摘要
大型风电机组的最大功率点跟踪控制是以机组的最大功率曲线为基础,而一个机型的最大功率曲线应用到某具体机组时存在一定的误差,另外机组长时间运行及外部环境条件变化会使机组最大功率曲线发生偏移。为进一步提高风电机组的风能利用率,提出一种基于单纯形加速法自动获取最大功率曲线的方法。该方法可在机组详细数据缺失或环境变化的条件下,实现风力发电机组功率曲线自校正。主控制器硬件在环RTDS(10)Bladed联合仿真实验及1.5 MW风力发电系统在Matlab/simulink平台的仿真结果验证了该方法的有效性。
Maximum power point tracking（MPPT） control strategy for large scale wind turbines is based on maximum power curve（MPC） of generator. However, there is a certain error in application of MPC to a specific unit. In addition, the unit MPC will deviate under long time operation of the machine and change of external environment conditions. A control strategy of self-optimizing power curve based on simple-optimization method is proposed to further optimize wind energy utilization of wind power generation system, realizing power curve self-correction of wind turbine under condition of lack of detailed data of the unit. Based on a 1.5 MW doubly-fed wind power generation system, the selfcorrection method is simulated in main controller hardwarein-loop RTDS（10）Bladed co-simulation experiments and Matlab/simulink. Experiment result verifies feasibility of the method in realizing optimization of system efficiency in a short time.
出处
《电网技术》
EI
CSCD
北大核心
2017年第10期3269-3276,共8页
Power System Technology
基金
国家自然科学基金项目(51677117)~~
