≥1000KV Range

LQHCG 3000KV-300pF Chopping Gap System | Ultra-High Voltage Impulse Generator

3000kV chopping gap system with 15×250mm sphere gaps, 10kV/100ns trigger pulse, and sub-0.1μs chopping precision for ultra-high voltage testing applications up to 3000kV.

US$ 32,534.00
Lead time: 60 days

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LQHCG 3000KV-300pF Ultra-High Voltage Chopping Gap System

Industry-Leading High Voltage Testing Solution

The LQHCG 3000KV-300pF represents the pinnacle of high-voltage test technology, combining unprecedented 3000kV capacity with laboratory-grade ≤0.1μs chopping precision. Featuring massive 250mm sphere gaps and nanosecond-precision triggering, this system sets new standards for UHV equipment testing and research.

Technical Specifications

Core Electrical Parameters

Rated Voltage: +3000kV (peak)
Stage Voltage: +200kV per stage
Rated Capacitance: 300pF ±1%
Chopping Range: 2-6μS adjustable

Mechanical Design

Sphere Gaps: 15 pairs
Gap Diameter: 250mm semi-sphere
Trigger Pulse: 10kV, 100ns rise time
Time-Delay Pulse: 250kV adjustable

Precision Metrics

Chopping Precision: σ<0.1μs deviation
Voltage Scope: 20%-100% of rated
Control System: Digital μs-setting
Stage Synchronization: <0.5% deviation

Breakthrough Technology

250mm Sphere Gaps

Industry's largest 250mm gaps provide 40% greater arc stability versus standard 150-200mm designs

Nanosecond Triggering

10kV/100ns pulse amplifier ensures reliable initiation even at maximum 3000kV operation

Precision Timing

Digital control maintains <0.1μs standard deviation across full 2-6μS range

Performance Comparison

Parameter	LQHCG 3000KV	Conventional 3000kV Systems
Sphere Gap Size	250mm	150-200mm
Trigger Speed	100ns	200-500ns
Chopping Precision	σ<0.1μs	σ<0.3-0.5μs
Voltage Range	20-100%	30-100%

Standards Compliance

Certified to all major international standards:

IEC 60060-1:2023 High-voltage test techniques
IEEE Std 4-2022 Standard for HV testing
GB/T 16927.1-2023 Lightning impulse tests
EN 60060-2:2023 Measurement requirements

Typical Applications

UHV transformer testing (≥800kV class)
HVDC transmission equipment validation
National metrology laboratory standards
Research on next-generation GIS systems
High-energy physics experiments

Safety & Maintenance

Operational Requirements

Minimum 6m clearance during 3000kV operation
Daily inspection of all 15 sphere gaps
Monthly trigger circuit verification

Maintenance Schedule

Interval	Action	Tolerance
Every 50 operations	Sphere gap alignment	±0.1mm
Quarterly	Capacitor bank test	±0.5% capacitance
Annual	Full system calibration	IEC 60060-3 Class I

Why This System?

The LQHCG 3000KV-300pF delivers unmatched performance for ultra-high voltage testing, combining the industry's largest 250mm sphere gaps with laboratory-grade ≤0.1μs timing precision. This system is engineered for national research labs and power equipment manufacturers who demand absolute reliability at the 3000kV frontier.