Stability Analysis of Two-Area LFC Power Systems With Two Additive Interval Time-Varying Delays
Yizhen Ling,
Zhiwu Xiong,
Weijian Guan
et al.
Abstract:In this paper, the stability problem of load frequency control (LFC) based power systems with two additive interval time-varying delays is studied. Firstly, considering the time delays of transmission from control center to regulator and sensor to control center, the mathematical model of two-area LFC power system based on proportional integral control is established. Secondly, under the condition that the lower bounds of interval time-varying delays are non-zero, an augmented Lyaounov-Krasovskii functional (L… Show more
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