DC/DC隔离型制氢电源发展现状与趋势

doi:10.12096/j.2096-4528.pgt.22187

摘要/Abstract

摘要：

随着国家“双碳”目标的推进，电解水制氢将迎来爆发式增长，其中电源的拓扑及控制对提升制氢系统效率具有重要意义。对DC/DC隔离型制氢电源的拓扑进行梳理及分析，针对不同的应用场景，分别从单级型、两级型、并联型和多端口型DC/DC隔离型制氢电源的结构及其优缺点进行分析，结果表明，全桥谐振变换器及考虑电解槽温度、压力及氢/氧交叉渗透反馈的控制方案，将成为适应宽范围、强波动的大功率规模化制氢电源发展趋势，且隔离型三端口DC/DC变换电源将成为分布式集成化电-氢耦合未来发展模式，为电解水制氢电源进一步研究提供参考。

关键词: 氢能, 制氢电源, 拓扑结构, 电解水制氢, 隔离型DC/DC变换器

Abstract:

With the advancement of the national goal of “double carbon”, the hydrogen production by electrolytic water will usher in explosive growth, among which the topology and control of power supply is of great significance to improve the efficiency of hydrogen production system. This paper took the topology of isolated DC/DC hydrogen production power supply as the main line to sort out and analyze, and summarized and analyzed the structures, advantages and disadvantages of single-stage, two-stage, parallel and multi-port DC/DC isolated hydrogen production power supply according to different application scenarios. The analysis shows that the full-bridge resonant converter and the control scheme considering the temperature, pressure and hydrogen/oxygen cross-osmosis feedback of the electrolytic cell will become the development trend of high-power large-scale hydrogen production power supply which can adapt to wide range and strong fluctuation. Moreover, the isolated three-port DC/DC conversion power supply will become the distributed integrated electric-hydrogen coupling development mode in the future. The research of this paper aims to provide theoretical reference for the further research of hydrogen production by electrolytic water.

Key words: hydrogen energy, hydrogen preparation power supply, topological structure, hydrogen production by electrolytic water, isolated DC/DC converter

中图分类号:

TK 91

孔令国, 宫健, 杨士慧, 倪德富, 王士博, 刘闯. DC/DC隔离型制氢电源发展现状与趋势[J]. 发电技术, 2023, 44(4): 443-451.

Lingguo KONG, Jian GONG, Shihui YANG, Defu NI, Shibo WANG, Chuang LIU. Development Status and Trend of DC/DC Isolated Hydrogen Production Power Supply[J]. Power Generation Technology, 2023, 44(4): 443-451.

图/表 17

图１半桥DC/DC变换器

Fig. 1 Half-bridge DC/DC converter

图2 半桥谐振DC/DC变换器

Fig. 2 Half-bridge resonant DC/DC converter

图3 全桥DC/DC变换器

Fig. 3 Full-bridge DC/DC converter

图4 全桥谐振DC/DC变换器

Fig. 4 Full-bridge resonant DC/DC converter

图5 三电平半桥ZVS DC/DC变换器

Fig. 5 Three-level half-bridge ZVS DC/DC converter

图6 推挽式DC/DC变换器

Fig. 6 Push-pull DC/DC converter

图7 两级式降压型DC/DC变换器

Fig. 7 Two-stage step-down DC/DC converter

图8 DCX两级式DC/DC变换器

Fig. 8 DCX two-stage DC/DC converter

图9 带电容输出滤波的两级Boost LCL串联谐振变换器

Fig. 9 Two-stage Boost LCL series resonant converter with capacitor output filter

图10 基于Y型三相交错并联LLC谐振变换器

Fig. 10 Y-type three-phase staggered parallel LLC converter

图11 双有源集成Boost变换器

Fig. 11 Dual active integrated Boost converter

图12 多端口氢储能DC/DC变换器

Fig. 12 Multi-port hydrogen energy storage DC/DC converter

图13 新型多端口氢储能DC/DC变换器

Fig. 13 A novel multi-port hydrogen energy storage DC/DC converter

图14 DC/DC变换器考虑温度和压强的协调控制

Fig. 14 DC/DC convreter considering temperature and pressure coordination control

图15 隔离型三端口DC/DC变换器

Fig. 15 Isolated three-port DC/DC converter

图16 三端口隔离型DC/DC变换器功率解耦

Fig. 16 Three-port isolated DC/DC converter power decoupling

图17 三端口隔离型DC/DC变换器工作模式

Fig. 17 Three-port isolated DC/DC converter operating modes

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