LQHCG 1200KV-300pF Dual-Stage Chopping Gap System Overview

The LQHCG 1200KV-300pF represents the pinnacle of high-voltage testing technology, featuring a two-stage design with exceptional 1200kV capability. This system is engineered for precision impulse voltage testing in research and industrial applications.

Core Technical Specifications

Two-Stage System Architecture

Dual-Stage Design Advantages

The innovative two-stage configuration provides:

• Enhanced voltage distribution across stages

• Improved waveform control

• Reduced stress on individual components

• Flexibility in test configurations

Precision Triggering System

Three-Electrode Discharge Trigger

The advanced triggering mechanism features:

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

• Consistent breakdown characteristics

• Reliable operation at 1200kV

• Precision timing initiation

Time-Delay Control System

The electronic time-delay circuit offers:

• Adjustable time-delay settings

• 250kV trigger pulse output

• Digital control system integration

• Precise chopping time programming

Waveform Chopping Performance

The system delivers exceptional waveform control:

• Chopping range: 2~5μs

• Standard deviation of chopping time: <0.1μs

• Repeatable waveform truncation

• Consistent results across multiple operations

Sphere Gap Configuration

The electrode system consists of:

• Total 8 pairs (16 units) of sphere gaps

• 4 pairs per stage for balanced operation

• 150mm diameter semi-sphere electrodes

• Precision-machined surfaces for consistent performance

Performance Advantages

Key benefits of the 1200KV system:

• Industry-leading 1200kV capability

• Exceptional timing precision (<0.1μs deviation)

• Dual-stage design for improved control

• High-reliability three-electrode triggering

• Robust construction for heavy-duty use

Typical Applications

This ultra-high-voltage system is designed for:

• Extra high-voltage (EHV) equipment testing

• Power transformer impulse testing

• High-voltage insulation research

• Lightning protection studies

• Advanced dielectric strength evaluation

Installation Requirements

Special considerations for 1200kV operation:

• Large test area with proper clearance distances

• Specialized high-voltage laboratory facilities

• Appropriate safety barriers and warning systems

• Qualified personnel for operation and maintenance

Safety Features

The system incorporates multiple safety measures:

• Properly rated insulation for 1200kV operation

• Secure mechanical construction

• Clear safety markings and indicators

• Emergency discharge mechanisms

Technical Comparison

Advancements over standard systems:

• Higher voltage rating (1200kV vs 900kV)

• Innovative two-stage design

• Increased sphere gap pairs (8 vs 6)

• Maintained sub-0.1μs timing precision

Conclusion

The LQHCG 1200KV-300pF Two-Stage Multiple Chopping Gap System represents a significant advancement in high-voltage testing technology. With its unprecedented 1200kV rating, dual-stage architecture, and eight pairs of precision sphere gaps, this system sets new standards for impulse voltage testing. The combination of three-electrode triggering, adjustable time-delay control, and exceptional chopped wave consistency (<0.1μs deviation) makes this equipment ideal for the most demanding high-voltage research and testing applications.