变速恒频风力发电机组建模与仿真MODELING AND DYNAMIC SIMULATION OF VARIABLE SPEED WIND TURBINE
李晶,王伟胜,宋家骅
摘要(Abstract):
建立了包含风力机、双馈发电机及发电机电气控制部分的变速恒频风力发电机组的整体动态数学模型;以该数学模型为基础应用MATLAB软件搭建了用于研究变速恒频风电机组和固定转速风电机组并网特性的数字仿真工具。并以风速发生阶跃变化及风速发生不规则扰动为例,仿真比较了具有相同参数的变速和固定转速的风电机组相应物理量的响应特性。仿真结果表明了所建模型的正确性及变速恒频双馈电机具有良好的动态特性。
关键词(KeyWords): 风力发电;双馈发电机;动态模型;变速恒频风电机组
基金项目(Foundation): 国家高科技研究发展计划基金资助项目(863计划) (2001AA512021-5)。
作者(Author): 李晶,王伟胜,宋家骅
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