Abstract
In view of the low stability of conventional insulator detection technology and the inability to realize insulator detection in complex working environment, a composite insulator detection technology based on optical field sensing and Fourier spectrum combined detection is proposed. Optical field and spectral data of insulators are collected by optical sensor probe and interferometer. The relationship between light intensity and electric field intensity is obtained by processing the optical electric field data of insulator. Fourier transform is carried out on the insulator spectral image, and the full Fourier spectrum of the normal insulator is taken as a reference. Combined with the analysis of the optical electric field data of the insulator, the fault location and fault cause of the composite insulator are located and detected, so as to realize the joint detection of the insulator. Compared with the conventional detection technology, the proposed joint detection technology has better stability and is more suitable for complex working environment.
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