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)
: P) X! M. F' g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
; ?; ?6 {2 d# p8 O流关系曲线。
关键词：风电机组 变速变距 双馈发电机 能量转换
& J5 q9 i' h* K* g' Q. ]% g1 {Simulation of Power Conversion of Doubly Fed Variable Speed Variable
Pitch Wind Generation Set
( w% y: R; s& x+ i% b: {Xing Zuoxia, Chen Lei, Yao Xingjia
. |  c* ?: p7 k6 I(Wind Energy Institute & Shenyang University of Technology, Shenyang, China , 110023)
6 Q; _7 U1 O, R0 j, t3 E8 n(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
under-synchronous speed and super-synchronous speed according to the variable rotor speed.
* c8 v! q  s, E6 C1 RUsing the simulate tools, we can get the power conversion curve of the whole wind generation set.
! o) N8 O6 |8 }5 GKey words: wind generation set, variable speed variable pitch, doubly fed generator, power
/ R# l+ |* J1 ?8 }conversion.