Small Signal Instability of PLL-Synchronized Type-4 Wind Turbines Connected to High-Impedance AC Grid During LVRT - Hu, Jiabing; Hu, Qi; Wang, Bo; Tang, Haiyan; Chi, Yongning (IEEE transactions on energy conversion, 2016)
Keywords: Alternating current control (ACC); Damping; Dynamic models; Dynamic stability; Eigenvalues; High impedance; high impedance AC grid; Impedance; interaction; LVRT; Modal analysis; phase locked loop (PLL); Phase locked loops; Power system stability; small signal stability analysis; Stability; Stability analysis; Voltage control; Voltage fluctuations; Voltage sags; Wind turbines