本論文旨在評估併網型風-儲系統之電池儲能系統容量。選定適切電池儲能系統容量為建構風-儲系統之基本課題，因此，充分掌握影響併網型風-儲系統之電池儲能系統容量之主要因子至為重要，方能據以提出妥適且實用的容量評估方法，並藉以選定適切電池儲能系統容量，使併網型風-儲系統能安全、穩定運轉，有效抑低風力發電機間歇性發電對電網的衝擊，進而可大幅度提升風力發電系統的滲透率，營造永續能源政策的有利環境。
首先，彙整現行國內外風-儲系統之發展趨勢與併網規範，作為本論文研究之參考與立論基礎。接續，藉由商用套裝模擬軟體MATLAB/Simulink建立配電系統主要元件數學模型，且開發一套精確配電系統分析程式，藉以搭配最佳化分析軟體OPTIMUS，進行系統因子對風-儲系統併網容量之影響分析，從中找出影響較大之因子，俾進行整合性影響之模擬與分析。所提出之電池儲能系統容量評估方法，可產出簡明之圖表，藉此對運轉狀態具不確定性之發電系統，可迅速評估其電池儲能系統之安全設置容量；而對於可調度型發電系統，則可評估其電池儲能系統之最適設置容量。研究結果可供風-儲系統規劃、設計及運轉時之參考與應用。

This study aims to assess the capacity of battery energy storage system (BESS) for grid-interconnected wind-storage system. Selecting the suitable capacity of BESS is the basic issue for constructing the wind-storage system. Therefore, it is essential to completely grasp the main factors about influencing the capacity of BESS for grid-interconnected wind-storage system. Bringing up the proper and practical assessment method of capacity and selecting the suitable capacity of BESS make grid-interconnected wind-storage system operate safely and stably. It can effectively suppress the impact on the grid caused by the intermittent generation of wind turbines and greatly enhance the penetration of wind power generation system. Thus, it can create an advantageous environment for sustainable energy policy.
First of all, this study integrates and explores the framework of the current trends of wind-storage system and regulations of grid domestically and abroad, which can serve as the reference and foundation for this research. Besides, this study adopts the commercial software - MATLAB/Simulink to establish the mathematical model of major components for distributed system and develop a set of accurate analytical program for distributed system. In addition, the simulation integrates with optimal analytical software – OPTIMUS to facilitate that the system factors impact the installed capacity of wind-storage system. We can obtain the more sensitive system factors from the simulation to facilitate the analysis and simulation of comprehensive influence. The assessment method of capacity of BESS which this study brings up can produce succinct chart. It can quickly assess the safe installed capacity of BESS for the uncertain generation system while the most suitable installed capacity of BESS for the dispatchable generation system. The research results can serve as the reference and application for planning, designing and operating of grid-interconnected wind-storage system.

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