Innovative insulation coating of the high-voltage line to reduce the corona effect Mikhail Okhotnikov, Flyur Ismagilov, Vyacheslav Vavilov, Tatiana Volkova and Alexander Nusenkis E3S Web of Conf., 389 (2023) 01082 Published online: 31 May 2023 DOI: 10.1051/e3sconf/202338901082