［英文演講］

• Topic：
  • Study on Cyber-Physical System for Validating Frequency/Voltage Regulation Strategies of Distribution-Level Battery Energy Storage Systems
  • 驗證配電級電池儲能系統頻率/電壓調節策略之虛實整合系統研究
• Speaker：
  • Department of Electrical and Mechanical Technology, National Changhua University of Education
  • 國立彰化師範大學人工智慧科技應用碩士學位學程 電機與機械科技學系 林韋辰助理教授
• Date：Friday, January 9, 2026, 2:00 PM - 3:00 PM
• Meeting Link: https://meet.google.com/fmi-gtvu-wev
• Abstract: 
  • As grid-connected battery energy storage systems (BESS) face saturation in the frequency regulation ancillary service market, their applications are increasingly expanding into the energy and other markets. Therefore, developing additional value-added functionalities for BESSs is crucial to enhancing their market competitiveness. This study proposes a hybrid control strategy that integrates frequency/watt and voltage/var regulation and validates its effectiveness in a distribution system through the proposed cyber physical system (CPS) framework. This research is based on a real BESS, which involves developing an energy management system with functionalities including controllers, a web-based interface, and support for the IEC 61850 communication standard. The hybrid control strategy combines automatic frequency control (AFC) ancillary services from Taiwan's energy trading platform with volt/var control to regulate frequency in the main grid and stabilize voltage in local grids. Given that the storage capacity of ancillary services participants is comparable to the capacity of a distribution feeder, volt/var control can significantly influence feeder power flows. Improper control may lead to voltage oscillations. To address these challenges, this research integrates a real BESS with the distribution system simulation software OpenDSS to perform CPS combining steady-state power flow analysis and real reactive power output. A reactive power compensation method based on a proportional-integral-derivative (PID) controller and voltage sensitivity factors is proposed to mitigate potential voltage oscillation issues arising from frequency/watt and voltage/var control strategies in distribution feeders. The outcomes of this study to provide critical references for multi-functional control strategies in grid-connected BESSs, contributing to government efforts in advancing renewable energy, BESS, and enhancing the performance and resilience of distribution grids.
  • 隨著併網型電池儲能系統在調頻輔助服務市場逐漸飽和，其應用逐步向能量市場及其他市場拓展。因此，開發儲能系統的額外附加價值成為提升市場競爭力的重要方向。本研究提出一種結合頻率/實功與電壓/虛功調節的混合控制策略，並透過所提出之虛實整合系統框架在配電系統中驗證其有效性。本研究基於一套實際儲能系統開發能源管理系統，其功能涵蓋控制器、網頁介面以及IEC 61850通訊標準。針對臺灣電力交易平台之自動頻率控制輔助服務，整合電壓/虛功控制達到混合控制策略，對主電網進行頻率調節，對區域電網進行電壓穩定控制。由於參與輔助服務的儲能容量可與一條配電饋線容量相當，其電壓/虛功控制將與饋電潮流相互影響，若控制不當會造成電壓震盪。本研究透過實際儲能系統與配電系統模擬軟體整合，進行虛擬之穩態潮流數值與實際實虛功輸出整合之協同模擬驗證，並以一種基於比例-積分-微分控制器和電壓靈敏因子的虛功補償方法來解決混合頻率/實功與電壓/虛功控制策略在配電饋線中可能引發的電壓震盪問題，並在各種情境下通過虛實整合系統測試。本研究成果可提供配電級儲能系統多元控制策略之重要參考，並有助於政府發展再生能源、儲能系統與提升配電網運轉效能與韌性。