双馈式变速恒频风电机组能量转换关系

qian300

邢作霞，陈雷，姚兴佳
(沈阳工业大学风能技术研究所 沈阳 110023 Email: xingzuox1976@163.com)
摘要：根据双馈式变速变距型风力发电机的设计特点和能量传输特性，机组可以在可变的叶
轮转速和可调的桨距角下运行，通过改变桨距角调整叶轮的能量捕获，通过叶轮转速的变化，
可以使双馈发电机运行在同步速之下或同步速之上，采用仿真工具可以描绘出整个机组的能
1 \) z; b' u  I/ v" u2 g! y流关系曲线。
) r8 c* d- l& _! [关键词：风电机组 变速变距 双馈发电机 能量转换
0 O$ ~; ?4 E$ c# gSimulation of Power Conversion of Doubly Fed Variable Speed Variable
: k! i2 t6 G' X# T6 }Pitch Wind Generation Set
! }/ m: L/ x8 t( N6 l' g9 _Xing Zuoxia, Chen Lei, Yao Xingjia
(Wind Energy Institute & Shenyang University of Technology, Shenyang, China , 110023)
(Email: xingzuox1976@163.com)
Abstract: This Wind Turbine can operate in variable speed and rotor pitch. Changing rotor pitch
under variable wind speed can regulate the power capture. The doubly fed generator can operate in
" @  T) h# y7 U, U; n1 K7 Runder-synchronous speed and super-synchronous speed according to the variable rotor speed.
$ x9 t  @  b3 tUsing the simulate tools, we can get the power conversion curve of the whole wind generation set.
4 `3 @1 H! o; b8 I7 ^& A+ xKey words: wind generation set, variable speed variable pitch, doubly fed generator, power
5 U+ X- j' ~: Z/ h, _& x8 E- h7 w. xconversion.