A note on L2-gain analysis for power systems with delayed load frequency control schemes

Abstract This paper investigates L 2 -gain analysis of power systems with delayed load frequency control schemes. Based on a new delay form, new functionals which may be more general than some existing Lyapunov-Krasovskii functionals are developed. Then, new L 2 -gain criteria are derived with the help of the functionals. Finally, some comparisons are made to show that the obtained criteria are effective.