Ключевые слова:
Transformers, Temperature-rise limit, Electric enclosures, Electrical equipment, Electrical measuring instruments, Electrical insulating materials, Dielectric measurement, Leakage paths, Mechanical testing, Rated current, Electrical testing, Ratings, Windings, Rated voltage, Marking, Electromagnetic compatibility, Grades (quality), Accuracy, Environment (working), Impulse voltages, Electrical insulation, Partial discharges, Type testing, Impulse-voltage tests, Temperature, Instrument transformers, Performance testing, Classification systems, Electrical measurement, Overvoltage tests, Capacitance measurement, Withstand voltage