<1000KV Range
LQHCG 400KV-600pF Multiple Chopping Gap: Advanced High Voltage Testing Solution
Product Introduction
The LQHCG 400KV-600pF Multiple Chopping Gap represents cutting-edge technology in high voltage impulse testing equipment. This mobile system features a 400kV rating with 600pF capacitance, delivering exceptional performance for demanding high voltage applications. The innovative design combines precision engineering with advanced electronic controls for reliable chopped wave generation.
Key Features
400kV maximum operating voltage
600pF high voltage capacitor bank
Precision timing (σ≤0.1μs)
Four-pair tungsten-enhanced sphere gap
Electronic distance control (0.5mm resolution)
Mobile platform with polyurethane wheels
Technical Specifications
| Parameter | Specification |
|---|---|
| Rated Voltage | +400kV DC/Impulse |
| Capacitance | 600pF ±5% |
| Chopped Wave Duration | 2-6μs (adjustable) |
| Voltage Range | 20%-100% of rated voltage |
| Timing Accuracy | Standard deviation ≤0.1μs |
Mechanical Configuration
Sphere Gap: 4 pairs (8 units)
Electrode Diameter: 250mm
Electrode Material: Tungsten-inlaid discharge area
Mobility: Polyurethane wheeled base with fixed brace
Gap Adjustment: Electrically operated transmission system
Positioning Accuracy: ≤1mm error, 0.5mm resolution
Electrical Performance
Damping Resistance: 3 adjustable resistors (100Ω, 200Ω)
Temperature Coefficient: Near-zero for stable performance
Synchronization Rate: >98%
False Trigger Protection: No malfunction under trigger signal
Control System Features
Precision Timing Control
Electronic delay line adjustment
Digital display of gap distance
Remote operation capability
Integrated safety interlocks
Trigger System
High-reliability triggering (>98%)
External signal compatibility
No false triggering
Automatic synchronization
| Performance Metric | Value |
|---|---|
| Chopping Time Stability | σ≤0.1μs |
| Gap Positioning Repeatability | ±0.5mm |
| Voltage Adjustment Resolution | 1% of range |
| System Response Time | <10ms |
Typical Applications
High Voltage Equipment Testing
Transformer impulse withstand tests
GIS (Gas Insulated Switchgear) testing
Surge arrester performance evaluation
Research & Development
Dielectric material studies
Breakdown phenomena research
High voltage component development
Quality Assurance
Cable system impulse tests
Insulation coordination verification
Protective device calibration
Safety Features
Automatic discharge system
Interlocked access doors
Emergency stop controls
Grounding verification system
Visual and audible warning systems
| Safety Parameter | Value |
|---|---|
| Clearance Distance | 4m minimum |
| Discharge Time | <60s to 50V |
| Insulation Resistance | >1000MΩ |
Maintenance Guidelines
Routine Maintenance
Daily electrode inspection
Weekly cleaning of sphere surfaces
Monthly mechanical system check
Quarterly electrical verification
Calibration Schedule
Gap distance calibration: Every 6 months
Timing accuracy verification: Annually
Voltage measurement calibration: Annually
Complete system overhaul: Every 2 years
Conclusion
The LQHCG 400KV-600pF Multiple Chopping Gap sets new standards in high voltage testing equipment with its 400kV rating, 600pF capacitance, and exceptional timing precision (σ≤0.1μs). The mobile design with polyurethane wheels and precision gap adjustment system (0.5mm resolution) provides unmatched flexibility in laboratory and field applications. With tungsten-enhanced electrodes, near-zero temperature coefficient resistors, and >98% synchronization reliability, this system delivers consistent, accurate results for the most demanding high voltage testing requirements. When operated according to manufacturer guidelines and with proper safety protocols, the LQHCG 400KV-600pF ensures reliable performance for transformer testing, high voltage equipment evaluation, and advanced research applications.
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LQHCG 400KV-600pF Multiple Chopping Gap: Advanced High Voltage Testing Solution