电机与控制应用2015，Vol.42Issue(11)：56-61,74,7.
离网型双馈异步风力发电机组最大风能捕获控制研究
Maximum Wind Energy Capturing Control for a Stand-Alone DFIG-Based Wind Turbines
摘要
Abstract
In order to solve the problem of maximum wind energy capturing in stand-alone wind turbines based on doubly-fed induction generators(DFIG), an maximum wind energy capturing method based on variable load was proposed. Based on the optimal power curve of wind turbine, the demanded generator torque could be calculated by measuring the rotor speed, compared with electromagnetic torque of generator, the variable load could be controlled by error value, and realize the function of tracking the maximal power point of wind power. Meanwhile, the voltage of DFIG was easily affected by load switches, apply a forced orientation of stator flux, considering the influence of dynamic exciting current, combined with feed-forward compensation design the double-loop current controller to suppress voltage disturbance. The simulation model of the stand-alone megawatt level DFIG was established in MATLAB/Simulink environment to verify the scheme. The simulation results showed that the variable load can capture the maximum wind power and output stable stator voltage.关键词
双馈异步风力发电机/离网运行/最大风能捕获/可变负载/电压扰动Key words
doubly-fed induction generator ( DFIG )/stand-alone/maximum wind energy capturing/variable load/voltage disturbance分类
信息技术与安全科学引用本文复制引用
陈集思,杨俊华,陈林,吴捷..离网型双馈异步风力发电机组最大风能捕获控制研究[J].电机与控制应用,2015,42(11):56-61,74,7.基金项目
国家自然科学基金资助项目(51307025,5177050,51407035) （51307025,5177050,51407035）
广东省高等学校科技创新项目(2013KJCX0059) （2013KJCX0059）
广东高校优秀青年创新人才培养计划项目资助(2012LYM 0052 （）
2013LYM 0019) （）
