中国电机工程学报2011，Vol.31Issue(z1)：7-11,5.
考虑并网风电随机波动的电力系统小干扰概率稳定性分析
Effect of Stochastic Variation of Grid-connected Wind Generation on Power System Small-signal Probabilistic Stability
杜文娟 1卜思齐 1王海风1
作者信息
- 1. 英国贝尔法斯特女王大学,英国贝尔法斯特BT7 1NN
- 折叠
摘要
Abstract
The impact of stochastic uncertainty brought about by a grid-connected wind farm penetration on power system small-signal stability was investigated in this paper. An analytical method to carry out the probabilistic analysis was proposed. From the cumulative distribution function of wind speed of the wind farm, the moments and cumulants of the grid-connected wind power generation were calculated. Then the cumulants and central moments of the real-part of the system critical eigenvalues were computed. Finally the cumulative distribution function of real-part of the system critical eigenvalues was reconstructed by using the Gram-Charlier expansion. Thus the small-signal stability of power systems as affected by the grid-connected wind generation was determined.关键词
电力系统/小干扰概率稳定性/并网风电/Gram-Charlier级数展开Key words
power systems/ small-signal probabilistic stability/ grid-connected wind generation/ Gram-Charlier expansion分类
信息技术与安全科学引用本文复制引用
杜文娟,卜思齐,王海风..考虑并网风电随机波动的电力系统小干扰概率稳定性分析[J].中国电机工程学报,2011,31(z1):7-11,5.
