300kV Lightning Impulse Voltage Current Generator for Gas-Insulated Switchgear (GIS) Testing
The SXCF Series Lightning Impulse Voltage Current Generator is engineered for comprehensive testing of high-capacity electrical equipment, specifically designed for Gas-Insulated Switchgear (GIS) systems and other critical power infrastructure components.
Application Scope
This generator performs full-wave lightning impulse voltage tests on large capacity power transformers, transformers, reactors, arresters, switches, casings, insulators, and various test materials.
Available Waveforms
- Standard lightning impact waveform: T1/T2=1.2/50μs
- Standard operating impact waveform: Tcr/T2=250/2500μs
- Special impact voltage waveforms including custom operation shock waves
- Custom waveforms available based on client requirements
Key Features
- Complete equipment with comprehensive voltage level coverage and full voltage capacity series
- Advanced no partial discharge epoxy insulator technology
- Minimal electric inductance in the return circuit for optimal performance
- User-friendly operation with convenient wave adjustment capabilities
- Excellent synchronization performance and reliable motion control
- High automation with strong anti-interference capacity
- Chopping gap for performing precise cut-wave tests
- Shunt resistor ensuring accurate current waveform recording during tests
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 |