Bifurcation behavior and coexisting motions in a time-delayed power system*
Ma Mei-Ling, Min Fu-Hong†
The phase portrait of coexistence of period-3 and period-2 orbits. (a) δ – ω , (b) δ – E ′, (c) δ – E fdr, (d) ω – E ′, (e) ω – E fdr, and (f) E ′– E fdr.