Intra-day multi-time scale rolling optimization scheduling of mine integrated energy system considering integrated demand response

doi:10.3969/j.issn.2097-0706.2025.03.007

Abstract

Abstract:

To address the challenges of high energy consumption， low resource utilization， and significant uncertainty in source-load demand in mining areas， this study established a mine integrated energy system （MIES） based on coal mines. The system incorporated a demand response mechanism and a multi-time scale rolling optimization strategy to enhance economic operational efficiency. Firstly， a refined integrated demand response model was constructed for power and thermal loads on the demand side to maximize the schedulability and flexibility of various loads in mining areas. Subsequently， integrating a multi-time scale optimization strategy， an intra-day multi-time scale optimization model was developed， aiming to minimize deviations from the day-ahead plan. The model set each optimization cycle to 4 h and performed optimization every 15 min， using this rolling optimization strategy to effectively adjust the day-ahead scheduling plan. Finally， simulations and comparative analyses of different case studies demonstrated the effectiveness of the integrated demand response and multi-time scale optimization strategies in promoting low-carbon operation and managing uncertainty in MIES.

Key words: mine integrated energy system, wind power accommodation, integrated demand response, multi-time scale, rolling optimization, low-carbon operation

CLC Number:

TK01

JIANG Meihui, XU Zhenjiang, NIU Tongke, ZHU Hongyu, LI Xiang. Intra-day multi-time scale rolling optimization scheduling of mine integrated energy system considering integrated demand response[J]. Integrated Intelligent Energy, 2025, 47(3): 73-83.

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参数	情景1	情景2	情景3
碳排放量/t	507.03	501.87	492.73
购电成本/元	11 995.95	8 325.61	6 205.07
购气成本/元	312 946.25	317 563.65	322 862.25
总费用/元	459 111.10	456 724.51	451 064.65

参数	情景4	情景5	日前调度
碳排放量/t	530.72	510.18	507.03
惩罚成本/元	0	18 735.43	0
购电成本/元	17 881.48	7 524.60	11 995.95
购气成本/元	338 912.71	311 482.34	312 946.25
总费用/元	495 195.83	466 327.97	459 111.10