LQHCG 1400KV-400pF Dual-Stage Chopping Gap System Overview

The LQHCG 1400KV-400pF represents the cutting edge of ultra-high voltage testing technology, delivering unprecedented 1400kV capability in a precision two-stage configuration. This system sets new standards for high-voltage impulse testing with exceptional timing accuracy.

Key Technical Specifications

Unmatched Voltage Capability

1400kV Rated Performance

This system breaks new ground with:

• Industry-leading 1400kV (1.4MV) rating

• Specialized insulation system for extreme voltages

• Optimized clearances for safe ultra-HV operation

• Robust construction for reliable performance

Two-Stage System Architecture

The dual-stage design provides:

• Balanced voltage distribution (700kV per stage)

• 4 pairs of sphere gaps per stage for precise control

• Improved waveform shaping capabilities

• Reduced stress on individual components

Precision Triggering System

Three-Electrode Discharge Trigger

The advanced triggering mechanism features:

• High-performance pulse amplifier output: 10kV, 100ns

• Exceptional timing consistency at extreme voltages

• Reliable breakdown initiation

• Synchronization across both stages

Time-Delay Control

The electronic timing system offers:

• Adjustable time-delay settings

• 250kV trigger pulse output

• Digital control system integration

• Precise chopping time programming

Waveform Chopping Performance

The system delivers unparalleled waveform control:

• Standard deviation of chopping time: <0.1μs

• Exceptional repeatability

• Consistent results at full 1400kV rating

• Precision waveform truncation

Electrode System

The 150mm semi-sphere gap configuration provides:

• 8 pairs (16 units) total

• 4 pairs per stage for balanced operation

• Precision-machined 150mm electrodes

• Consistent breakdown characteristics

Performance Advantages

Key benefits of this system:

• World-class 1400kV capability

• Exceptional timing precision (<0.1μs)

• Reliable two-stage operation

• Proven three-electrode triggering

• Robust construction for heavy-duty use

Typical Applications

This ultra-high-voltage system is designed for:

• EHV transformer impulse testing

• Ultra-high-voltage transmission research

• Advanced insulation material evaluation

• Next-generation power equipment testing

• Lightning protection system development

Installation Requirements

Special considerations for 1400kV operation:

• Extra-large test area with substantial clearances

• Specialized high-voltage laboratory facilities

• Advanced safety systems and barriers

• Highly trained technical personnel

Safety Features

The system incorporates multiple protection mechanisms:

• Enhanced insulation for 1400kV operation

• Secure mechanical construction

• Comprehensive grounding systems

• Emergency discharge capabilities

Technical Comparison

Advancements over previous models:

• Higher voltage rating (1400kV vs 1200kV)

• Maintained sub-0.1μs timing precision

• Same reliable two-stage architecture

• Proven three-electrode triggering

Conclusion

The LQHCG 1400KV-400pF Two-Stage Multiple Chopping Gap System represents the pinnacle of ultra-high voltage testing technology. With its groundbreaking 1400kV capability, precision timing control (<0.1μs deviation), and robust two-stage design, this system enables cutting-edge research and testing at voltage levels previously unattainable. The combination of advanced triggering, adjustable time-delay, and exceptional waveform control makes this equipment essential for leading high-voltage laboratories and research institutions pushing the boundaries of electrical power technology.