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關鍵詞： 電轉氣；碳捕集；氣- 熱- 電聯產；綜合需求響應；綜合能源系統

中圖分類號：F206 ；TM61 文獻標識碼：A 文章編號：1007-3175(2024)09-0006-10

Optimized Scheduling of Integrated Energy Systems

Considering Integrated Demand Response

ZHOU Xin-ying¹, ZHOU Tao², ZHANG Ye-ke¹, ZENG Lin-jun³, YU Tao⁴

（1 School of Electrical & Information Engineering, Changsha University of Science & Technology, Changsha 410114, China;

2 Hunan Power Exchange Center, Changsha 410002, China;

3 College of Energy and Power Engineering, Changsha University of Science & Technology, Changsha 410114, China;

4 State Grid Hunan Electric Power Company Limited Shaodong Power Supply Co., Ltd, Shaodong 422800, China）

Abstract: As a key component of integrated energy system (IES), combined heat and power (CHP) units are characterized by“heat to power”, which seriously affects IES’ability to absorb new energy and the economy of low-carbon operation. To solve this problem, this study introduced power-to-gas (P2G) and carbon capture and storage (CCS) devices, converted the CHP unit into a combined gas, heat and power (CGHP) unit, and introduced an organic Rankine cycle (ORC) to recycle the chemical heat in the P2G process. Meanwhile, the gas,heat and power operation characteristics of the CGHP unit were studied and analyzed, and the integrated demand response (IDR) mechanism was introduced on the load side to cooperate with the source-load CGHP system for source-load cooperative scheduling. Finally, the effectiveness of the proposed system model as well as the synergistic operation strategy in promoting the IES to consume new energy and reducing carbon emission and total operation cost was verified through simulation.

Key words: power-to-gas; carbon capture and storage; combined gas, heat and power; integrated demand response; integrated energy system

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