OPTIMAL CONFIGURATION OF INTEGRATED ENERGY SYSTEMS CONSIDERING ENERGY GRADE DIFFERENCES AND DEMAND RESPONSE

Gao Hua; Wang Shenran; Wu Zichen; Zong Zhen; Liu Tongzhou

doi:10.19912/j.0254-0096.tynxb.2024-2017

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Acta Energiae Solaris Sinica ›› 2026, Vol. 47 ›› Issue (3) : 187-193. DOI: 10.19912/j.0254-0096.tynxb.2024-2017

OPTIMAL CONFIGURATION OF INTEGRATED ENERGY SYSTEMS CONSIDERING ENERGY GRADE DIFFERENCES AND DEMAND RESPONSE

Gao Hua¹, Wang Shenran¹, Wu Zichen¹, Zong Zhen¹, Liu Tongzhou²

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Abstract

In order to improve the energy and economic benefits of the integrated energy system （IES）, a two-stage optimal configuration method of the IES is proposed, which considers energy grade difference and the interaction between supply and demand. The first level combines the first and second laws of thermodynamics to optimize the rated capacity of renewable energy units, energy conversion and energy storage equipment with the objective of maximizing the system cost saving rate and exergy efficiency. At the second level, the demand response strategy is introduced to implement the cooperative optimization of source, storage and load, which aims to minimize the cost and energy consumption and determine the operation scheme of the system, and the differential evolution algorithm and nonlinear programming method are organically combined to solve the two-stage model. The simulation results show that the proposed method can improve the energy and economic performance of the IES while optimizing the system capacity.

Key words

renewable energy resources / optimization / integrated energy system / capacity configuration / demand response / exergy

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Gao Hua, Wang Shenran, Wu Zichen, Zong Zhen, Liu Tongzhou. OPTIMAL CONFIGURATION OF INTEGRATED ENERGY SYSTEMS CONSIDERING ENERGY GRADE DIFFERENCES AND DEMAND RESPONSE[J]. Acta Energiae Solaris Sinica. 2026, 47(3): 187-193 https://doi.org/10.19912/j.0254-0096.tynxb.2024-2017

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