我國的用電量於近年來皆呈穩定的成長，電力系統之裝置容量、尖峰負載及平均負載亦逐漸攀升，電能的使用儼然已經與民眾的日常生活息息相關。因此，以合理的價格，提供用戶連續且高品質之供電服務，實乃電業責無旁貸的努力目標。目前，台灣電力公司為兼顧投資成本及變電所供電可靠之要求，在變電所匯流排之規劃上，於22/11kV配電級系統大多採用單匯流排架構。惟變電所匯流排架構之規劃，在不同可靠度之需求下，仍有不同之匯流排架構可供配置選用，諸如：1-1/2斷路器匯流排、雙匯流排斷路器及單匯流排附連絡斷路器等。因此，對於重要之供電區域，可經由可靠度評估後，採用適當之配置方式。
有鑑於此，本論文首先依據台電公司現行配電變電所之饋線匯流排架構，並參考文獻之常見型態，以建構變電所匯流排架構之候選類型。其次，使用最小切集法計算各型匯流排架構之負載點可靠度指標。最後，運用預測性可靠度評估方法，進行不同匯流排架構之系統可靠度評估。藉由對變電所各型式匯流排之可靠度評估，本研究提供不同可靠度需求之匯流排型式建議，有利於電力公司未來規劃配電變電所之用。

Electricity consumption in Taiwan has stably grown in recent years. Also, power system installed capacity, peak load and average load have gradually escalated. The use of power seems to have been closely linked with people's daily lives. Therefore, providing continuous and high quality power service at a reasonable rate to the customers is the inevitable goal of the electric utilities. For the present, considering the investment cost and reliability requirement, Taiwan Power Company typically uses a single bus scheme at 22/11kV distribution systems. However, for a different level of reliability required, there are various candidate bus schemes available, such as the breaker and a-half scheme, double bus single breaker scheme and single bus scheme with tie circuit breaker, etc. Therefore, in the important area of electricity supply, the most suitable bus scheme can be determined via reliability assessment so that the reliability of the system can be increased.
In view of this, the various substation bus schemes currently adopted in the Taipower system and those frequently appeared in the literature are first referred to constitute the candidate bus schemes for reliability assessment. Secondly, the reliability indices of a load point for the candidate bus schemes are evaluated using the minimal cut set method. Finally, a predictive reliability assessment method is employed to assess the system reliability indices for different bus schemes. With a variety of reliability evaluation for substation bus schemes, this study can provide suitable bus scheme proposals for different level of reliability and hence will benefit the electric utilities in future distribution substation planning.

中文摘要 I
Abstract II
致謝 III
目錄 IV
符號索引 VI
圖目錄 VIII
表目錄 X
第一章　緒論 1
1.1研究背景與動機 1
1.2研究方法與目的 3
1.3內容大綱 4
第二章　饋線匯流排架構之調查與評估 5
2.1簡介 5
2.2配電變電所饋線匯流排架構之調查 7
2.3配電變電所饋線匯流排架構之評估 11
第三章　可靠度評估之方法介紹 17
3.1簡介 17
3.2變電所事故種類 19
3.3變電所故障模式 20
3.4可靠度指標 23
3.5負載點指標 25
3.6最小切集法 27
3.7歷史性可靠度評估方法 33
3.8建立預測性可靠度評估方法 34
第四章　饋線匯流排架構可靠度分析結果 43
4.1預測性可靠度評估方法實例分析與模擬結果 43
4.2混合型饋線匯流排架構之可靠度分析 47
4.3匯流排架構對應不同饋線數之可靠度分析 50
第五章　結論與未來展望 55
5.1結論 55
5.2未來發展方向 56
參考文獻 58
附錄A 饋線匯流排可靠度分析之輸出結果 60
附錄B 混合型饋線匯流排可靠度分析之輸出結果 66
附錄C 饋線匯流排可靠度分析之輸出結果(對應不同饋線數) 75

[1]台灣電力公司電力調度處網站，統計資料(2008)。
[2]台灣電力公司電力調度處網站，統計資料(2009)。
[3]Gönen, T., Electric Power Distribution System Engineering, New York, McGraw-Hill (1986).
[4]黃一峻，「變電所匯流排架構與一次配電系統型態之整合研究」，碩士論文，國立台灣科技大學電機所，台北(2002)。
[5]R. E. Brown and T. M. Taylor, “Modeling the Impact of Substations on Distribution Reliability,” IEEE Transactions on Power Systems, Vol. 14, No. 1, pp. 349-354(1999).
[6]R. N. Allan and J. R. Ochoa, “Modeling and Assessment of Station Originated Outages for Composite Systems Reliability Evaluation,”IEEE Transactions on Power Systems, Vol. 3, No. 1, pp. 158-165(1988).
[7]A. C. Dortolina, L. J. Porta, and R. Nadira, “An Approach For Explicitly Modeling the Protective Relaying System in Substation Reliability Evaluation Studies,” IEEE Transactions on Power Systems, Vol. 6, No. 4, pp.1373-1379(1991).
[8]M. S. Grover and R. Billinton, “A Computerized Approach to Substation and Switching Station Reliability Evaluation,” IEEE Transactions on Power Apparatus and Systems, Vol. PAS-93, pp. 1488-1497(1974).
[9]曹登發，「配電系統規劃之可靠度塑模研究」，博士論文，國立台灣科技大學電機所，台北(2003)。
[10]台灣電力公司輸電系統規劃準則(2008)。
[11]台灣電力公司電力調度處網站，系統簡介(2009)。
[12]台灣電力公司電力調度處網站，系統簡介(2008)。
[13]台灣電力公司配電系統規劃準則(2005)。
[14]Miguel Vega and Héctor G. Sarmiento,“Algorithm to Evaluate Substation Reliability With Cut and Path Sets,” IEEE Transactions On Industry Applications, Vol. 44, No. 6,pp.1851-1858(2008).
[15]IEEE Std 1366-2003, IEEE Guide for electric power distribution reliability indices.
[16]R. L. Chen, K. Allen and R. Billinton, “Value-Based Distribution Reliability Assessment and Planning,” IEEE Transactions on Power Delivery, Vol. 10, No. 1, pp. 241-249(1995).
[17]A. A. Chowdhury and D. O. Koval, “Value-Based Distribution System Reliability Planning,” IEEE Transactions on Industry Applications, Vol. 34, No. 1, pp. 23-29(1998).
[18]J. J. Meeuwsen and W. L. Kling, “Substation Reliability Evaluation including Switching Actions with Redundant Components,” IEEE Transactions on Power Delivery, Vol. 12, No. 4, pp. 1472-1479(1997).
[19]李居昇，「饋線結構改變法提高配電系統可靠度之研究」，碩士論文，國立中正大學電機所，嘉義(1994)。
[20]R. N. Allan, R. Billinton, and M. F. De Oliveira, “An Efficient Algorithm for Deducing the Minimal Cuts and Reliability Indices of a General Network Configuration,” IEEE Transactions on Reliability, Vol. R-25, No. 4, pp. 226-233 (1976).
[21]Teng-Fa Tsao and Hong-Chan Chang, “Composite Reliability Evaluation Model for Different Types of Distribution Systems,” IEEE Transactions on Power Systems, Vol. 18, No. 2, pp. 924–930 (2003).
[22]R. N. Allan, R. Billinton, and L. Goel, “A reliability test system for educational purpose-basic distribution system data and results,” IEEE Transactions on Power Systems, Vol. 6, No. 2, pp. 813–820 (1991).