Research on Transient Synchronization of Wind Turbines Based on the Analysis of Phase - Locked Loop Damping Ratio and the Improved Voltage Normalization Control Strategy. - Yuheng Yang; Zekang Xiao; Qihui Liu; Xipeng Cai; Yihua Zhu; Chao Luo; Xueshen Cui (IECON, 2025)