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The joint participation of energy storage stations and wind farms in the black start of a system can reduce load outage time and accelerate system recovery. This paper focuses on a large energy storage power station and wind farm combined power generation system and proposes a coordinated control strategy for black start considering the restoration capability of energy storage power stations. The wind farm employs a maximum power tracking control method, while the energy storage power station adopts the V/f control method to jointly form a black start power source. Soft energization is employed for the energy storage power station and critical load restoration are performed before the wind turbines are connected to enhance the stability of restored system. An estimation method for the recovery amount of load is introduced, considering the recovery capability of energy storage stations. Based on the auxiliary load demand of the thermal power plant and wind power prediction, the state of charge of the energy storage power station during the black start process is predicted. Then, considering the power and state of charge constraints of the energy storage power station, the amount of critical load to be restored is determined. Transient simulations are carried out in PSCAD/EMTDC to verify the effectiveness of the proposed strategy.
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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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