Power System Stability Control for a Wind Farm Based on Adaptive Dynamic Programming
- 2 October 2014
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Smart Grid
- Vol. 6 (1), 166-177
- https://doi.org/10.1109/tsg.2014.2346740
Abstract
In this paper, a goal representation heuristic dynamic programming (GrHDP) based controller is developed for the doubly-fed induction generator based wind farm to improve the system transient stability under fault conditions. The proposed controller is based on adaptive dynamic programming (ADP) techniques to approximate the optimal control policy according to the interaction between the controller and the power plant. Compared to existing ADP approaches with one action network and one critic network, our GrHDP architecture introduces an additional network, i.e., the reference network, to form an internal goal/reward representation. This better mapping between the system state and the control action significantly improves the control performance. The effectiveness of the proposed approach is validated via two cases. The first case investigates a revised four-machine two-area system with high wind penetration and a static synchronous compensator. The second case is a practical size power system with wind farm in Liaoning Province in China. Detailed simulation analysis and comparative studies with traditional ADP approaches are presented to demonstrate the superior performance of our method.Keywords
Funding Information
- National Science Foundation (ECCS 1053717)
- Army Research Office (W911NF-12-1-0378)
- NSF-Deutsche Forschungsgemeinschaft Collaborative Research on Autonomous Learning under Supplement (CNS 1117314)
- National Natural Science Foundation of China (51228701)
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