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Deep Reinforcement Learning Based Unit Commitment Scheduling under Load and Wind Power Uncertainty
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DOI：10.1109/TSTE.2022.3226106.png)
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The intermittent nature of renewable energy sources and fluctuating electricity demand induce significant uncertainty that needs to be tackled with computationally efficient solution techniques to provide reliable and cost-effective generation schedules of power systems. In this work, we present a deep reinforcement learning (DRL) based approach for the day-ahead scheduling of generation resources under demand and wind power uncertainties. The proposed approach yields a causal policy relying only on historical uncertainty realizations and forecast data that is trained with an actor-critic-based reinforcement learning algorithm. Through safe exploration, the DRL-based approach guarantees a feasible commitment schedule without any operational constraint violations. We conduct computational experiments on the IEEE 39-bus and 118-bus test cases to demonstrate the effectiveness of the proposed solution strategy and improvement over existing approaches, including a deterministic approach with point forecasts and the stochastic dual dynamic integer programming method. The results show that the proposed approach enjoys superior performance in terms of computational efficiency and incurred operational costs, with significant reduction in penalty costs caused by insufficient net load supply than the deterministic approach.
Keyword:
Uncertainty
Generators
Costs
Wind power generation
Programming
Wind forecasting
Power systems
Unit commitment
deep reinforcement learning
safe exploration
renewable energy sources
期刊
IF:
5.4
论文数:
6.8K
被引数:
1.5W
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Deep Learning Based Distributionally Robust Joint Chance Constrained Economic Dispatch Under Wind Power Uncertainty风电不确定性下基于深度学习的分布式鲁棒联合机会约束经济调度
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