含有分散式電源之配電饋線重組研究

Study of Reconfiguration for the Distribution System with Distributed Generations

劉力誠(Le-Chang Liu)

指導教授 ： 李清吟

國立臺北科技大學/電資學院/電機工程系所/碩士(2008年)

https://doi.org/10.6841/NTUT.2008.00103

摘要

配電系統中有幾種操作的策略，其中之一即為「配電饋線重組」，其定義為藉由改變分段開關與連絡開關的狀態進而改變配電饋線的拓樸結構，然而近幾年來，由於分散式電源的應用，將使得饋線重組的問題變的更複雜。
分散式電源(Distributed Generation, DG)的裝置容量在未來的配電系統中，將會有逐漸昇高的趨勢，這意味著在配電網路的控制策略裡，必需整合愈來愈複雜的控制系統來控制與監督分散式電源的運轉。一般的配電系統具有輻射狀網路與單方向的電力潮流，而DG的運用使得配電系統具有區域迴路與雙方向的電力潮流。可以預期的，高數量的DG連接到電力系統中將會引起電力系統中操作與規劃上的問題。
為了驗證所提出的演算法之成效，本論文程式在Matlab7.0環境下執行，利用螞蟻系統與蟻拓演算法，在含有分散式電源的情形下，達成一33匯流排系統與一台電11.4kV系統之線路損失與負載平衡的幅射狀網路結構之最佳化。其結果顯示，在含有分散發電源的情形下進行饋線重組，其所得出的結果與比未含有分散式電源下執行饋線重組更能降低系統損失提升系統負載平衡度。由於本論文成功應用於台電一配電系統，其成果具實用性及可行性，頗有參考價值。

關鍵字

配電系統 ； 饋線重組 ； 分散式電源 ； 螞蟻系統 ； 蟻拓演算法

並列摘要

There are several operational schemes in power distribution systems, one of these operational schemes is 「distribution feeder reconfiguration」,which is defined as altering the topological structures of distribution feeders by changing the open and closed states of the sectionalizing and the tie switches. However, with the involving of distributed generations in power distribution systems, this increases the complexity of this problem.
The Distributed Generation (DG) capacity will increase considerably in the future power distribution networks, involving more and more complex control systems able to integrate DG supervision and control into network control schemes.
The conventional power distribution systems have radial networks and unidirectional power flows. With the advent of distributed generations however, the power distribution system have a locally looped network and bidirectional power flows. The problems of power system operation and planning schemes will be arised due to the incremented of distributed generations units to the distribution power system may cause some problems.
This thesis proposes a reconfiguration methodology based on a Ant Colony Algorithm (ACA), that aims at achieving the minimum power loss and increment load balance factor of radial distribution networks with distributed generations.
A 33-bus distribution system and a Tai-Power 11.4kV distribution system are selected for optimizing the configuration and to demonstrate the effectiveness of the proposed methodology for solving the optimal switching operation of distribution system, the simulation results had shown that lower system loss and better load balancing will be attained at a distribution system with DGs than without DG. Furthermore, the simulation results also satisfy and suitability reference merits of proposal method.

並列關鍵字

Distribution System ； Feeder Reconfiguration ； Distributed Generation ； Ant System ； Ant Colony Algorithm

參考文獻

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