Descriptors | Power transformers, Railway electric traction equipment, Transformers, Inductors, Vehicles, Electrically-operated devices, Windings, Tappings (electrical), Coolants, Temperature rise, Alternating current, Rated voltage, Rated power, Type testing, Quality control, Electrical tolerances, Electrical impedance, Electrical testing, Mechanical testing, Vibration testing, Inductance measurement, Railway equipment, Railway vehicles, Electrical equipment, Classification systems Railway applications |