海上直驱风电经柔直并网系统的次/超同步振荡特性分析
张志强, 李秋彤, 余浩, 陈鸿琳, 孙海顺

Analysis of Sub/Super-Synchronous Oscillation of Direct-Drive Offshore Wind Power Grid-Connected System via VSC-HVDC
ZHANG Zhiqiang, LI Qiutong, YU Hao, CHEN Honglin, SUN Haishun
图6 风机出力变化对应的风场-柔直主导模态根轨迹
Fig.6 Root locus of dominant mode of wind farms and VSC-HVDC with changes of output of WTs