- 學位論文
改善我國輸電線路損失之經濟與環境效益評估 –聯合減排機制方法學的發展與應用
The Assessment of Economic and Environmental Benefit of Line Loss Improvement – The Development and Application of Joint Crediting Mechanism Methodology
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摘要
我國對能源效率提升之作法皆著重在用戶端之效率改善，鮮少有談到輸電過程降低線路損失之具體措施。為此，本論文探討應用具有提升輸電容量特性之碳纖維鋁絞線(Aluminum Conductor Composite Core, ACCC﹚取代傳統使用之鋼心鋁線(Aluminum Conductor Steel Reinforced, ACSR)，探討其經濟及減排效益，並參考日本政府推動中的 「共同減量額度機制」(Jointing Credit Mechanism, JCM)，其中與蒙古簽署一項符合能源節約的輸電電網興建計畫(Installation of energy-saving transmission lines in the Mongolian Grid)之案例，此雙方合作之計畫內容與我國電力系統線路損失改善有異曲同工之妙，其方法學可資參考借鏡。 研究發現，當輸電線路利用率為40% 時，線損改善減碳量為10,007噸CO2/年；當利用率為25% 時，線損改善減碳量為3,915噸CO2/年，可知，利用率是影響減碳的關鍵因子。另，本研究設定不同折現率、利用率及電價情境，模擬分析線損改善投資之經濟可行的碳價水準，做為線損改善投資之參考。
關鍵字
線損並列摘要
Most practices to enhance the country's energy efficiency are focused on improving the efficiency of the end user, while there is rarely talked about specific measures to reduce transmission line loss. Therefore, this thesis discusses the application of a new developed conductor - Aluminum Conductor Composite Core (ACCC) to replace the traditional Aluminum Conductor Steel Reinforced (ACSR), and explores the economic and emission reduction effectiveness. Besides, this paper refers to a construction project conducted by the Japanese government to promote the jointing credit mechanism (JCM). In this project, installation of energy-saving transmission lines in the Mongolian grid was signed with Mongolian government to reduce the loss of line power system. The methodology used in the project can give some suggestion to this thesis, for both of them have same goal. The results of this paper can provide a useful reference for government authorities. The study found that when the transmission line utilization rate is 40% and 25%, the amount of carbon reduction is 10,007 tons and 3,915 tons CO2 / year respectively. It can be seen that utilization rate is a key factor in the impact of carbon reduction. Also, this study set different interest rates, utilization rates and pricing scenarios to simulate the economic investment viable carbon price level, which can use to evaluate line loss improvement.
並列關鍵字
ＪＣＭ參考文獻
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