Variation coefficient gray correlation degree based short circuit current suppression scheme evaluation method
A technology of gray correlation degree and short-circuit current, which is applied in the fields of electrical digital data processing, special data processing applications, instruments, etc., and can solve the problems of difficult to achieve effective evaluation of short-circuit current suppression schemes.
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[0152] The technical scheme of the present invention mainly includes two parts, that is, the coefficient of variation method is used to determine the weight of the short-circuit current limiting measure effect index and the gray correlation analysis method is used to evaluate and select the short-circuit current suppression scheme.
[0153] Below, combined with the algorithm application process figure 1 , Describe the specific implementation of the proposed short-circuit current suppression scheme evaluation and selection method.
[0154] (1) Construct an evaluation matrix using the short-circuit current suppression effect indicators of each scheme;
[0155] (2) Perform index homogenization and de-dimensionalization processing on the evaluation matrix, and then obtain the standard matrix;
[0156] (3) Use coefficient of variation method and standard matrix to calculate the weight of each index;
[0157] (4) Use the gray correlation analysis method to calculate the gray correlation deg...
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