to solar photovoltaics. The perturbation and observation method (P&O) is adopted as the control algorithm. Converter can be operated precisely at the maximum power point in different irradiation condition and environmental temperature with MPPT control. Compared with the conventional boost converter, the studied converter topology has the advantages of low device stresses and small inductor.
A 5kW three-level boost converter with a wide range input voltage from 480V to 700V and high output voltage up to 750V was implemented. The MPPT control is realized by a digital signal processor (DSP) TMS320F28035. The efficiency of the prototype system can reach to 98%.
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