Multi-timescale power system operations for electrolytic hydrogen generation in integrated nuclear-renewable energy systems

被引:1
|
作者
Rahman, Jubeyer [1 ]
Jacob, Roshni Anna [1 ]
Zhang, Jie [1 ,2 ]
机构
[1] Univ Texas Dallas, Dept Elect & Comp Engn, Richardson, TX 75080 USA
[2] Univ Texas Dallas, Dept Mech Engn, Richardson, TX 75080 USA
关键词
Integrated energy system; Low-temperature electrolysis; High-temperature steam electrolysis; Small modular reactor; Steam bypass; STORAGE; ELECTRICITY;
D O I
10.1016/j.apenergy.2024.124346
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
This study explores how sector coupling via Integrated energy systems (IES) can improve the operational flexibility of the power grid, while hydrogen is gaining traction as a versatile energy carrier. Specifically, we have evaluated the operational benefits of integrating two electrolytic processes for hydrogen generation, namely low-temperature electrolysis (LTE) and high-temperature steam electrolysis (HTSE), into a nuclear- renewable IES using a 3-cycle power system operation framework. Detailed steady-state models of the electrolytic hydrogen generating facilities are constructed, with the HTSE process represented using standard transient models to account for the steam-bypass scheme from the nuclear reactor. These models are then integrated into a renewable-intensive power network model (specifically, the NREL 118-bus system). To simulate the operation of the integrated system across multiple timescales, a multi-timescale scheduling and dispatch tool is employed. Results indicate that while both electrolytic processes contribute to significant flexibility enhancement and renewable energy curtailment reduction (3 MWh and 16 MWh), the LTE process offers more operational benefits than the HTSE process across multiple timescales.
引用
收藏
页数:11
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