發明
中華民國
098122016
I 409611
太陽能電池最大功率追蹤方法
國立成功大學
2013/09/21
本技術之精髓在改善現有太陽能電池之最大功率追蹤法控制設計,與現有技術(如擾動與觀察法)運算邏輯之不同在於以二項次極值法,並在選擇三組PWM脈寬比時配合改良後的PWM脈寬調變演算方法,可迅速與穩定計算最大功率點所在位置,以提高太陽能電力轉換時之最大功率輸出。實作與驗證以工業等級即時控制器與訊號擷取放大設備,使得開發之運算法得以與自行製作之充電、降壓、功率驅動電路與馬達輸出相結合,並以模型船完成實作之驗證工作。本項技術藉由系統阻抗自動匹配,提升太陽能發電系統後段之功率輸出於系統最大值,未來可推廣至實際育樂型休閒行船舶使用;除此之外,各種太陽能發電系統也可藉由本項技術,使得太陽能電能功率輸出達到最高點,提升發電系統整體經濟效益。 The essence of this technology is to improve the maximum power point tracking method of a photovoltaic solar panel to date. When compared with current tracking methods such as the perturb and observe method, the photovoltaic system uses the quadratic polynomial with new duty shifting strategy to approach its maximum power point and thus it gives the optimum power output much faster than before. System integration is carried out by an industrial level real time controller and signal conditioners as well as the self-developed circuitry containing electric charger, buck converter, battery, power control unit and power load, and it has been successfully tested by an electrical powered model ship. The PV system having the novel tracking algorithm not only can provide a better power source for a leisure-type electric power vessel, but also it can be used in a stand-alone solar-cell system which maximizing its power generation and increasing its total power transformation efficiency.
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