400kV/20kJ Lightning Impulse Withstand Voltage Test System
High-voltage electrical testing equipment designed to generate artificial impulse voltages that model transient over-voltage wave shapes occurring in power grid systems.
System Overview
The SXCF Series Lightning Impulse Withstand Voltage Test System simulates various electrical transient conditions for comprehensive high-voltage testing applications.
Waveform Capabilities
- Lightning impulse waveform generation
- Chopped lightning impulse testing
- Switching impulse simulation
- Fast transient analysis
Technical Characteristics & Advantages
- Industrial computer + PLC fiber optic control system with fully automatic test control
- Automatic polarity switching capability
- Multimode fiber optic communication between industrial computer and PLC
- USB communication interface between oscilloscope and computer
- Integrated rigid grounding or electromagnetic grounding system
- Comprehensive technical proposal for testing equipment system validation
400kV/20kJ Lightning Impulse Withstand Voltage Test System
Key Components: Chopping gap for cut-wave tests | Shunt resistor for accurate current waveform recording
Technical Specifications
| Parameter |
Specification |
| Impulse Voltage Grade |
100kV - 7200kV |
| Standard Lightning Wave |
1.2±30%/50±20%µS |
| Peak Oscillation |
5% |
| Standard Switching Wave |
250±20%/2500±60%µS |
| Virtual Front Time of Oscillating Lightning Wave |
15µS |
| Virtual Front Time of Oscillating Switching Wave |
15µS - 1µS |
| Minimum Output Voltage |
10%Un |
| Charging Voltage Instability |
1% |
| Synchronizing Range |
20% |
| Synchronous Discharge Error Rate |
2% |
| Ignition Range |
10% - 100% |
| Working Time |
70%UN Discontinuous work (charge-discharge 300s/time)
70%nn Continuous work (charge-discharge 120s/time) |
| Generator Efficiency |
Lightning wave (no load) - 90% |
| Time to Chopping |
2-5µS |