OPTIMAL SCHEDULING OF INTEGRATED ENERGY SYSTEM WITH FLEXIBLE LOAD PARTICIPATION

Zhu Xiaoxun; Liu Zhantian; Xue Jinfei; Hu Ming; Han Zhonghe; Wu Di

doi:10.19912/j.0254-0096.tynxb.2022-0725

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Acta Energiae Solaris Sinica ›› 2023, Vol. 44 ›› Issue (9) : 29-38. DOI: 10.19912/j.0254-0096.tynxb.2022-0725

OPTIMAL SCHEDULING OF INTEGRATED ENERGY SYSTEM WITH FLEXIBLE LOAD PARTICIPATION

Zhu Xiaoxun^1,2, Liu Zhantian^1,2, Xue Jinfei^1,2, Hu Ming^1,2, Han Zhonghe^1,2, Wu Di^1,2

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Abstract

In order to improve the source-load matching degree and suppress the load fluctuation, this paper proposes an optimization scheduling model of integrated energy system taking into account the demand response load and the ground source heat pump output, and studies the influence of flexible load and ground source heat pump on the system under different scheduling sequence. Firstly, the optimization scheduling model of integrated energy system is established to optimize the output of each equipment in order to minimize the economic and environmental costs of the system. Secondly, on the basis of considering the uncertainty of the output of the new energy unit, the energy complementarity of the ground source heat pump is improved by using the characteristics of high conversion efficiency of the ground source heat pump and the energy complementarity is made to participate in the system scheduling as a kind of dispatchable resource. On the demand side, flexible loads are divided into transferable and reducable loads as schedulable resources to participate in scheduling and smooth the load curve. The results show that the economic and environmental benefits and source-load matching ability of the system can be effectively improved without considering the output order of the dispatchable resources.

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optimization scheduling / integrated energy system / mathematical models / ground source heat pump / flexible resources

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Zhu Xiaoxun, Liu Zhantian, Xue Jinfei, Hu Ming, Han Zhonghe, Wu Di. OPTIMAL SCHEDULING OF INTEGRATED ENERGY SYSTEM WITH FLEXIBLE LOAD PARTICIPATION[J]. Acta Energiae Solaris Sinica. 2023, 44(9): 29-38 https://doi.org/10.19912/j.0254-0096.tynxb.2022-0725

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