Ключевые слова:
Overhead contact systems, Maintenance, Type testing, Railway vehicle components, Overhead power lines, Railway equipment, Approval testing, Railway electric traction equipment, Thermal testing, Vibration, Performance testing, Vibration testing, Current-collecting equipment, Traction-current-collecting devices, Visual inspection (testing), Reliability, Mechanical tolerances, Urban railways, Endurance testing, Static loading, Overhead contact lines, Railway vehicles, Railway applications