By taking the first wind farm in Qiaodong，Gansu Province as an example，the theoretical and actual output characteristics of single wind turbine and the wind farm are studied based on the interaction between wind turbines and airflow field. The results show that: (1) the average ratio of actual output to theoretical output of a single wind turbine is 0.7，while the average ratio of wind resources utilization of the wind farm is 0.5. (2) The wind speed in the wind farm decreased by 62.4% caused by wake effect. (3) The spatial distribution characteristics of the actual output of the wind turbine in the wind farm are basically the same as those of the wind speed. It decreases from the upstream to the downstream, meanwhile, the center is smaller and the sides are bigger.
Xiaoqing GAO
,
Bolong CHEN
,
Liwei YANG
,
Ming MA
,
Xiaoying HUI
. A Comparative Study on Theoretical and Actual Output of Wind Farm——A Case Study on the Qiaodong First Wind Farm in Jiuquan, Gansu[J]. Plateau Meteorology, 2020
, 39(2)
: 431
-436
.
DOI: 10.7522/j.issn.1000-0534.2019.00095
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