Development Status and Trends of PV DC-to-Electrolysis Integration for Aluminum Smelting

SONG Yichen; LU Wanglin; SUN Peifeng; LU Qiliang; WEN Libo; XI Youshan

doi:10.19805/j.cnki.jcspe.2026.240809

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Development Status and Trends of PV DC-to-Electrolysis Integration for Aluminum Smelting

更新时间：2026-10-10

- Development Status and Trends of PV DC-to-Electrolysis Integration for Aluminum Smelting
- Chinese Journal of Power Engineering Vol. 46, Issue 4, Pages: 91-100(2026)
- 作者机构：
  
  1. 同济大学电气工程系,上海,200092
  2. 上海发电设备成套设计研究院有限责任公司,上海,200240
- 作者简介：
- 基金信息：
- DOI：10.19805/j.cnki.jcspe.2026.240809
  CLC： TK514
- Published：2026
- 稿件说明：
移动端阅览
宋伊辰, 陆王琳, 孙培锋, 陆启亮, 温立波, 奚有山. 光伏直流接入电解铝技术发展现状和趋势[J]. 动力工程学报, 2026, 46(4): 91-100.
宋伊辰, 陆王琳, 孙培锋, 陆启亮, 温立波, 奚有山. 光伏直流接入电解铝技术发展现状和趋势[J]. 动力工程学报, 2026, 46(4): 91-100. DOI： 10.19805/j.cnki.jcspe.2026.240809.

DOI： 10.19805/j.cnki.jcspe.2026.240809

摘要

随着"双碳"目标的推进

高耗能的电解铝厂的节能降碳、能源转型成为亟待解决的问题。利用光伏直流接入电解铝供电整流系统直流母线

可降低系统碳排放

增加电解铝的绿电比例。首先

介绍了电解铝行业的能耗和碳排放问题

分析了光伏直流接入电解铝系统的研究现状和已有的一些示范项目

验证了所选技术路线的可行性。其次

详细讨论了光伏直流接入电解铝的关键技术

包括稳流控制、大容量DC/DC变换器、电能质量治理措施和直流微电网组网控制及保护等。最后

提出了光伏直流接入电解铝技术的未来发展趋势。结果表明:光伏直流接入电解铝技术是推动电解铝行业绿色转型的关键路径

虽然面临稳定性与经济性等挑战

但未来通过提升关键设备与智能化水平可进一步提高绿电比例与能源效率。

Abstract

With the advancement of the "dual carbon" goal

energy saving

carbon reduction and energy transformation of electrolytic aluminum plants with high energy consumption have become urgent problems to be solved. Direct integration of photovoltaic (PV) DC power into the DC bus of aluminum electrolysis rectifier systems can reduce carbon emissions and increase green electricity penetration. Firstly

this study outlined energy consumption and carbon emission challenges facing the aluminum electrolysis industry

reviewed existing demonstration projects

and validated technical feasibility. Secondly

critical enabling technologies were discussed

including current stabilization control

high-capacity DC/DC converters

power quality mitigation measures

and DC microgrid control and protection strategies. Finally

future development trends of the technology were also identified. Results show that PV DC integration represents a pivotal approach for green transformation of the aluminum industry. Despite challenges regarding stability and economics

advancing critical equipment capabilities and intelligent control systems will further enhance green electricity ratios and energy efficiency.

关键词

Keywords

references

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