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標題Title: Renewable Energy 再生能源
作者Authors: 沈琮憲
上傳單位Department: 機械工程系
上傳時間Date: 2016-6-17
上傳者Author: 沈琮憲
審核單位Department: 機械工程系
審核老師Teacher: 李友竹
檔案類型Categories: 課堂報告In-class Report
關鍵詞Keyword: solar energy , grid
摘要Abstract: Abstract


A new optimization method of the investment cost of a distribution grid supplied by photovoltaic (PV) sources. This method consists of determining the optimal grid cables cross sections and the optimal grid supply point (GSP) position, such that the sum of the joule losses and the cables investment costs are optimized. The determination of these parameters are performed by the programming of analytical equations using Matlab software, taking into account the influence of technical and economical requirements on the choice of the cables cross sections and the possibility of using several photovoltaic generators (PVG) with separated grids for spaced loads from a long distance, by optimizing the grouping loads combination. The obtained results show that: for a lowest global investment cost, the optimal GSP is referred to the minimum cost center (MCC), for the grid joule losses minimization, it can be in the minimum joule losses cost center (MJLCC); or in the center of the minimum investment cost of cables (CMICC) in the case of the cables investment cost minimization. The adoption of the optimal cross sections, the optimal PVGs (GSPs) number and their optimal positions achieve significant economic gains in terms of the investment cost.

摘要


太陽能光伏在配電網供應的投資成本上是一種比較優化的方法。該方法包括決定最佳電網電纜的橫截面和最優網格
供應點的位置,使得的焦耳損耗的總和和電纜投資成本
優化。這些參數的確定是通過分析編程執行利用Matlab軟體公式,在選擇電纜橫截面上,考慮到技術和經濟要求的影響,和使用幾個光電發生器(PVG)與從遠距離隔開負載分離網格的可能性,通過優化分組負載組合。所得到的結果表明:為一個最低全球投資成本,最優GSP被稱作最小成本中心,為網格焦耳損失最小化,它可以是在焦耳損失最低成本中心;或在電纜的最小的投資成本( CMICC )的電纜中的投資成本最小化的情況下。採用最佳橫截面,最佳PVGs ( GSP的)的數量和它們的最佳位置,在投資成本方面,實現顯著的經濟收益。


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