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13 传输有功功率变化对应的柔直-交流系统主导模态根轨迹
Fig.13 Root locus of dominant mode of wind farms and AC grid with changes of active power