Review of Challenges and Research Opportunities for Voltage Control in Smart Grids

Hongbin Sun, Qinglai Guo, Junjian Qi*, Venkataramana Ajjarapu, Richard Bravo, Joe Chow, Zhengshuo Li, Rohit Moghe, Ehsan Nasr-Azadani, Ujjwol Tamrakar, Glauco N. Taranto, Reinaldo Tonkoski, Gustavo Valverde, Qiuwei Wu, Guangya Yang

*Corresponding author for this work

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In this paper, we review the emerging challenges and research opportunities for voltage control in smart grids. For transmission grids, the voltage control for accommodating wind and solar power, fault-induced delayed voltage recovery (FIDVR), and measurement-based Théevenin equivalent for voltage stability analysis are reviewed. For distribution grids, the impact of high penetration of distributed energy resources (DER) is analyzed, typical control strategies are reviewed, and the challenges for local inverter Volt-Var control is discussed. In addition, the motivation, state-of-art, and future directions of the coordination of transmission system operators (TSO) and distribution system operators (DSO) are also thoroughly discussed.
Original languageEnglish
JournalIEEE Transactions on Power Systems
Issue number4
Pages (from-to)2790-2801
Number of pages11
Publication statusPublished - 2019


  • Coordination
  • Distributed energy resources (DER)
  • Distribution system operators (DSO)
  • Renewable
  • Solar
  • Transmission system (TSO)
  • Voltage control


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