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Table 5 Eigenvalues of the study system model with BESSDCL AT 50% FSC transmission line and 7 m/s wind speed±

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