From: Battery energy storage-based system damping controller for alleviating sub-synchronous oscillations in a DFIG-based wind power plant
Modes
Eigenvalue
Frequency(Hz)
Mode 1
− 17.93 ± j887
141.2
Mode 2
− 16.2 ± j524.5
83.51
Mode 3
− 1.5 ± j229.2
36.49
Mode 4
− 49.4 ± j10.9
1.73
Mode 5
− 0.63 ± j18.8
2.99
Mode 6
− 4.5 ± j10.2
1.62