基于爬山法的MPPT风力发电控制研究  

MPPT Wind Power Generation Control Based on Hill Climbing Method

作　　者：孟德越 马力 宋翔宇 MENG De-yue;MA Li;SONG Xiang-yu(College of Mechanical and Electrical Engineering,Cangzhou Normal University,Cangzhou,Hebei 061001,China)

机构地区：[1]沧州师范学院机械与电气工程学院,河北沧州061001

出　　处：《沧州师范学院学报》2021年第1期60-64,共5页Journal of Cangzhou Normal University

基　　金：沧州市重点研发计划指导项目“基于PLC的风光互补发电控制系统研究”,编号:192103004;沧州师范学院校内科研基金青年项目“微电网储能用双向直流变换器研究”,编号:xnjjl1915;2019年度沧州师范学院校级教研教改课题“PLC项目式教学内容建构与实践”,编号:2019JGC048.

摘　　要：风力发电机是一种将风能转化机械能、再将机械能转化为电能的装置.采取最大功率点跟踪(MPPT)技术可以有效利用风能,提升发电效率.首先,对风力机和发电机进行了数学建模,并搭建了simulink模型;其次,根据风力机的功率曲线分析了最大功率跟踪的原理,搭建了基于爬山法的控制的simulink仿真模型,并以BUCK电路作为阻抗匹配单元搭建整体仿真电路,实现最大功率跟踪.仿真结果符合预期,验证了控制方案的正确性.Wind-driven generator is a kind of device that converts wind energy into mechanical energy and mechanical energy into electrical energy.Maximum power point tracking(MPPT)technology can effectively utilize wind energy and improve power generation efficiency.Firstly,a mathematical modeling for wind turbine and generator is set up and then a simulink model.Secondly,according to the power curve of the wind turbine,the principle of maximum power point tracking is analyzed,and the MPPT control scheme based on the mountain-climbing method is built,and the BUCK circuit is used as the impedance matching unit to build the overall simulation circuit,so as to achieve the maximum power tracking.The simulation results are in line with expectations,verifying the correctness of the control scheme.

关 键 词：风力发电 MPPT 爬山法 

分 类 号：TM46[电气工程—电器]