本論文旨在開發一個適用於微型電網之狀態估測方法，並以行政院原子能委員會核能研究所之zone1放射型微型電網系統驗證其可行性與適用性。本論文所提出的狀態估測方法，係結合放射型網路可觀性、不良數據檢測與排除及電力潮流權重法三者來實現。所開發的微型電網狀態估測程式主要功能有：(一)可列出放射型微型網路系統的所有可觀性量測儀表組合；(二)能檢測出系統量測儀表的故障點，並將其排除及取代；(三)可計算出相較於量測儀表與常規電力潮流更為可靠之參數值。本研究期透過經濟、實用之狀態估測方法，提升微型電網系統的可控性與管理效能，因應智慧電網時代的來臨。

The main purpose of this thesis is to develop a state estimation method for microgrid systems. A radial microgrid zone1 system of power system of the Institute of Nuclear Energy Research was applied to verify its feasibility and applicability. The means of observability of a radial network, detection technique of bad data and weighting factors by power flow solutions are integrated in the proposed state estimation method. The state estimation program developed on the basis of the proposed method can list all combinations of meters for observing a radial microgrid, and determine failure meters and estimate their data. The calculated data by the state estimation program developed is more reliable and reasonable than those obtained by the conventional metering methods and power flow methods. The economical and practical state estimation method proposed by this thesis is to enhance the controllability and efficient management of a microgrid system. The results of this thesis are of value to develop a smart microgrid network in the near future.

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