Impulse Current Generator
Arrester/MOV Test Impulse Current Generator (IEC 60099-4 Compliant)
Our impulse current generator performs critical quality screening tests on Metal Oxide Varistors (MOVs) and arrester discs, identifying defective elements during production using standardized impulse waveforms per IEC 60099-4.
Key Testing Capabilities
| Test Type | Waveform | Application |
|---|---|---|
| Energy Screening | 2ms rectangular impulse | Defective element removal |
| Standard Surge | 4/10μs & 8/20μs exponential | Basic protection testing |
| High-Energy Surge | 10/350μs exponential | Lightning protection validation |
System Configuration
Core Components
Impulse Capacitors: 100kV castor-oil insulated (aluminum foil/paper)
Pulse Forming Network: Resin-cast CrNi wire resistors & inductors
Triggering System:
2-sphere gap (electric trigger)
3-sphere gap (pneumatic operation)
Safety Features: Auto-discharge earth switch
Test Chamber Options
1-3 test positions (configurable)
Mobile or fixed installation
Integrated measurement systems
Technical Specifications
| Parameter | Specification |
|---|---|
| Waveform Durations | 2ms (rectangular), 4/10μs, 8/20μs, 10/350μs |
| Capacitor Rating | Up to 100kV (castor oil insulated) |
| Spark Gap | Tungsten alloy electrodes |
| Control System | Integrated measurement & triggering |
Quality Assurance Features
Check-pulse capacitor for firing verification
Welded steel capacitor housings with single bushings
Decade-proven pulse forming network design
Environmentally friendly castor oil insulation
Testing Workflow
Position MOV discs/arrester elements in test chamber
Select test waveform per IEC 60099-4 requirements
Initiate impulse sequence via control system
Automated measurement records response
System auto-discharges after testing
Why Choose Our Solution?
IEC-Compliant: Meets all 60099-4 testing requirements
Flexible Configuration: 1-3 test positions available
Robust Design: Military-grade components for longevity
Precision Measurement: Integrated high-accuracy transducers
Conclusion
Our impulse current generator provides complete MOV/arrester testing capability - from production-line 2ms rectangular wave screening to high-energy 10/350μs surge validation. The system's modular design accommodates both laboratory and production floor environments while ensuring full IEC 60099-4 compliance.
