A simplified improved transactive control of air-conditioning demand response for determining room set-point temperature: Experimental studies

Chengyan Xiong, Zhe Sun, Qinglong Meng, Zeyang Li, Yingan Wei, Fan Zhao and Le Jiang

Applied Energy, 2022, vol. 323, issue C, No S030626192200842X

Abstract: At present, transactive control (TC) represents a novel demand response control method. As traditional TC strategies are incapable of determining the market-clearing price, the room set-point temperature cannot be calculated. Therefore, this study proposes a simplified improved transactive control (ITC) method for the demand response (DR) needs of air-conditioning systems. The relationship between the real-time electricity price and the user's bidding electricity price determines the set-point temperature of the ITC method. In addition to this, this method's control process is both simple and easy to implement. In order to test this method, the study conducted field experiments on a full-scale variable air volume air-conditioning platform. Four typical summer days were selected for the space cooling experiment. Of the four, three adopted the ITC strategy, while one adopted the conventional control strategy. Another typical four days were selected for the space heating experiment in winter, and all adopted the ITC strategy. Several conclusions are drawn after comparing the ITC strategy to the conventional control strategy. For one, after adopting the ITC strategy, the maximum energy consumption reduction and saving operating costs in the DR period reached 59.29% and 66.12%, respectively. Furthermore, the total energy consumption reduction was 7.49–13.72%, while the saving total operating costs were 6.19–30.80%. After adopting the ITC strategy, the room temperature of the air-conditioning room was closer to the acceptable indoor thermal comfort range than in the case of the conventional control strategy. Together, these results suggested that the ITC strategy is an efficient demand response method for air-conditioning systems.

Keywords: Demand response; Transactive control; Air-conditioning; Real-time electricity price (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (3)

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DOI: 10.1016/j.apenergy.2022.119521

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