Optimization of Integrated Energy System with Joint Operation of Flexible Equipment Considering Reward-Penalty Carbon Trading

doi:10.16183/j.cnki.jsjtu.2024.291

Abstract

Abstract:

To address high carbon emissions in integrated energy systems (IESs) and under-utilized low-carbon potential of hydrogen, flexible devices such as power to gas (P2G), carbon capture, utilization and storage (CCUS), and hydrogen-doped gas equipment (HDGE) are introduced. An optimal dispatch model for IES with joint operation of P2G-CCUS-HDGE considering reward-penalty carbon trading is proposed. First, a P2G-CCUS-HDGE joint operation model is built, considering a dynamic hydrogen-doped ratio operation mode. Next, a reward-penalty stepped carbon trading mechanism is introduced to limit carbon emissions. Then, an optimization dispatch model is established considering relevant constraints and solved using Gurobi solver with the goal of minimizing the total operational cost. Finally, the proposed dispatch model is verified to reduce total costs, decrease carbon emissions, and improve renewable energy consumption via multiple scenario comparison. Additionally, the impact of different hydrogen-doped ratios and carbon trading parameters on the economy and low-carbon performance of the system is explored, providing insights into the low-carbon economic dispatch of IESs.

Key words: integrated energy system (IES), power to gas (P2G), carbon capture, utilization and storage (CCUS), hydrogen-doped gas equipment (HDGE), reward-penalty carbon trading

CLC Number:

TM732

ZHOU Yongwang, XU Cancheng, CAI Zhengtong, ZHAO Zhuoli, NI Qiang. Optimization of Integrated Energy System with Joint Operation of Flexible Equipment Considering Reward-Penalty Carbon Trading[J]. Journal of Shanghai Jiao Tong University, 2026, 60(4): 617-627.

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场景	CO₂ 排放量/t	总成本/ 万元	运维成本/ 万元	碳交易成本/万元	碳封存成本/万元	购气成本/ 万元	购电成本/ 万元	外购CO₂ 成本/万元	弃电成本/ 万元
1	2283.12	571.24	52.91	18.56	0	466.31	3.48	13.95	16.03
2	1625.80	596.31	48.29	-27.98	42	467.50	6.64	0	59.87
3	1652.09	514.24	53.89	-46.51	14	470.76	9.63	0	12.47
4	1254.80	505.00	51.86	-68.96	42	463.10	10.46	0	6.53

场景	CHP掺氢比	GB掺氢比
3	0	0
5	15	10
6	0~20	0~20

场景	CO₂排放量/t	总成本/ 万元	运维成本/ 万元	碳交易成本/万元	碳封存成本/万元	购气成本/ 万元	购电成本/ 万元	弃电成本/ 万元
3	1652.09	514.24	53.89	-46.51	14	470.76	9.63	12.47
5	1218.63	505.01	55.39	-83.73	42	469.36	10.96	11.03
6	981.50	483.98	54.03	-99.25	42	463.81	12.05	11.33

场景	CHP热出力	CHP电出力	GB热出力	EB能耗	P2H能耗
3	4369.65	3485.32	2057.86	781.92	1682.00
5	4543.20	3546.98	2073.75	555.69	2069.57
6	4407.81	3444.59	2066.93	671.54	1795.89

场景	CO₂排放/t	CO₂配额/t	CO₂捕获量/t	P2G耗电功率/MW	总成本/万元	碳交易成本/万元	购气成本/万元
4	1254.80	2050.80	436.66	1569.68	505.00	-68.96	463.10
7	1319.24	1821.46	388.59	1500.89	524.82	-44.94	465.40
8	1585.29	1518.62	392.72	1428.83	549.75	4.27	454.06
9	1962.30	0	367.38	1411.51	571.76	0	500.09