Reinforcement Learning for Selective Key Applications in Power Systems: Recent Advances and Future Challenges
It addresses operational challenges in power systems for grid operators and researchers, but is incremental as it synthesizes existing work.
This paper reviews reinforcement learning techniques for decision-making and control in power systems, focusing on applications like frequency regulation, voltage control, and energy management, and discusses challenges such as safety and scalability.
With large-scale integration of renewable generation and distributed energy resources, modern power systems are confronted with new operational challenges, such as growing complexity, increasing uncertainty, and aggravating volatility. Meanwhile, more and more data are becoming available owing to the widespread deployment of smart meters, smart sensors, and upgraded communication networks. As a result, data-driven control techniques, especially reinforcement learning (RL), have attracted surging attention in recent years. This paper provides a comprehensive review of various RL techniques and how they can be applied to decision-making and control in power systems. In particular, we select three key applications, i.e., frequency regulation, voltage control, and energy management, as examples to illustrate RL-based models and solutions. We then present the critical issues in the application of RL, i.e., safety, robustness, scalability, and data. Several potential future directions are discussed as well.