大规模光伏发电经串补输电线路并网系统强迫次同步振荡机制

林勇, 康佳乐, 余浩, 陈鸿琳, 杨彦霁, 陈武晖

Mechanism of Forced Subsynchronous Oscillation of Large-Scale Photovoltaic Power Generation Grid-Connected System with Series Compensation Tranmmission Lines

LIN Yong, KANG Jiale, YU Hao, CHEN Honglin, YANG Yanji, CHEN Wuhui

表3 光伏系统特征值

Tab.3 Eigenvalues of photovoltaic system

模式 特征值 f/Hz ζ /% λ1,2 -389.420± j6906.484 1099.200 5.630 λ3,4 -391.137± j6293.558 1001.651 6.203 λ5,6 -0.898± j313.284 49.861 0.287 λ7,8 -6.670± j61.992 9.866 10.698 λ9,10 -0.079± j3.272 0.521 2.438 λ11 -807.660 - - λ12 -792.464 - - λ13 -25.803 - - λ14 -25.758 - -