因用戶數量龐大,低壓用戶先進讀表基礎建設(Advanced
Meter Infrastructure, AMI)系統之建置,需要大量的投資成本,
因此在系統建置前,往往必須進行成本效益分析,以合理化
系統的建置投資。然而,分析過程中對許多參數的不同假設,
往往造成了不同的分析結果。為增加分析結果的可靠性,重要
參數的不確定性應在分析中被考慮,以降低系統建置風險。本
文介紹AMI系統在效益及風險分析所考慮的項目,並提出一
套AMI系統之建置風險評估模式,並以台灣的電力系統中建置
低壓用戶AMI系統為研究對象,對成本效益分析參數變動造成
的建置風險評估範例加以說明。
Due to huge investment costs required, cost-benefit analysis is an important and essential task before the decision of advanced meter infrastructure (AMI) system deployment. Since many parameters are need to be assumed in the analyses, different assumptions could cause variations in analysis results. In order to obtain reliable analysis results, uncertainties of critical parameters should be considered in the cost-benefit analysis for minimizing deployment risks. This paper describes possible benefits and risks of AMI system deployment and proposes a methodology for risk assessments. A practical AMI system planned for deploying in the Taiwan power system is used in this study. Results of risk analyses that consider possible variations in parameter assumptions in the cost-benefit analysis are presented and discussed.