Full
Outline
To address the power fluctuations in the distribution network caused by the integration of distributed new energy, this article proposes an economic dispatch strategy for the distribution network that considers the frequency regulation capability and source load correlation of electric vehicle battery swapping stations (BSS). This strategy aims to minimize the total system cost, coordinate and schedule frequency modulation resources including BSS, and constrain BSS charging and discharging behavior while maintaining power balance. Firstly, a frequency modulation signal prediction model is constructed: a long short-term memory neural network is used to predict new energy and load power, and the Copula function is used to characterize their correlation, deriving the conditional probability distribution of the frequency modulation signal. Secondly, a prediction driven economic dispatch method based on source load correlation is proposed: Wasserstein distance is used to process the predicted data and construct a fuzzy set, combined with distribution robust optimization and opportunity constraints to establish an economic dispatch model considering the cost of secondary frequency modulation; Further transform the opportunity constraint through conditional value at risk (CVaR) approximation, and use Wasserstein duality to transform the model into a linear programming problem for solution. The simulation results show that the proposed strategy is economically superior to traditional methods.
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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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