| 海上风电场运行期尾流损失分析 |
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| 作者姓名： | 刘沙 王中权 蔡彦枫 |
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| 作者单位： | 1.南方海上风电联合开发有限公司，珠海 519080 |
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| 基金项目： | 中国能建广东院科技项目“海上风电技术研究”EX03911W |
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| 摘 要： | 目的] 为了充分认识海上风电场运行过程中的尾流效应，对风电场布局设计中的模拟计算结果进行验证，探索海上风电场的风机尾流损失变化规律。 方法] 以华南地区某海上风电场为测试场址，选用PARK模型进行尾流模拟计算，对模型中的参数进行优化并进行实际发电量验证。 结果] 结果表明:PARK模型用于海上风电场尾流模拟可以基本反映风机实际发电情况；在某风向上风机间距为7D情况下，主风向尾流损失在第2排后的分布规律呈现较为稳定的状态，约为首台风机的30%。 结论] PARK尾流模型能够较好的模拟近海风电场尾流损失和进行发电量计算，模型参数选择应根据项目实际情况进行敏感性测算。
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| 关 键 词： | 海上风电场 尾流损失 风机排布 |
| 收稿时间： | 2019-01-07 |
Wake Loss Analysis of Offshore Wind Farm in Operation |
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| Affiliation: | 1.Southern Offshore Wind Power Joint Development Co., Ltd, Zhuhai 519080, China2.China Energy Engineering Group Guangdong Electric Power Design Institute Co., Ltd., Guangzhou 510663, China |
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| Abstract: | Introduction] In order to understand the wake loss of offshore wind farm, the simulation results are verified to explore the variation law of offshore wake loss. Method] In this paper, the PARK model was used to simulate the wake flow of a offshore wind farm in South China. The parameters of the model were optimized and the actual power output was verified. Result] The results show that application of PARK model in wake simulation of offshore wind farms basically coincides with the actual power output. When wind turbines with 7D spacing in a certain wind direction, the distribution of main wind wake loss after the second row is about 30%. Conclusion] PARK wake model can simulate the wake loss and calculate the power output in offshore wind farms. Sensitivity calculation of model parameters should be carried out to meet the actual conditions. |
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