本論文旨在探討區域電網規劃方案之評估方法。區域電網計畫的興辦，除在滿足未來負載需求，解除可預見的供電瓶頸外，尚有降低線路損失及提高供電可靠度與品質的功能與效益。滿足未來負載需求及解除可預見的供電瓶頸為區域電網計畫興辦的基本課題，其中可靠的中尺度中長期區域負載預測為首要且基礎的工作，其次則為逐年區域電網供電瓶頸的掌握，如此方能據以提出妥適、可行的規劃方案，滿足中長期區域負載的需求。進言之，各潛力規劃方案的可行性、興辦年期等之評估至為關鍵，始能據以按部就班進行區域電網工程的建設，獲致預期之效益。本文即在探究區域電網規劃方案之評估方法，期以系統性方法有效地評估出各潛力規劃方案的可行性及興辦年期，並得藉以評估其興辦之財務與經濟效益，做為區域電網規劃方案之決策基礎與依據。
首先，彙整國內外輸變電及區域電網規劃之方法、評估流程與技術發展趨勢，做為本論文研究之參考與立論基礎。續而，探討區域電網之特性，俾提出適用於區域電網特性之規劃方案評估方法與程序。本論文所提出之評估方法係在給定的評估年期及逐年負載預測值的基礎下，就潛力線路與潛力回線進行可行性及妥適興辦年期之評估，藉由圖脈理論(Graph Theory)與布林代數(Boolean Algebra)的運算，以系統性的方法找出區域電網的供電瓶頸及發生年期。所提出之潛力規劃方案評估方法，可快速產出妥適之區域電網規劃方案及相對應之興辦年期，可提供為電力公司區域電網規劃與可行性評估之參考與應用，有助於區域電網供電可靠度與品質之提升及營運效益之確保。

This study aims to explore the regional power transmission grid projects to set up their assessment method of planning. Other than satisfy load demand in the given future and removing the foreseeable bottlenecks, regional power transmission grid planning and establishment plays a more important role in reducing circuit losses and uplifting power supply reliability and quality. Satisfying the future load demand and removing the foreseeable bottlenecks is the basic issue for building up the regional power transmission grid. First, it is essential to find the reliable mesoscale mid long term load forecasting. Next, the bottlenecks of regional power transmission grid year after year need be grasp. Bringing up the proper and feasible assessment method of planning to satisfy the future load demand. Furthermore, it is essential to completely grasp the assessment about the feasibility and suitable construction period of potential transmission lines. Finally bringing up the planning project step by step to obtain the expected effect. This study aims to investigate the regional power transmission grid projects to set up their assessment method of planning. It can effectively assess each planning’s feasibility and construction period by systemic method and assess financial and economic effect of planning project to serve as the basic of decision and reference for regional power transmission grid planning.
First of all, this study integrates and explores the framework of the current trends of power transmission grid planning method, assessment process and technology development domestically and abroad, which can serve as the reference and foundation for this research. Besides, this study explores the characteristic of regional power transmission grid to establish the suitable assessment method of regional power transmission grid planning. The assessment method based on load forecasting in the given future to assess the feasibility and suitable construction period of potential transmission lines. In addition, the operation integrates with graph theory and Boolean algebra to find the bottlenecks of regional power transmission grid and appear years from the simulation of systemic method. The assessment method which this study brings up can quickly produce planning project of regional power transmission grid and corresponding construction period. The research results can serve as the reference and application for regional power transmission grid planning and feasibility assessment in the future. Besides, it can uplift power supply reliability and quality and assure the operational efficiency.

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