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In order to reduce the fluctuation of renewable energy power generation output and improve the utilization rate of renewable energy, this paper designs an on/off grid wind solar hybrid hydrogen synthesis ammonia system. Taking the maximum annual revenue of the system as the objective function, considering the operation constraints such as power balance, hydrogen balance and grid interaction, a capacity allocation scheduling optimization model is established. Taking the real output of the wind and solar energy in a certain area of Inner Mongolia as the input, through the analysis on wind and solar energy capacity ratio, this paper explores the technical and economic effect of the wind and solar energy capacity ratio on the system. The results show that, after the capacity configuration and scheduling optimization of the on/off grid wind solar complementary hydrogen and ammonia system, the system can reasonably switch the working state under different wind and solar output conditions, stabilize the wind and solar fluctuations, and realize the stable and efficient operation of ammonia equipment. The grid connected system is better than the off grid system. Through the analysis of the ratio of wind and solar capacity, in the case area, with the increase of wind capacity, the capacity of electrolyzer and hydrogen storage tank to be configured in the system shows a trend of first decreasing and then increasing. When the capacity of wind power generation and photovoltaic power generation is close to or equal, the economic efficiency of the system is high.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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