摘要
本論文研究太陽光伏發電系統之設計規劃與成本效益分析。首先探討太陽光電模組與電力轉換器特性，接著以台電屏東佳冬饋線為研究對象，評估在不超過電壓變動率的最大裝置容量，在此饋線末端設置一499kW的太陽能光伏發電廠。依據該地位置與所選擇的太陽光電轉換器，設計最佳的陣列傾斜角度與模組串並聯數目，據此設計此一太陽光電廠的年發電量。接著根據現有躉購費率、裝置成本、貸款金額與利率、稅率等參數，以分析在此一案例的回收年限，並評估其是否符合經濟投資效益。
關鍵詞: 太陽光伏發電系統、電壓變動率、成本效益分析
Abstract
This paper presents the design and cost benefit analysis of a large-scale solar photovoltaic generation plant (PVGP). The operating characteristics of the PV module and PV inverter were first investigated. After that, a Taipower feeder at Pingtung was selected for the study. We conducted the maximum installation capacity analysis for PVGP without causing the voltage variation to exceed limits. A new PVGP with a capacity of 499 kWp was installed at the end terminal of the feeder. The best PV array angle of tilt, and the ideal series and parallel connections for PV modules were designed according to the installation site and the selected PV inverter. The cost analysis of the designed PVGP was executed for various parameters, such as wholesale price, installation cost, loan payment, loan interest and tariff. The payback year of the PVGP project was derived. Finally, the sensitivity analysis of various cost parameters on the payback year and net present value is also presented.
Keywords: Solar Photovoltaic Generation Plant, Voltage Variation, Cost Benefit Analysis