■ Features
▲ It can output the square wave current 2000μs specified by the standard and can measure the residual pressure of the sample.
▲ It can output the standard lightning impulse current 4/10μs, lightning impulse current 8/20μs, steep wave impulse current 1/20μs, operating impulse current 30/80μs and square wave current waveform and can measure the residual voltage of the sample.
▲ The residual voltage of the sample corresponding to the required waveform and current is less than 10kV.
■ Technical parameters
▲ Square wave impulse current
Waveform: 2000μs, 2400μs
Maximum current: 1.5±5% kA
▲ Lightning impacts high current
Waveform: (3.5 to 4.5)/(9 to 11) µs
Maximum current: 100±5% kA
Reverse polarity oscillation peak is less than 20% of current peak
▲ Lightning impulse current
Waveform: (7 ~ 9)/(18 ~ 22) µs
Maximum current: 40±5% kA
Reverse polarity oscillation peak is less than 20% of current peak
▲ Steep wave impulse current
Waveform: (0.9 ~ 1.1)/(18 ~ 22) µs
Maximum current: 10±5% kA
▲ Operating impulse current
Waveform: 30/80µs
Maximum current: 40±5% kA
▲ Impulse current
Waveform: 18/40µs
Maximum current: 20±5% kA
▲ Rated value
1) 8 sets of 50kV/8μF pulse capacitors
Rated voltage: ±50kV
Rated capacity: 64μF
Rated energy: 80kJ
2) 8 sets of 50kV/8μF pulse capacitors, two series and four parallel, rated voltage: ±100kV
Rated capacity: 16μF
Rated energy: 80kJ
3) 10 sets of 35kV/8μF pulse capacitor rated voltage: ±35kV
Rated capacity: 80μF
Rated energy: 49kJ
4) Current waveform and amplitude: 4/10μS positive and negative lightning impulse current waveform, amplitude 100kA; 8/20μS positive and negative polarity operating impulse current waveform, amplitude 40kA; wave head time 1μS steep impulse current waveform , Amplitude 20kA; 30/80μS positive and negative polarity operating impulse current, amplitude 2kA; 2ms square wave impulse current, amplitude 1.5kA, 18/40μS impulse current, amplitude 20kA, waveform deviation does not exceed IEC and national standards Waveform requirements
5) Duration of use: >70%In can be charged and discharged every 90 seconds for continuous operation >70%, <70%In can be charged and discharged every 60 seconds for continuous operation