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相關文獻
- 配電饋線三相不平衡分析及改善策略之研究
- Effects of Changing Distribution Feeder Arrangement on the Unbalanced Operation of a Distribution System
- 應用靈敏度指標法於配電系統之虛功率補償
- 應用模糊推論法判斷配電系統網路饋線安全
- 配電系統規劃與分析之三相饋線模糊化模型推導與應用
- 配電饋線實際電容器規劃與損失分析系統之研究
- Shunt Capacitor Planning of Distribution System
- Analysis of Unbalance Effects on a Primary Feeder due to Distribution Transformer's Winding Connection
- 應用AM/FM/GIS支援配電系統重點用戶管理和饋線設備維護研究
- 配電線路損失統計網路化研究
頁籤選單縮合
題 名 | 配電饋線三相不平衡分析及改善策略之研究=Analysis and Improvement of Voltage and Current Unbalance Along a Distribution Feeder |
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作 者 | 陳在相; 張宏展; 成政田; 郭政謙; 吳忠吏; 黃維澤; 尹進忠; 邱清泉; 陳建和; 張揚銘; 林瑞晃; 吳俊德; 楊丙申; | 書刊名 | 台電工程月刊 |
卷 期 | 605 1999.01[民88.01] |
頁 次 | 頁1-23 |
分類號 | 448.3 |
關鍵詞 | 配電系統; 饋線; 不平衡; 最佳化演算法則; Power distribution system; Feeder; Unbalance; Optimization algorithms; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究計畫的主要目的在分析與改善因負載不平衡及因使用開 Y-開 △ 變壓器 所引起之配電饋線沿線電壓與電流的三相不平衡。臺電配電系統廣泛使用開Y-開 △ 變壓器 以同時供應單相和三相負載。由於開 Y- 開△變壓器的不對稱結構使得配電饋線沿線三相電 壓普遍呈不平衡狀態,因而導致饋線電流三相不平衡情形甚為嚴重。 這些電壓與電流的三相不平衡會產生額外的損失、導致馬達過熱、干擾通訊線路以及可能促 使保護電驛誤動作等,影響系統與連接於其上之用電設備之安全與效率頗鉅,因而獲得相關 人員的重視與關切。 本研究計劃提出多種最佳化演算法則,包含遺傳演算法在內,來改善饋線沿線的負載不衡。 臺電四條實際饋線之模擬結果顯示本研究所提出之理論與演算法則確實能改善饋線沿線電壓 與電流的三相不平衡問題。電壓與電流三相不平衡所造成的不良影響將因之而得以消弭或大 幅減輕。 |
英文摘要 | The major purpose of this research project is to analyze and improve the voltage and current unbalances along a distribution feeder due to the unbalanced loads connected to it, especially the loads supplying by the open wye-open delta transformer banks. The open wye-open delta transformer banks are widely used in Taipower's distribution system to supply single-phase and three-phase loads simultaneously. However, the asymmetrical structures of the open wye-open delta transformer banks will result in unbalanced three phase voltages along a feeder and consequently produce severely unbalanced feeder currents. These voltage and current unbalances may cause extra losses, communication interference, motor overheating, and malfunction of relays, which considerably affect the safety and efficiency of a distribution system and the equipment connected to it. Considerable attention has therefore been paid to this unbalance problem. Many optimization algorithms including the genetic algorithm were proposed to improve the load balancing along a feeder. The simulation results of four actual feeders of Taipower's distribution systems verified that the proposed algorithms can dramatically improve the voltage and current unbalances. The adverse effects of voltage unbalances on the distribution systems can therefore be excluded or at least be alleviated. |
本系統中英文摘要資訊取自各篇刊載內容。