Optimal allocation for coupling device in an integrated energy system considering complex uncertainties of demand response

Wenxia Liu, Yuchen Huang, Zhengzhou Li, Yue Yang and Fang Yi

Energy, 2020, vol. 198, issue C

Abstract: The integrated energy system (IES) has received considerable attention worldwide recently, which can coordinate and optimize various types of energy. This paper proposes an optimal allocation method of IES considering flexible loads on the demand side. First, a model of price-based integrated demand response (IDR) is established, which is characterized by considering the uncertainties of aleatory and epistemic to evaluate the true contribution of IDR to IES. Then, the evidence theory and credibility level are introduced to deal with double uncertainties, and the load curve is optimized based on different electricity price schemes and interval probability. Next, combining optimal configuration and operation strategy of the equipment, a two-layer collaborative planning model is established to minimize the total cost, in where the optimal electricity price scheme is obtained by comparing their economy. Finally, the comparative analyses verify that: 1) IES reduces the total allocation cost by 3.99% than sub-supply system; 2) the cost can be further reduced by 7.81% based on IDR; 3) considering the uncertainty of IDR can reduce the risk of system operation with a slight increase in cost.

Keywords: Integrated energy system; Integrated demand response; Uncertainties; Planning (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (23)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:198:y:2020:i:c:s0360544220303868

DOI: 10.1016/j.energy.2020.117279

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