摘要
電力電子已廣泛地應用於各種高功率之產品，其中包括電熱控制、照明控制、電機控制、電源轉換器及高壓直流直系統等等，因此如何當轉換器在轉換的過程中仍然有好的轉換效率顯得格外重要。本論文中將說明所提出的硬切式高效率直流對直流的新型降-升壓式轉換器如何選擇零件，使得轉換器在操作於連續及不連續的情況下仍然有良好的轉換效率。其文章說明的內容包含了控制分析、電路組成、及輸入電壓36V轉換輸出高電壓60V實驗結果。此外，本論文所提出的新型降-升壓式轉換器裡的電路控制也可運用於其它轉換器上如降壓式轉換器、升壓式轉換器、反馳式轉換器等。另外在電路設計方面，則先以Ispice輔助軟體完成轉換器之電路模擬波形，之後再由模擬所得參考數據組合來完成實體電路組合與實測之顯示結果。 本文所提出的新型降-升壓式轉換器，它不但節省轉換器電路體積空間，且此新型降-升壓式轉換器不需用低壓降之線性穩壓器就能完成降-升壓模式。最後針對轉換器的操作原理以及參數的計算配合電腦模擬以及實作電路來驗證和探討，證實此電路能夠達到硬性切換的特性以及90%以上高的轉換效率。
並列摘要
Power electronics has been widely used in a variety of high-power products, including power heat control, lighting control, electric machinery control, power converters and HVDC systems, etc., so it’s important how to keep the conversion efficiency of the converter in the process of transformation. This thesis will explain how the hard switching high efficiency DC to DC Novel Buck-Boost Converter to choose the parts, making the converter have good effciency in CCM and DCM situation. The article includes the experimental results of control analysis, constitution of circuit and the input voltage 36V convert to the high voltage output 60V. In addition, the circuit control of A Novel Buck-Boost Converter can be used to the other converters, like buck-boost converter, boost converter and the flyback converter…ect. Also in circuit design, complete the circuit simulate wave with the Ispice, then to complete the measured results with the circuit combination reference data. This Novel Buck - Boost Converter, which not only save the size of the circuit converter, and it can be able to complete a buck-boost mode without LDO. Finally, according to the operating of the converter, the parameters of the calculation with the computer and circuit implementation, confirmed that this circuit can achieve a hard and fast switching characteristics and high conversion efficiency of more than 90%.