New Energy-Power to Hydrogen Capacity Two-Level Planning

doi:10.16628/j.cnki.2095-8188.2021.07.002

Abstract

Abstract:

Take wind power hydrogen production as an example.First,this paper establishes a life-span economic analysis model of the electric hydrogen production system under random fluctuation input.Based on this,three wind power-electric hydrogen production capacity double-level planning models are proposed.The upper models are based on the electric hydrogen production system.The life cycle total cost,investment cost and internal rate of return are used as the objective function of the upper optimization model.The lower optimization target is the curtailment rate of the wind farm,and the constraints are the curtailment rate constraints and the operating constraints of the hydrogen production system,and MATLAB genetics is used.The algorithm toolbox solves the model.Finally,a certain region in Gansu is taken as an example to verify the effectiveness of the proposed bi-level programming model and the economic feasibility of wind power hydrogen production.

Key words: carbon neutral, new energy, power to hydrogen, abandoned power rate, two-level planning

CLC Number:

TM734

SONG Xinfu, JING Shibo, ZHANG Hong, YUAN Tiejiang. New Energy-Power to Hydrogen Capacity Two-Level Planning[J]. LOW VOLTAGE APPARATUS, 2021, 0(7): 8-13.

Figures/Tables 10

References 22

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参数	上限	备注
电制氢系统投资成本 /(元· kW^-1)	8 000
氢气售价/(元·kg^-1)	20
制氢电价/(元·kWh^-1)	0.25
制氢水价格/(元·T^-1)	5
初始PEM制氢效率 /(kWh·Nm^-3)	4.5	随着时间衰减
电堆的寿命/h	80 000	占投资成本60%
制氢其他子系统寿命/a	20	占投资成本40%
制氢系统效率衰减/%	10	假设平均衰减0.5%/a
政府补贴/(元·kWh^-1)	0.25

方案	优化目标	约束
1	投资成本最小	考虑弃电约束
2	总成本最小	考虑弃电约束
3	内部收益率	考虑弃电约束
4	双层规划-上层优化投资成本	考虑弃电约束
5	双层规划-上层优化总成本	考虑弃电约束
6	双层规划-上层优化内部收益率	考虑弃电约束

方案	投资成本/ 亿元	弃电率/%	电解槽规划值/MW	IRR/%
1	4.94	8.3	61.76	11.1
2	6.13	0	76.69	9.7
3	5.54	1.4	69.34	10.8
4	4.70	7.3	58.83	11.9
5	6.13	0	76.69	9.7
6	4.84	4.8	60.46	12.0

方案	制氢系统年等效利用时间/h	槽寿命/a	运行成本 /亿元	收入/亿元
1	2 160	>20	1.45	16.7
2	1 899	>20	1.58	18.3
3	2 070	>20	1.55	18.1
4	2 293	>20	1.46	16.9
5	1 899	>20	1.57	18.3
6	2 291	>20	1.49	17.4

讨论场景	讨论区间
1	政府补贴为0~0.25元/kWh
2	槽全寿命效率衰减10%~20%
3	电解槽自身寿命40 000~80 000 h