A Q-Cube Framework of Reinforcement Learning Algorithm for Continuous Double Auction among Microgrids
2019
Decision-making of
microgridsin the condition of a dynamic uncertain
biddingenvironment has always been a significant subject of interest in the context of
energy markets. The emerging application of reinforcement learning algorithms in
energy marketsprovides solutions to this problem. In this paper, we investigate the potential of applying a
Q-learningalgorithm into a continuous
double auctionmechanism. By choosing a global supply and demand relationship as states and considering both
bidding priceand quantity as actions, a new
Q-learningarchitecture is proposed to better reflect personalized
biddingpreferences and response to
real-time marketconditions. The application of battery energy storage system performs an alternative form of
demand responseby exerting potential capacity. A Q-cube framework is designed to describe the
Q-valuedistribution iteration. Results from a case study on 14
microgridsin Guizhou Province, China indicate that the proposed Q-cube framework is capable of making rational
biddingdecisions and raising the
microgrids’ profits.
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