Operation Mode and Economy of Photovoltaic Coupled Water Electrolysis Hydrogen Production System As a Kind of Virtual Power Plant Resource

doi:10.12096/j.2096-4528.pgt.22181

Abstract

Abstract:

In order to promote the utilization of clean and renewable energy such as solar energy and hydrogen energy, and better integrate it with virtual power plant technology, aiming at the coupling system of photovoltaic power station and electrolytic water hydrogen production, the operation mode of large-scale aggregate resources was constructed and the relevant economic analysis considering the initial investment of resources was carried out. At the same time, combined with the analysis of the annual output data of the actual photovoltaic power station project, it was discussed that when this kind of coupling resources were used as virtual power plant resources, while supporting the new power system and promoting the consumption of new energy, it could maintain and continuously optimize its own economy. The operation mode optimization elements, equipment function characteristics and market conditions worthy of attention were pointed out, which provided a reference for related research.

Key words: photovoltaic, water electrolysis for hydrogen production, virtual power plant, external characteristics

CLC Number:

TK 91

Tianqi SONG, Yunting MA, Zhihui ZHANG. Operation Mode and Economy of Photovoltaic Coupled Water Electrolysis Hydrogen Production System As a Kind of Virtual Power Plant Resource[J]. Power Generation Technology, 2023, 44(4): 465-472.

Figures/Tables 4

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阶段	光伏电站出力	电解水制氢运行功率	虚拟电厂外部特性	虚拟电厂外部响应资源与功能
1	(0，α]	(0.5P₁-α，0.5P₁]	负荷态	容量为0.5P₁-α的稳定可控负荷资源
2	(α，0.5P₁]	(α，0.5P₁]	平衡态	全额消纳波动光伏，支撑电网
3	(0.5P₁，P₁]	(0，0.5P₁]	电源态	容量为0.5P₁的稳定电源资源
4	(0，0.5P₁]	(0，0.5P₁]	平衡态	全额消纳波动光伏，支撑电网
5	0	0.5P₁	负荷态	在谷电时段，容量为0.5P₁的稳定可控负荷资源

阶段	光伏电站出力	电解水制氢运行功率	虚拟电厂外部特性	虚拟电厂外部响应资源与功能
1	(0，α]	(0.5P₁-α，0.5P₁]	负荷态	容量为0.5P₁-α的稳定可控负荷资源
2	(α，0.5P₁]	(α，0.5P₁]	平衡态	全额消纳波动光伏，支撑电网
3	(0.5P₁，P₁]	(0，0.5P₁]	电源态	容量为0.5P₁的稳定电源资源
4	(0，0.5P₁]	(0，0.5P₁]	平衡态	全额消纳波动光伏，支撑电网
5	0	0.5P₁	负荷态	在谷电时段，容量为0.5P₁的稳定可控负荷资源

谷电价格/[元/(kW⋅h)]	制氢谷电支出/万元	制氢年收益/万元	填谷谷电支出/万元	填谷年收益/万元
0.353 9	2 025.44	263.84	339.74	428.26
0.257 9	147 6.01	813.27	247.58	520.42
0.100 0	572.32	1 716.96	96.00	672.00
0	0	2 289.28	0	768.00
0.319 4	1 827.88	461.40	306.60	461.40

谷电价格/[元/(kW⋅h)]	制氢谷电支出/万元	制氢年收益/万元	填谷谷电支出/万元	填谷年收益/万元
0.353 9	2 025.44	263.84	339.74	428.26
0.257 9	147 6.01	813.27	247.58	520.42
0.100 0	572.32	1 716.96	96.00	672.00
0	0	2 289.28	0	768.00
0.319 4	1 827.88	461.40	306.60	461.40

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