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