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題 名 | Shunt Capacitor Planning of Distribution System=配電系統並聯電容器規畫 |
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作 者 | 卓明遠; | 書刊名 | 高雄工商專校學報 |
卷 期 | 26 1996.12[民85.12] |
頁 次 | 頁83-103 |
分類號 | 448.3 |
關鍵詞 | 配電系統; 並聯電容器規畫; 簡化饋線模型; Distribution system; Shunt capacitor planning; Simplified feeder model; |
語 文 | 英文(English) |
中文摘要 | 本文提出一實用並聯電容器規畫策略以降低損失與改善配電饋線電壓。首先利用 非線性整數規畫建立數學模式以推導最佳電容器裝置容量與位置,其目標函數包含尖峰負載 損失、能量損失與電容器裝置成本,而限制條件則包含電壓大小與實際電容器裝置容量。再 者利用簡化饋線模型推導分岐線之等效電路以提高分析效率。根據每日饋線負載曲線此實用 並聯電容器規畫策略可推求出固定型與可切型電容器之裝置容量、位置與運轉時間。 為驗證本文方法之實用性與效果,本文選擇臺電高雄區處實際饋線進行電腦模擬。與臺電現 行之規畫方法比較得知,本文所提出之方法可獲得較佳之虛功補償效果。 |
英文摘要 | A practical capacitor planning strategy to reduce system resistive losses and improve voltage profile for distribution feeders has been proposed in this paper. At first, the capacitor design method by applying nonlinear programming technique is formulated to derive the optimum size and installation location of shunt capacitor banks as the evaluation reference. The objective function is consisted of peak load loss, energy loss, and capacitor cost, while the operation constraints such as bus voltage profile and discrete capacitor size are considered throughout overall solution procedure. The simplified feeded model has been developed to derive the equivalent circuit of lateral branches so that the capacitor planning can be focused on the primary feeder only. According to the typical daily load duration curve of the study feeder, the practical capacitor planning by considering both fixed and switched type capacitors are developed to determine the proper size, location, and switched time of capacitors. To demonstrate the effectiveness of the proposed method, one practical feeder in Taipower distribution system is selected for computer simulation. The real power loss and the voltage profile are solved and the operation efficiency of the study feeder is determined to estimate the cost benefit of the proposed capacitor planning strategy. As compared with the present strategy adopted by Taipower for reactive power compensation, it is found that the proposed method does provide more efficient and practical tool for distribution engineers to achieve better reactive power control and planning. |
本系統中英文摘要資訊取自各篇刊載內容。