| Descriptors |
Type testing, Electronic equipment and components, Ratings, Marking, Electrical protection equipment, Electrical testing, Transformers, Voltage, Partial discharges, Single-phase transformers, Induction-voltage regulators, Instrument transformers, Windings, Mechanical testing, Overvoltage tests, Environment (working), Errors, Capacitance, Electrical measuring instruments, Pollution, Temperature-rise limit, Electrical insulation, Secondary, Leakage paths, Rated frequencies, Classification systems, Electrical equipment, Primary, Ceramic coatings, Dissipation factor, Impulse-voltage tests, Accuracy, Withstand voltage, Rated voltage, Test equipment
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