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
2 U' R8 h4 s+ \" }: \7 i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，
( P$ e4 {; |6 y( n* [1 N/ ~* ~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
流关系曲线。
6 h  |* \* ?& t# i5 ]9 g关键词：风电机组 变速变距 双馈发电机 能量转换
6 O. l# @$ E7 j8 u6 `Simulation of Power Conversion of Doubly Fed Variable Speed Variable
Pitch Wind Generation Set
Xing Zuoxia, Chen Lei, Yao Xingjia
. u1 L: G' U% {* L; R- e* v4 H(Wind Energy Institute & Shenyang University of Technology, Shenyang, China , 110023)
(Email: xingzuox1976@163.com)
* z- y% C$ r% j% y: H/ z' Z) M1 V/ mAbstract: This Wind Turbine can operate in variable speed and rotor pitch. Changing rotor pitch
6 O3 |& X+ R4 t% qunder 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.
' |/ O: U  J2 \, ^Key words: wind generation set, variable speed variable pitch, doubly fed generator, power
conversion.