A Full-Voyage Economic Dispatching Strategy of Ship Microgrid for Energy Management of Container Ships

doi:10.16183/j.cnki.jsjtu.2024.184

Abstract

Abstract:

With the fast development of marine refrigerated transport business, the proportion of reefer container on container ships is increasing. To further improve the energy efficiency of container ships and reduce the full-voyage cost, an economic dispatching strategy for container ships considering reefer demand response is proposed. First, the operation characteristics of the reefer container is analyzed and its mathematical model is established. Then, a full-voyage economic dispatching framework of ship microgrid including voyage optimization, day-ahead dispatching, and reefer container dispatching is established. Variables continuous in time such as the state of energy storage equipment and vessel sailing distance are determined based on the voyage optimization. The day-ahead dispatching determines the generation plan of the generators and the virtual electricity price, and cooperates with the reefer container dispatching to realize the economic operation of the microgrid. A case study of the ship route from Hong Kong to Shanghai indicates that the proposed method can reduce the total voyage cost of container ships by 5.02% without increasing the investment cost, and realize the efficient operation of ship microgrid.

Key words: reefer container, demand response, ship microgrid, full-voyage optimization, economic dispatch

CLC Number:

TM732

WANG Xiaobo, JIA Yongyong, ZHU Xinyao, LI Zheng. A Full-Voyage Economic Dispatching Strategy of Ship Microgrid for Energy Management of Container Ships[J]. Journal of Shanghai Jiao Tong University, 2026, 60(4): 595-603.

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编号	最大功率/MW	最小功率/MW	a_k, b_k, c_k
DG1	10	4	1.59,144.7,16
DG2	10	4	1.53,145,16
DG3	8	2.5	2.29,147.2,12
DG4	8	2.5	2.35,148.3,12

类型	表面积/m²	制冷功率/kW	热传输系数/(W·m^-2·K)
TEU	73.56	10	0.8
FEU	135.26	12	0.8

编号	集装箱型号	货物类型	装载重量/kg	货物比热容/(kJ·kg^-1·K)	温度允许范围/℃
类型1	FEU	虾	24300	1.88	-18~-23
类型2	FEU	牛肉	25600	1.67	-15~-21
类型3	FEU	冰鲜肉类	25100	1.47	-2.4~-0.4
类型4	TEU	香蕉	16500	3.35	15~17
类型5	TEU	扇贝	17300	2.01	-16~-20

航行天数	策略1		策略2		策略3
航行天数	燃油成本/美元	岸电成本/美元	燃油成本/美元	岸电成本/美元	燃油成本/美元	岸电成本/美元
第1天	65357.22	958.76	62200.21	695.99	60202.94	928.00
第2天	59762.12	1494.84	57862.74	1756.66	57058.75	1726.57
第3天	78947.47	219.07	77588.08	238.94	76202.05	236.80
总费用/美元	206739.48		200342.62		196355.10
与策略1对比/%			-3.09		-5.02