Keywords:
Power output, Potential transformers, Electrical measuring instruments, Ratings, Windings, Overvoltage tests, Marking, Rated voltage, Electrical testing, Withstand voltage, Type testing, Temperature-rise limit, Electrical protection equipment, Transformers, Impulse-voltage tests, Electrical insulation, Instrument transformers, Three-phase transformers, Partial discharges, Rated frequencies, Test equipment, Short-circuit currents, Circuits