基于混合电解槽自适应控制的光伏制绿氢系统研究

王舜彦; 任永峰; 张小龙; 薛宇; 刘鹏; 温国伟

doi:10.19912/j.0254-0096.tynxb.2023-1936

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太阳能学报 ›› 2024, Vol. 45 ›› Issue (7) : 20-28. DOI: 10.19912/j.0254-0096.tynxb.2023-1936

“新型电力系统中光储规划配置及优化运行技术”专题

基于混合电解槽自适应控制的光伏制绿氢系统研究

王舜彦¹, 任永峰¹, 张小龙², 薛宇³, 刘鹏², 温国伟⁴

作者信息 +

STUDY ON PHOTOVOLTAIC GREEN HYDROGEN PRODUCTION SYSTEM BASED ON ADAPTIVE CONTROL OF HYBRID ELECTROLYZER

Wang Shunyan¹, Ren Yongfeng¹, Zhang Xiaolong², Xue Yu³, Liu Peng², Wen Guowei⁴

Author information +

文章历史 +

摘要

构建光伏阵列与混合电解槽耦合于交流母线的制氢系统。为提高光伏发电系统在环境变化下的能效,采用基于自适应步长扰动观测式的最大功率点追踪技术,光伏直流侧利用超级电容的快速响应和电荷平滑的特性稳定母线电压,网侧变流器采用虚拟同步机控制策略,实现快速响应电网变化需求,提供电网惯性和频率支撑,增强系统稳定性和可靠性;并针对传统单一电解槽制氢系统在固定工作模式下面临的能源浪费、适应性不足等问题,结合碱性电解槽和质子交换膜电解槽的优势,引入一种电解槽自适应控制系统,根据光伏输出功率和电解槽的状态实时调整工作模式,使系统在不同场景下保持较高的灵活性和稳定性。最后通过仿真验证所搭建模型与控制策略的正确性与有效性。

Abstract

In addressing the issues of renewable energy curtailment and reducing carbon emissions in China, solar hydrogen production has become one of the effective solutions. The paper constructs a hydrogen production system by coupling a photovoltaic array with a mixed electrolyzer connected to AC bus. To enhance the energy efficiency of the photovoltaic power generation system under environmental changes, it employs maximum power point tracking technology based on adaptive step perturb and observe. The DC side of the photovoltaic system utilizes the rapid response and charge-smoothing characteristics of supercapacitors to stabilize the bus voltage. On the grid side, the inverter adopts a virtual synchronous machine control strategy to achieve a rapid response to changes in grid demand, providing grid inertia and frequency support to enhance system stability and reliability. In addressing the issues of energy waste and insufficient adaptability faced by traditional single electrolyzer hydrogen production systems in a fixed operating mode, an electrolyzer adaptive control system is introduced. Combining the advantages of alkaline electrolyzer and proton exchange membrane electrolyzer, this system adjusts the operating mode in real-time based on photovoltaic output power and electrolyzer status, ensuring the system maintains high flexibility and stability in different scenarios. Finally, the correctness and effectiveness of the constructed model and control strategy were verified through simulation.

导出引用

王舜彦, 任永峰, 张小龙, 薛宇, 刘鹏, 温国伟. 基于混合电解槽自适应控制的光伏制绿氢系统研究[J]. 太阳能学报. 2024, 45(7): 20-28 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1936

Wang Shunyan, Ren Yongfeng, Zhang Xiaolong, Xue Yu, Liu Peng, Wen Guowei. STUDY ON PHOTOVOLTAIC GREEN HYDROGEN PRODUCTION SYSTEM BASED ON ADAPTIVE CONTROL OF HYBRID ELECTROLYZER[J]. Acta Energiae Solaris Sinica. 2024, 45(7): 20-28 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1936

中图分类号： TM615

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