Method for the diagnosis of high-voltage dielectric elements during operation based on dynamic registration of electromagnetic radiationDmitry Ivanov, Tatyana Galieva, Marat Sadykov, Alexander Golenischev-Kutuzov and Anatoly NaumovE3S Web of Conf., 216 (2020) 01061DOI: https://doi.org/10.1051/e3sconf/202021601061