摘要
在对调研地区风能资源进行观测和统计的基础上,基于Wilson理论和Matlab编程语言对25kW定桨距直驱式风力机进行设计和仿真,并提出通过增大风轮直径、采用低速发电机可提高风力机在低风速地区的发电量。仿真结果表明:高风速风力机不适合在偏低风速地区使用,需以当地实测风资源统计结果为依据进行风力机的设计和选型工作;增大风轮直径、降低额定转速可将风力机额定功率点提前,增加风力机在低风速段的发电量。本文设计的风力机相比当地已使用的同型风力机在该地区的年发电量更大。
Wind energy resource assessment and wind turbine design are the prerequisite of carrying out the work of wind power generation. Firstly, a 25 kW fixed pitch-direct drive wind turbine was designed and simulated with the Wilson theory and Matlab programming language based on the measurement and evaluation in wind energy resource in a region. Then, the strategies increasing blade diameter and using low-speed generator to increase wind energy power under low wind speed were proposed. The simulation results show that the annual energy production of wind turbine newly designed is more than that of the same type of wind turbine which has already used in this region.
出处
《太阳能学报》
EI
CAS
CSCD
北大核心
2012年第4期564-570,共7页
Acta Energiae Solaris Sinica
基金
陕西省13115重大科技专项(2009ZDKG-33)
国家自然科学基金(51075326)
陕西省重点学科建设专项
关键词
风能评估
风力机
Wilson理论
定桨距
发电量
wind energy assessment
wind turbine
Wilson theory
fixed pitch
energy production
