An Enhanced Transfer Delay-Based Frequency Locked Loop for Three-Phase Systems With DC Offsets. - Zhiyong Dai; Peiqi Zhao; Xiaolei Chen; Mingdi Fan; Juxiang Zhang (IEEE Access, 2019)

Fast Amplitude Estimation for Low-Voltage Ride-Through Operation of Single-Phase Systems. - Juxiang Zhang; Peiqi Zhao; Zhen Zhang 030; Yongheng Yang; Frede Blaabjerg; Zhiyong Dai (IEEE Access, 2020)