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The traditional active distribution network location and capacity determination ignores the multi-energy complementary coordination characteristics of the energy system，which led to high cost. Therefore，an active distribution network location and capacity determination method based on energy interconnection was proposed. On the basis of energy interconnection，the objective function was established，and the whole life cycle cost theory was used to comprehensively consider the equipment purchase cost，installation cost，operation and maintenance cost，system operation cost and salvage value recovery. Taking the distribution network location and capacity determination comprehensive cost in the form of probability as the objective function，the necessary constraint models were constructed，including equipment configuration capacity constraint，system power supply reliability constraint，power balance constraint and equipment operation constraint. On this basis，the improved artificial fish swarm algorithm was used to solve the location and capacity determination algorithm. The simulation results show that the cost of the location and capacity determination of the active distribution network with distributed power is lower than that without distributed power. The total cost of network loss and reactive power compensation calculated by the improved artificial fish swarm algorithm is lower. Compared with other methods，the method proposed has lower loss cost and reactive power compensation cost. It shows that the proposed method can reduce the cost of active distribution network location and capacity determination，and the practical effect is better.
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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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