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With interconnection of power grid, power system scale becomes larger, and operating condition becomes more variable. Rapid identification of system model is helpful for online analysis and wide-area control of power system. Based on wide-area measurements, a general formulation of Prony algorithm is brought forward to identify power system transfer function. Principles of input signals and sampling...
Recent technological advances in the area of wide-area measurement systems (WAMS) has enabled the use of centre of inertia (COI) signals to improve the transient stability of large power systems. However there is an unavoidable delay involved before COI signals are received at generators. Conventional excitation control of generators is brought forward again to enhance power system stability with...
WAMS (wide-area measurement systems) involve all kinds of communicating channels. Different channels have different time delays and randomicity of time-delay. So closed-loop power systems ought to be modeled as nonlinear dynamic systems with multiple time delays and varying time delays. A method is proposed in this paper to design a controller that can adapt to feedback signals with multiple time...
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