摘要
为了降低风电场并入电网对电力系统的小干扰稳定可能带来的影响,建立了双馈感应发电机数学模型和桨距角控制模型,根据小干扰稳定理论,在PSAT平台上对风电场接入一个单机无穷大系统和WSCC 3机9节点系统进行特征值计算和小干扰稳定分析。仿真算例分析结果表明,与风电机组强相关的振荡模式阻尼特性良好,系统振荡稳定。
In order to decrease,the influence of the integration of wind farm with network on the small signal stability of electric power system, the mathematical model of DFIG and control model of propeller pitch are established, and on the basis of small signal stability theory the eigenvalue calculation and small signal stability analysis of single machine infinite bus system and WSCC three - machine with 9 bus system are carried out on PSAT platform. Simu- lation result shows that the characteristic of oscillating damp relating to DFIG is good and the system oscillation,is stahle.
出处
《黑龙江电力》
CAS
2012年第5期337-339,352,共4页
Heilongjiang Electric Power
关键词
风电场
电力系统
双馈感应发电机
小干扰稳定
wind farm
electric power system
doubly - fed induction generator
small signal stability
