An Improved Phase-Locked-Loop Control with Alternative Damping Factors for VSC Connected to Weak AC System

Table 2

Eigenvalues of the test model.

	SCR = 1.37 ( = 1.33 pu)	SCR = 1.22 ( = 1.5 pu)
λ8,9	−5.3 ± j23.1	5.2 ± j21.7