Ключевые слова:
Power transformers, Small-power transformers, Transformers, Electrical safety, Electric power systems, Electrical equipment, Isolating transformers, Safety isolating transformers, Alternating-current transformers, Single-phase transformers, Polyphase transformers, Dry-type transformers, Stationary, Portable, Rated voltage, Rated frequencies, Power output, Safety measures, Classification systems, Marking, Symbols, Electric enclosures, Protected electrical equipment, Clearance distances, Leakage paths, Earthing, Temperature-rise limit, Electrical insulation, Dielectric strength, Overload protection, Type testing, Electrical testing, Dielectric-strength tests, Short-circuit current tests, Resistance measurement, Tracking tests, Thermal testing, Mechanical testing, Impact testing, Drop tests, Environmental testing, Corrosion tests, Fire tests, Switches, Cut-out devices, Electrical protection equipment, Flexible conductors, Electric terminals, Circuits, Cable glands, Screws (bolts), Torque, Windings, Test equipment