Co-Optimization Scheduling of Electricity and Natural Gas Systems Considering Railway Transportation

The electrified railway system with liquefied natural gas (LNG) transported is closely related to the integrated electricity-gas energy system, but little research focuses on the coordinated optimal operation of these systems. To fill the gap, this paper innovatively proposes the co-optimization sch...

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Bibliographic Details
Main Authors: Long, Tao, Bie, Zhaohong, Jiang, Lizhou, Xiao, Yao, Xie, Haipeng
Format: Conference Proceeding
Language:English
Subjects:
Co-optimization
integrated energy and transportation systems
integrated energy system (IES)
liquefied natural gas (LNG)
railway networks
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Summary:The electrified railway system with liquefied natural gas (LNG) transported is closely related to the integrated electricity-gas energy system, but little research focuses on the coordinated optimal operation of these systems. To fill the gap, this paper innovatively proposes the co-optimization scheduling model of electricity and natural gas systems considering railway transportation. Firstly, a railway network model for LNG transmission is put forward. Then a co-optimization scheduling model for the integrated electricity-natural gas system and railway system is established. Finally, the incremental linear approximation is adopted to transform the original model into a mixed integer linear programming model. The results of case studies show that the proposed co-optimization scheduling model is beneficial to reduce operating costs and promote the accommodation of renewable energy.
ISSN:1944-9933
DOI:10.1109/PESGM41954.2020.9282019