Ключевые слова:
Impulse-voltage tests, Partial discharges, Three-phase current, Type testing, Voltage, Electron tubes, Approval testing, Semiconductor devices, High-voltage tests, Overvoltage tests, Direct-current power transmission, Dielectric-strength tests, Short-circuit current tests, High-voltage equipment, Electromagnetic tests, Electric convertors, Direct current, Electric power transmission, Electrical testing