Multi-energy coordinated microgrid scheduling with integrated demand response for flexibility improvement

J.J. Chen, B.X. Qi, Z.K. Rong, K. Peng, Y.L. Zhao and X.H. Zhang

Energy, 2021, vol. 217, issue C

Abstract: Multi-energy supply system is under development with a variety of benefits for microgrid operation. In this paper, the coordinated scheduling and optimal operation strategy of coupled heat-power-gas (CHPG) microgrid are studied for flexibility improvement in consideration of implementing cogeneration technology and power to gas (P2G) technology. To enhance the operational flexibility of the CHPG in supplying multiple energy demands, an integrated demand response (IDR) model including power and gas demand response is developed by converting multiple energy sources into one another and changing the energy consumption pattern of customer under a given period. Whilst, the customer satisfaction is also taken into account in IDR model. Moreover, a credibility theory-based risk measure is presented for quantitatively assessing the randomness and fuzziness characteristics of uncertain wind power, and then we explore the balance between the operation cost and risk of microgrid with wind power integration. Case studies are undertaken on the CHPG microgrids considering IDR and uncertainty. Simulation results indicate that the proposed coordinated scheduling model and the optimal operation method are universal and effective over the entire multi-energy dispatching horizon.

Keywords: Coupled heat-power-gas; Integrated demand response; Flexibility improvement; Uncertain wind power; Customer satisfaction (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (40)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:217:y:2021:i:c:s0360544220324944

DOI: 10.1016/j.energy.2020.119387

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