本論文針對目前台灣地狹人稠，各地輸變電設備興建不易，其所衍生之電力系統傳輸問題相對複雜，為解決既有供電瓶頸問題，擬透過電力系統模擬程式PSS/E之分析探討，設計利用同步相量量測判斷系統是否分離(線路跳脫)，以遙控跳脫大潭電廠氣渦輪機組為控制方式的特殊保護系統(Special Protection System, 簡稱SPS)。分析資料係運用98年尖峰系統網路結構；首先進行故障電流與電力潮流分析，以作為穩定度分析之基礎；再模擬解決大潭電廠機組在各種不同發電量時，如遇大潭∼(竹工) ∼龍潭（南）紅、白線事故跳脫後發生機組暫態不穩定及161kV線路超載時，所需跳脫之機組數量及併用預先規劃好之斷路器設備。最後，依分析結果可供台電公司建置該區域特殊保護系統之參考，待設備建置完成後，可避免線路發生事故時造成相關輸變電設備嚴重超載及暫態不穩定問題。

This thesis focuses on the relatively complicated power transfer problems resulting from the difficulties in building up power system equipment in population centre in Taiwan . A Power System Simulator for Engineering (PSS/E) software package is employed to simulate and analyze for designing a Special Protection System (SPS) with the functions of remotely controlling and tripping the gas turbine units of DaTan Power Plant by using Synchronized Phasor Measurements to determine if the system is separate (transmission line trip) to resolve the bottleneck problem of power supply.
The power grid configurations and data used in this thesis are based on the peak load profile in year 2009. The first step is to perform analysis for fault current and power flow as the basis for stability analysis. Case studies are conducted to determine how many gas turbine units and closure of CB in DaTan Power Plant are needed at different power capacity status to be tripped to keep the system stable when encountering transit instability and overload of 161kV transmission line resulting from the outage accident of DaTan∼(ZhuGong) ∼LongTan 345kV (red and white) transmission line. Finally, the analysis results could be used as valuale references for Taipower to build up SPS for a specific geographic district. Once the SPS has been properly constructed, it can be used to resolve problems concerning overload of transmission line and transformer and transit instability incurred from circuit accidents.

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