A Two-Stage Optimization Strategy for Virtual Power Plants Considering the Electricity-Hydrogen Market

doi:10.12096/j.2096-4528.pgt.23001

Abstract

Abstract:

As the main body of resource aggregation, virtual power plant (VPP) not only needs to participate in the external energy market, but also needs to optimize the management of internal resources.Different from other energy storage systems, hydrogen energy storage systems can participate in the hydrogen market in addition to the backup and supplement functions of electric energy.For a virtual power plant operator (VPPO), it is necessary to optimize the dispatch of internal resources as well as to develop a bidding strategy for both the electricity and hydrogen markets based on operational conditions and external market information.In this study, a two-stage model was developed, taking into account the interaction mechanism between the internal and external sides.The first stage of the model was based on the operational optimization of the internal resources of renewable energy, flexible load, pumped storage and hydrogen storage systems, while the second stage of the model aimed to optimize the bidding strategy by maximizing the total revenue in the electricity energy market, auxiliary services market and hydrogen market.

Key words: virtual power plant(VPP), electricity market, hydrogen market, hydrogen storage system

CLC Number:

TK 01

Mengshu SHI, Xiaofeng XU, Jiguang ZHANG, Yi LI, Baozhong ZHOU, Ying LE, Sheng BI. A Two-Stage Optimization Strategy for Virtual Power Plants Considering the Electricity-Hydrogen Market[J]. Power Generation Technology, 2023, 44(5): 645-655.

Figures/Tables 14

References 30

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参数类型	参数	数值
设备运行参数	电转氢效率/%	65
	电转氢转电效率/%	44
	抽蓄电站效率/%	70
价格参数	氢价格/(元/m³)	4
设备容量参数	抽蓄电站容量/kW	300
	电解水制氢装置容量/kW	100
	储氢装置容量/m³	250
	燃料电池容量/kW	45

参数类型	参数	数值
设备运行参数	电转氢效率/%	65
	电转氢转电效率/%	44
	抽蓄电站效率/%	70
价格参数	氢价格/(元/m³)	4
设备容量参数	抽蓄电站容量/kW	300
	电解水制氢装置容量/kW	100
	储氢装置容量/m³	250
	燃料电池容量/kW	45

项目	风光出力	柔性负荷	抽蓄电站	氢储能系统
场景1	􀳫	􀳫
场景2	􀳫	􀳫	􀳫
场景3	􀳫	􀳫		􀳫
场景4	􀳫	􀳫	􀳫	􀳫

项目	风光出力	柔性负荷	抽蓄电站	氢储能系统
场景1	􀳫	􀳫
场景2	􀳫	􀳫	􀳫
场景3	􀳫	􀳫		􀳫
场景4	􀳫	􀳫	􀳫	􀳫

场景	春季典型日	夏季典型日	秋季典型日	冬季典型日
1	4 098.34	4 808.00	4 282.84	3 843.99
2	4 098.34	4 808.00	4 282.84	3 843.99
3	3 501.41	4 208.00	3 701.25	3 269.77
4	3 501.41	4 208.00	3 701.25	3 269.77