The stochastic dynamic interval model of power systems with asynchronous wind turbine generators is established with\nconsideration of the interval uncertain parameters and random small excitation disturbances. The conditions of interval mean\nstability and interval mean square stability of the power systems are proposed. The relationship between the bounds of the mean\n(mean square) error and the parameter interval range of the systems is discussed. Finally, we simulate the power systems to\ndemonstrate the effectiveness of the proposed results.
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