Power System Frequency Estimation Method in the Presence of Harmonics. - Hui Xue; Maohai Wang; Rengang Yang; Yan Zhang (IEEE Trans. Instrum. Meas., 2016)

Limit cycle in the ultra-low-frequency oscillation of islanded power systems. - Xiaomin Lu; Lei Chen 063; Yiwei Zhang; Yong Min; Maohai Wang (ICCA, 2017)