Custom Transformer Lightning Surge Impulse Voltage Generators for Test

1.CJDV-4000 Impulse voltage generator

• Rated voltage: ±4000kV • Rated energy: 400kJ
• Rated impulse capacitance: 50.0nF • Rated charging voltage each stage: ±200kV
• Number of stage: 20 • Stage energy: 20.0kJ
• Stage capacitance: 1.0F/200kV,2.0F/100kV
• Waveform:
Standard lightening impulse:1.2/50μS Efficiency: 85 ~ 90% (1.2±30%/50±20%μS)
Switch impulse: 250/2500μS Efficiency: 65 ~ 70% (250±20%/2500±60%μS)
Chopping wave: 2 ~ 6μS variable
• Generator dimension and weight(for reference)
Dimension: 3674mm(W)×5500mm(L)×14900mm(H) Weight: 26700kg

2.Environment

• Maximum altitude: 1000 m • Altitude increases 100m, and rated voltage lowers 1%
• Operation temperature for HV component: +10 ~ +45ºC • HV component relative humidity (non-condensing) 95 %
• Temperature for electronic control & measuring: +10 ~ +45ºC

• Anti-seismic: Grade 8
• Relative Humidity of electronic components: 80%

• Grounding resistance: < 0.3
• Components storing and transport temperature: 20 ~ + 60ºC

• No dust

3.Main technical parameter

• Rated voltage: ±100kV ~ 6000kV(and above) • Rated energy: 2.5kJ ~ 240kJ
• Rated charging voltage: ±100kV ±200kV
• Stage capacitance: 1.0μF/200kV 2.0μF/100kV(according to total capacitance)
• Standard lightening impulse: 1.2/50μS efficiency: 85 ~ 90% (1.2±30%/50±20%uS )
• Switch impulse: 250/2500μS efficiency: 65 ~ 70% (250±20%/2500±60%uS )

4.System components

IVG-Impulse generator 1 set LGR-DC charging system     1 set
CR- Low impedance capacitive divider 1 set IGCS-Intelligent control system    1 set
IVMS-Digital measure and analyze system 1 set MCG-Multi-gap chopping device    1 set