TY JOUR TI APPLICATION OF CABLE LINES IN DC RAILWAY POWER SUPPLY SYSTEMS KW traction power supply systems KW XLPE cable KW modeling JO Modern Technologies and Scientific and Technological Progress AU Kryukov, A.V. AU Nguyen, Q.H. AU Chan, Z.H. PY 2026 IS 2026 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»