Passivity Enhancement of Grid-Tied Converters by Series LC-Filtered Active Damper. - Haofeng Bai; Xiongfei Wang; Poh Chiang Loh; Frede Blaabjerg (IEEE Trans. Ind. Electron., 2017)

VSC Input-Admittance Modeling and Analysis Above the Nyquist Frequency for Passivity-Based Stability Assessment. - Lennart Harnefors; Raphael Finger; Xiongfei Wang; Haofeng Bai; Frede Blaabjerg (IEEE Trans. Ind. Electron., 2017)