光伏场站耦合电解制氢系统经济性优化调度研究

doi:10.16628/j.cnki.2095-8188.2025.10.008

摘要/Abstract

摘要：

氢能具有清洁、高能量密度的特点,是可再生能源大规模消纳和能源清洁化利用的重要技术路径。针对光伏耦合电解制氢系统的经济性问题,提出一种基于不同电价的系统协同运行功率优化分配策略。建立光伏和碱性电解槽的数学模型,并分析电解槽产氢速率与功耗之间的非线性动态关系。在此基础上,以系统总收益最大化为目标,所提策略利用电价差异引导能量在并网售电与电解制氢之间进行动态分配。结果表明,所提策略能根据电价和光伏出力情况,有效优化功率分配,从而在不同时段均实现收益最大化,为光伏耦合制氢系统经济运行提供了技术支撑。

关键词: 光伏, 制氢, 制氢电源, 收益优化

Abstract:

Hydrogen energy, characterized by its clean nature and high energy density, is a key technical pathway for the large-scale integration of renewable energy and clean energy utilization.To address the economic challenges of photovoltaic(PV)-coupled electrolytic hydrogen production systems, a coordinated operational strategy for optimal power allocation based on varying electricity prices is proposed.Mathematical models for the PV system and the alkaline electrolyzer are developed, and the nonlinear dynamic relationship between the electrolyzer's hydrogen production rate and its power consumption is analyzed.On this basis, with the objective of maximizing total system revenue, the proposed strategy utilizes electricity price differences to dynamically allocate energy between grid sales and electrolytic hydrogen production.The results show that the strategy effectively optimizes power allocation according to electricity prices and PV power output, thereby achieving revenue maximization in different time periods.This work provides technical support for the economic operation of PV-coupled hydrogen production systems.

Key words: photovoltaics, hydrogen production, power supply for hydrogen production, revenue optimization

中图分类号:

TM615

刘俊彪, 周一鸣, 季振东. 光伏场站耦合电解制氢系统经济性优化调度研究[J]. 电器与能效管理技术, 2025, 0(10): 55-60.

LIU Junbiao, ZHOU Yiming, JI Zhendong. Research on Economic Optimal Scheduling of Photovoltaic Power Station Coupled with Electrolytic Hydrogen Production System[J]. LOW VOLTAGE APPARATUS, 2025, 0(10): 55-60.

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设备	低电价	中电价	高电价
优化后并网功率/MW	391	830	1 246
优化后制氢功率/MW	855	416	0
优化后总收益/元	781 297	913 472	1 230 316
全额上网收益/元	367 692	885 001	1 230 316
制氢优先收益/元	779 921	906 179	1 043 822