Considering the Tiered Low-Carbon Optimal Dispatching of Multi-Integrated Energy Microgrid with P2G-CCS

Zixuan Liu, Yao Gao, Tingyu Li, Ruijin Zhu (), Dewen Kong and Hao Guo
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Zixuan Liu: Water Conservancy Project and Civil Engineering College, Tibet Agriculture and Animal Husbandry University, Linzhi 860000, China
Yao Gao: Beijing Shougang Automation Information Technology Co., Ltd., Beijing 100043, China
Tingyu Li: State Grid Heilongjiang Power Company Limited State Grid Daqing Power Supply Company, Daqing 163000, China
Ruijin Zhu: Research Center of Civil, Hydraulic and Power Engineering of Tibet, Tibet Agriculture and Animal Husbandry University, Linzhi 860000, China
Dewen Kong: Water Conservancy Project and Civil Engineering College, Tibet Agriculture and Animal Husbandry University, Linzhi 860000, China
Hao Guo: Water Conservancy Project and Civil Engineering College, Tibet Agriculture and Animal Husbandry University, Linzhi 860000, China

Energies, 2024, vol. 17, issue 14, 1-18

Abstract: The paper addresses the overlooked interaction between power-to-gas (P2G) devices and carbon capture and storage (CCS) equipment, along with the stepwise carbon trading mechanism in the context of current multi-park integrated energy microgrids (IEMGs). Additionally, it covers the economic and coordinated low-carbon operation issues in multi-park IEMGs under the carbon trading system. It proposes a multi-park IEMG low-carbon operation strategy based on the synchronous Alternating Direction Method of Multipliers (ADMM) algorithm. The algorithm first enables the distribution of cost relationships among multi-park IEMGs. Then, using a method that combines a CCS device with a P2G unit in line with the tiered carbon trading scheme, it expands on the model of single IEMGs managing thermal, electrical, and refrigeration energy. Finally, the comparison of simulation cases proves that the proposed strategy significantly reduces the external energy dependence while keeping the total cost of the users unchanged, and the cost of interaction with the external grid is reduced by 56.64%, the gas cost is reduced by 27.78%, and the carbon emission cost is reduced by 29.54% by joining the stepped carbon trading mechanism.

Keywords: synchronous ADMM; tiered carbon trading mechanism; carbon capture and storage and power-to-gas devices; multi-park integrated energy microgrids (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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