摘要
准确估算湍流强度变化影响下的发电量,为风电项目开发与投资提供可靠的依据。从10 min级湍流强度变化的角度,提出了利用实时湍流强度计算风电场发电量的方法,通过多项式展开公式和数值积分,对风电机组的发电量进行估算。以新疆某风电场的实际风资源为例,与实际年发电量、静态理论年发电量和普遍采用的修正发电量功率曲线的方法对比,表明该方法估算的发电量误差小,更贴近实际年发电量。
To accurately estimate the power generation under the influence of turbulence intensity change, it can provide a reliable basis for the development and investment of wind power projects.From the perspective of the change of 10 min turbulence intensity, using real-time turbulence intensity is proposed. The power generation of the wind turbine is estimated through polynomial expansion formula and numerical integration. Taking the actual wind resource of a wind farm in Xinjiang as an example, compared with the actual annual power generation, static theoretical annual power generation and the commonly used method of revised power generation power curve,the results show that this method estimates small power generation error and more close to the actual annual power generation.
作者
张雪芝
王维庆
王海云
Zhang Xuezhi;Wang Weiqing;Wang Haiyun(School of electric Engineering, Xinjiang University, Urumqi 830047, China;Engineering Research center for Renewable Energy Generation ＆ Grid Control, Xinjiang University, Urumqi 830047, China)
出处
《可再生能源》
CAS
北大核心
2018年第5期757-761,共5页
Renewable Energy Resources
基金
新疆维吾尔自治区重点研发计划项目(2016B02019)
国家自然科学基金项目(51667020)
关键词
湍流强度
风电场
发电量
功率曲线
turbulence intensity
wind farm
power generation
power curve
