Identification method for GIS local discharge mode
A partial discharge and recognition method technology, applied in the field of pattern recognition, can solve the problems of dimensionality reduction effect affected by parameters, complex calculation, and data ambiguity between classes, so as to improve sample processing speed, improve recognition effect, and improve recognition effect Effect
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[0028] The technical solution of the present invention is further described below, but the scope of protection is not limited to the above.
[0029] Such as figure 1 As shown, a method for identifying partial discharge patterns in GIS includes the following steps:
[0030] Step 1: Obtain the original partial discharge signal parameters of the gas insulated switchgear, construct a partial discharge pattern map, and extract the characteristic parameter FP according to the map;
[0031] Step 2: Use the linear discriminant analysis method to calculate the contribution rate and cumulative contribution rate of each map extracted feature parameter FP to determine the conversion matrix, and determine the feature parameter FPA after dimensionality reduction according to the cumulative contribution rate in the conversion matrix;
[0032] Step 3: Determine the optimal smoothing factor value of the probabilistic neural network according to the feature parameter FPA after dimensionality reduction; ...
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