200kV/20kJ Impulse Withstand Voltage Test Machine
Lightning Impulse Voltage Generator
The SXCF Series Lightning Impulse Voltage Generator produces high artificial impulse voltages that simulate transient overvoltage wave shapes occurring in power grid systems.
Waveform Capabilities
Lightning impulse
Chopped lightning impulse
Switching impulse
Fast transient
Key Features
Complete equipment with wide voltage level coverage
Small electric inductance with band-stop filtering for standard impulse waves under large capacity loads
High voltage utilization coefficient
Convenient wave adjustment with simple operation and excellent synchronization
Automatic control technology for constant-current charging with strong anti-interference capacity
Digital measurement and analysis system for impulse test data
Test Components
Chopping Gap
Performs cut-wave tests for precise waveform control
Shunt Resistor
Ensures accurate current waveform recording during tests
Technical Specifications
| 1 |
Impulse voltage grade |
100kV-7200kV |
| 2 |
Standard lightning wave |
1.2±30%/50±20%µS |
| 3 |
Peak oscillation |
5% |
| 4 |
Standard switching wave |
250±20%/2500±60%µS |
| 5 |
Virtual front time of oscillating lightning wave |
15µS |
| 6 |
Virtual front time of oscillating switching wave |
15µS-1µS |
| 7 |
Minimum output voltage |
10%Un |
| 8 |
Charging voltage instability |
1% |
| 9 |
Synchronizing range |
20% |
| 10 |
Synchronous discharge error rate |
2% |
| 11 |
Ignition range |
10%-100% |
| 12 |
Working time |
70%UN Discontinuous work (charge-discharge 300s/time)
70%nn Continuous work (charge-discharge 120s/time) |
| 13 |
Generator efficiency |
Lightning wave (no load) - 90% |
| 14 |
Time to chopping |
2-5µS |