%0 Journal Article %T Development of Stationary Device for Diagnostics of Low-Maintenance Grounding System of Catenary Poles Being on Alternating Current %A Agunov, A.V. %A Terehin, I.A. %A Lavruhin, D.D. %A Baranov, I.A. %K Low-maintenance system, grounding system, diagnostics and monitoring, alternating current, catenary pole %J Proceedings of Petersburg Transport University %D 2022 %N 19 %P 12 %I FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"