Generator excitation system parameter identification algorithm based on improved grey wolf algorithm
A technology of excitation system and parameter identification, applied in the field of power system, to achieve the effect of enhancing population diversity and improving the effect of easily falling into local optimum
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[0054] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and should not limit the protection scope of the present invention.
[0055] Such as figure 1As shown, in order to realize the identification of the excitation system parameters, the original model of the excitation system and the actual system model are established first. The error square measure E is used as the evaluation function to evaluate the fitness. The smaller the value of the error function, the greater the fitness of the individual. Update the parameter values of A and C according to the gray wolf group hunting strategy and a nonlinear decreasing strategy, thereby updating the ω wolf pack, and judging whether the group algebra has reached the set value. If it has reached the set value, then output the position of the α wolf and end the calcula...
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