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
3 E* o( X: m1 n1 U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，
6 m/ K( L# \1 `* q! \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
$ d* i) n* R/ t- }; L9 [( m9 K流关系曲线。
; f; v" Y! B' _/ f* M4 Y9 s关键词：风电机组 变速变距 双馈发电机 能量转换
Simulation of Power Conversion of Doubly Fed Variable Speed Variable
0 T6 k+ c2 ]# b& a$ M: c- c$ ?Pitch Wind Generation Set
  s* C; @! h8 c' dXing Zuoxia, Chen Lei, Yao Xingjia
4 x& r$ s# ^* w  e5 C" J* x(Wind Energy Institute & Shenyang University of Technology, Shenyang, China , 110023)
1 U, |+ N/ C9 k. Z8 X(Email: xingzuox1976@163.com)
, z: `& p/ b6 GAbstract: This Wind Turbine can operate in variable speed and rotor pitch. Changing rotor pitch
1 v8 U! W: \$ V4 }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.
Using the simulate tools, we can get the power conversion curve of the whole wind generation set.
* S. B5 S% c3 @$ S: R7 P; R, |Key words: wind generation set, variable speed variable pitch, doubly fed generator, power
conversion.