Optimal Operation Strategy for Wind–Hydrogen–Water Power Grids Facing Offshore Wind Power Accommodation

Zhen Liu, He Wang, Bowen Zhou, Dongsheng Yang, Guangdi Li, Bo Yang, Chao Xi and Bo Hu
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Zhen Liu: College of Information Science and Engineering, Northeastern University, Shenyang 110819, China
He Wang: College of Information Science and Engineering, Northeastern University, Shenyang 110819, China
Bowen Zhou: College of Information Science and Engineering, Northeastern University, Shenyang 110819, China
Dongsheng Yang: College of Information Science and Engineering, Northeastern University, Shenyang 110819, China
Guangdi Li: College of Information Science and Engineering, Northeastern University, Shenyang 110819, China
Bo Yang: College of Information Science and Engineering, Northeastern University, Shenyang 110819, China
Chao Xi: College of Information Science and Engineering, Northeastern University, Shenyang 110819, China
Bo Hu: State Grid Liaoning Electric Power Co., Ltd., Shenyang 110006, China

Sustainability, 2022, vol. 14, issue 11, 1-23

Abstract: In this study, we utilize the advantages of offshore wind power resources in coastal areas to make up for the shortage of freshwater. At the same time, freshwater can be used as raw material to supply hydrogen energy. An operation strategy considering power and water input for an electrolyzer is proposed and an electrolyzer variable efficiency model under optimal operation mode is also proposed. Considering both energy benefits and operation and maintenance costs, this paper sets up the wind–hydrogen–water power grid system optimal operation model. Simulation analysis is carried out from the aspects of economy, accommodation, uncertainty of impacts of the reservoir capacity, water satisfaction, and so on. The results show that the accommodation rate reaches 98.2% when considering the proposed operation strategy. The average daily operating cost of the system reaches USD 3.9 × 10 4 , and the strategy and model have good economic benefits and practical significance.

Keywords: offshore wind power; desalination; hydrogen energy system; joint-operation power control strategy; electrolyzer variable efficiency model (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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