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The aim of the study was to determine the intensity distribution of optical radiation in the range of: ultraviolet, visible and infrared, emitted by electrical discharges. Optical spectra were analyzed for different configurations types of high voltage electrodes for the possibility of using the obtained spectra to recognize these configurations types. Studies were conducted in laboratory conditions for electrodes of different geometrical shapes. Electric discharges were generated in the air under identical atmospheric conditions. The applied experimental method was based on the registration of the emitted optical radiation intensity. For the analysis of the emission radiation in the ultraviolet, visible and infrared range, was used the method of optical spectroscopy based on a high-resolution spectrometer with a spectral range of 200 nm - 1100 nm. Additionally was used an UV camera for detailed analysis of the phenomenon in the ultraviolet range.
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Kozioł et al. (2018) studied this question.