Product Description 450kV 20kJ High Voltage Impulse Voltage Test System for Lighting Test Impulse Voltage Test System is used for the full-wave and cut wave tests of standard lightning impulse voltages for power transformers reactors lightning rods switches bushings insulators and other test products with voltage classes of 35kV and below. Product Characteristics Rated parameter value Rated nominal voltage ±450kV Rated voltage ±150kV Rated energy 20kJ Total impulse capacitance 0.20F The total series 3 series Rated power capacity The following waveforms can be generated when the load capacitance is 300~5000PF 2±30%/50 ±20%s Lightning impulse voltage full waveï¼?The efficiency of voltage 92%(no-load ) standard impulse voltage cut wave 2~6 The efficiency of voltage 92% (no-load) The impulsevoltage waveform parameters all meet the requirements of IEC and GB311-97 national standards Class voltage within 10% ~ 100% rated voltage range positive and negative synchronous range is not less than 20%. Ignition range 10%ï½?100% Synchronous discharge rate out of control 2% Minimum output voltage 10un Charging voltage instability ±1.0% Service duration: > over 70% UN rated voltage can operate continuously every 90 seconds. Under the rated voltage of < 70% UN charging and discharging once every 45 seconds can run continuously.