Method and system for recognition of GIS ultrahigh frequency partial discharge signal
A discharge signal and recognition method technology, applied in neural learning methods, testing dielectric strength, biological neural network models, etc., can solve problems such as low reliability and accuracy, sensitivity to initial weight thresholds, and falling into local minima , to achieve the effect of improving efficiency and accuracy, avoiding local optimum, and overcoming accuracy
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[0020] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0021] see figure 1 As shown, a GIS UHF partial discharge signal identification method includes the following steps:
[0022] Step S101, preprocessing the GIS UHF partial discharge signal to obtain Three-dimensional spectrogram, then enter step S102; Wherein, is the phase, q is the discharge amplitude, and t is the predetermined continuous cycle.
[0023] As a preferred embodiment, the above-mentioned preprocessing process may specifically include the following:
[0024] Step S1011, collecting GIS UHF partial discharge signals for a predetermined number of consecutive (for example, 50) periods (1s) as a discharge sample, and uniformly storing the discharge signals in the form of single-cycle data to obtain the 3D spectrogram;
[0025] Step S1012, filtering out the interference mixed with the collected GIS UHF ...
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