摘要
利用电解水制氢是当前解决可再生能源弃电的方案之一,为解决光伏发电系统中存在的弃光问题,针对光伏-PEM(质子交换膜)制氢直接耦合系统,在Matlab/Simulink环境中建立耦合系统的模型,将PEM电解槽直接耦合到功率为10 kW的光伏阵列中以产生氢气,建立了预测电解槽制氢速率的方程,并模拟PEM电解槽的制氢过程,通过仿真得到了制氢电解槽制氢速率随光照强度变化的曲线,不同光照强度下的制氢速率不同,从而可以得到耦合系统在不同光照条件下的制氢速率,在此基础上制氢电解槽可以与光伏发电系统相匹配,理论上可以尽可能地消纳弃光,一定程度上提高能量的利用率。通过仿真实现直接耦合系统的工作运行过程,有助于缓解与太阳能、风力发电和其他间歇性发电机相关的储能问题,为后续研究提供实验基础。
The electrolyzed water is utilized to produce hydrogen,which is one of the current solutions to the curtailment of renewable energy. In order to solve the problem of light curtailment in photovoltaic power generation systems,a coupling system model for the direct coupling system for photovoltaic-PEM(proton exchange membrane)hydrogen production is established in the Matlab/Simulink. The PEM electrolyzer is directly coupled to a photovoltaic array with a power of 10 kW to produce hydrogen. The equation for predicting the rate of hydrogen production in the electrolyzer is established. The hydrogen production process of the PEM electrolyzer is simulated. The curve that the hydrogen production rate of the hydrogen production electrolyzer varies with the light intensity is obtained by simulation. The hydrogen production rate under different light intensities is different,so that the hydrogen production rate of the coupling system under different light conditions can be obtained. On this basis,the hydrogen production electrolyzer can match the photovoltaic power generation system,so it can theoretically absorb the curtailment light as much as possible,and improve the energy utilization rate to a certain extent. The working process of the direct coupling system is realized by simulation and helps to alleviate the energy storage related to solar energy,wind power generation and other intermittent generators,which provides an experimental basis for the subsequent research.
作者
周涣
田易之
ZHOU Huan;TIAN Yizhi(Xinjiang University,Urumqi 830000,China)
出处
《现代电子技术》
2022年第19期178-181,共4页
Modern Electronics Technique
关键词
可再生能源
直接耦合系统
光照强度
PEM电解槽
制氢速率
系统建模
仿真模型
renewable energy
direct coupling system
light intensity
PEM electrolyzer
hydrogen production rate
system modeling
simulation model
