由於太陽能電池輸出功率會受日照強度及環境溫度的影響而有所改變，使得太陽能電池並非隨時都操作在最大功率點上，導致許多能源的浪費。為了讓太陽能電池能夠隨時都操作在最大功率輸出，達到最佳的發電效益，本論文以TMS320F28035數位信號處理器為基礎，研製一台應用於高壓光伏陣列之5 kW最大功率追蹤升壓型直流/直流轉換器，其演算法採用擾動觀察法，並設計多組輸出輔助電源供給週邊電路，最後經由實作測試與結果驗證此系統的可行性。

Owing to the output power of a solar cell varies with illumination strength and environmental temperature, the solar cell usually cannot operate at the maximum power point all the time. Therefore, a lot of energy is wasted. In order to operate the solar cell at maximum power point at anytime and to achieve optimized electricity generation efficiency, this thesis studies and implements a 5-kW DC/DC boost converter with maximum power point tracking function for high-voltage photovoltaic arrays based on a digital signal processor (DSP), TMS320F28035. The perturbation and observation method (P&O) is adopted as the control algorithm. An multi-output auxiliary power supply is designed to provide energy for the peripheral circuits. Finally, the feasibility of the presented system is verified by the tests and the experimental results.

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