Article (Scientific journals)
Trajectory-Based Supplementary Damping Control for Power System Electromechanical Oscillations
Wang, Da; Glavic, Mevludin; Wehenkel, Louis
2014In IEEE Transactions on Power Systems, 29 (6), p. 2835-2845
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Keywords :
Supplementary damping control; reinforcement learning; model predictive control; extremely randomized trees
Abstract :
[en] This paper considers a trajectory-based approach to determine control signals superimposed to those of existing controllers so as to enhance the damping of electromechanical oscillations. This approach is framed as a discrete-time, multi-step optimization problem which can be solved by model-based and/or by learning-based methods. This paper proposes to apply a model-free tree-based batch mode Reinforcement Learning (RL) algorithm to perform such a supplementary damping control based only on information collected from observed trajectories of the power system. This RL-based supplementary damping control scheme is first implemented on a single generator and then several possibilities are investigated for extending it to multiple generators. Simulations are carried out on a 16-generators medium size power system model, where also possible benefits of combining this RL-based control with Model Predictive Control (MPC) are assessed.
Research center :
System and modeling, Montefiore institute
Disciplines :
Electrical & electronics engineering
Author, co-author :
Wang, Da ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Systèmes et modélisation
Glavic, Mevludin ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Smart grids
Wehenkel, Louis  ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Systèmes et modélisation
Language :
English
Title :
Trajectory-Based Supplementary Damping Control for Power System Electromechanical Oscillations
Publication date :
November 2014
Journal title :
IEEE Transactions on Power Systems
ISSN :
0885-8950
Publisher :
IEEE, Piscataway, United States - New Jersey
Volume :
29
Issue :
6
Pages :
2835-2845
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 27 March 2014

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