Optimal control strategy of wind-energy storage hydrogen production power plant based on efficiency characteristics of hydrogen production device

被引：0
|
作者：
Sun D. [1 ]
Yu J. [1 ]
Ruan J. [1 ]
Zheng W. [1 ]
Zu G. [2 ]
机构：
[1] School of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin
[2] Electric Power Research Institute of State Grid Heilongjiang Electric Power Co.，Ltd., Harbin
来源：
Dianli Zidonghua Shebei/Electric Power Automation Equipment | 2023年 / 43卷 / 12期
关键词：
EEMD; efficiency optimization; fuzzy logic control; power distribution; wind-energy storage hydrogen production power plant;
D O I：
10.16081/j.epae.202310003
中图分类号：
学科分类号：
摘要：
The contradiction between the fluctuation of wind power output and the working characteristics of alkaline electrolyzer reduces the working efficiency of hydrogen production unit. To solve this problem，the dynamic working characteristics of alkaline electrolyzer are studied，the influence of wind speed fluctuation on the stable operation of the electrolyzer is analyzed，and the coordinated operation effect between different energy storage devices and power-to-hydrogen is comprehensively compared. The supercapacitor energy storage device is selected as the energy storage unit of the wind-energy storage hydrogen production power plant. An efficiency optimization control strategy for wind-energy storage hydrogen production power plant is proposed. In the suppression layer，the ensemble empirical mode decomposition（EEMD） algorithm is used to decompose the wind power and reconstruct the high- and low-frequency components. In the correction layer，according to the working states of the alkaline electrolyzer and the state of charge of the supercapacitor，the reconstructed power is corrected by using the fuzzy controllers，so as to realize the reasonable power allocation between the alkaline electrolyzer and the supercapacitor，improving the energy utilization rate of the wind-energy storage hydrogen production power plant. Based on the simulation model of the wind-energy storage hydrogen production power plant，the control effects of three different strategies are compared under different wind speed inputs，verifying the effectiveness of the proposed strategy. © 2023 Electric Power Automation Equipment Press. All rights reserved.
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页码：53 / 61
页数：8
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