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In the context of dual carbon，carbon trading mechanism and various energy complementary power generation mechanism are important mechanisms for China to achieve carbon emission reduction goals and sustainable development. A multi-energy system optimization model was proposed that takes into account carbon trading to reduce carbon dioxide emissions while relieving the pressure of thermal power unit peaking. Firstly，a cost model of carbon trading was constructed based on carbon emissions，taking into account coal consumption cost，fuel input and loss cost and environmental cost，to form an optimal objective function and linearize it by segments. Secondly，the model for hydro-thermal-wind-photovoltaic power system was constructed. In the first stage，with the objective of minimizing net load fluctuation，the generation capacity of each hydropower station of the terrace was calculated using the moth search （MS） algorithm，and the daily load output curve was optimized. In the second stage，with the objective of minimizing the integrated cost and describing the stochasticity of wind power with the help of scenario method，a dispatching model of power system considering carbon trading mechanism was constructed. Finally，the validity of the proposed model was verified in a modified IEEE 7-machine 57-bus system.
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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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