Table 1 Parameters of the simulation VSC system

Rated Power

2 MW

Z_T1⁺ = Z_T1^– = Z_T1⁰

0.005 + j0.21 p.u

Rated voltage

220 kV

Z_T2⁺ = Z_T2^– = Z_T2⁰

0.018 + j0.29 p.u

DC-link voltage

1200 V

Fault impedance Z_f

0.00027 p.u

C_f, L_f

0.0015 p.u., 0.002 p.u

k_{p_PLL}, k_{i_PLL}

0.8, 15

Z⁺_L = Z^–_L = Z⁰_L

0.0049 + j0.32 p.u

k_p, k_i of current loop

2.5, 20