5Swift F J, Wang H F. The connection between modal analysis and electric torque analysis in studying the oscillation stability of multi-machine power systems[J]. Electrical Power & Energy Systems.1997, 19(5): 321-330.
6Shaltout A A, A-Feilat R A, Damping and synchronizing torque computation in multimachine power systems[J]. IEEE Trans. Power Syst., 1992, 7(1): 280-286.
7E. Abu-Al-Feilat, M. Bettayeb, H. Al-Duwaish et. al. Neural network-based approach for on-line dynamic stability assessment using synchronizing and damping torque coefficients [J]. Elecuic Power Systems Research, 1996, 39(2): 103-110.
8Abu-Al-Feilat E A, Younan N, Grzybowski S. Estimating the synchronizing and damping torque coefficients using Kalman filtering[J]. Electric Power Systems Research., 1999, 52(1): 145-149.
