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題名 | 最佳用戶參差率應用之研究 |
---|---|
作 者 | 蔡明堂; | 書刊名 | 正修學報 |
卷期 | 8 1995.07[民84.07] |
頁次 | 頁89-94 |
分類號 | 448.115 |
關鍵詞 | 負載模型; 最佳參差率; 線性規劃; Load pattern; Optimal diversity factor; Linear programming; |
語文 | 中文(Chinese) |
中文摘要 | 電力系統的配電結構相當複雜,其所供應的負載變動亦大,在配電系統中,每一 配電變壓器往往同時提供不同類型用戶用電,設備額定容量是依據這些用戶之用電尖峰而設 置,因此抑制尖峰負載將可改善餘裕容量,增加系統安全運轉。 本文中將利用現場量測所得各類型用戶之負載資料,推導各類型用戶的負載模型,並利用線 性規劃數學模式求得各類型用戶之最佳連接負載百分比。此外,並利用三相負載潮流程式, 驗證尖峰負載、最大不平衡百分比及損失,較傳統未規劃前有所改善。本文提出了一套可供 配電變壓器作負載連接參考之有效方式,以提高系統設備利用率,並可避免尖峰負載的衝擊 。 |
英文摘要 | A power system consists of many components with various capacity, and the behaviors of the daily load patterns usually can be served as a function of time. In a distribution system, each transformer has a different mixture of load ypes, and the peak load of these load types are dissimilar. The additional facilities, where are dependent on peak load of supplying customers will increase the investment for meeting load growth. The minimization of peak load may be desired to increase security by improving reverse margins. In this paper, the load patterns for various type of customers are determined from load survey result. By considering the peak load of various type of load coustomers at different time periods. a linear programming was used to derive th eutilization factor and diversity factor among the various load types. The accuracy of the three-phase load flow program was used to verify the proposed methodology on a practical feeder and the daily profiles of system loading, system unbalance, and system losses were solved with diversity demands. the optimal utility of a transformer, which serves mixture of various load type at different compositions will be obtained in this paper. |
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