LQHCG 900KV-400pF Multiple Chopping Gap System Introduction

The LQHCG 900KV-400pF represents an advanced high-voltage testing solution designed for precision impulse voltage applications. This upgraded model features enhanced capacitance and improved adjustability for superior testing flexibility.

Core Technical Specifications

Advanced Timing Characteristics

Precision Chopping Time Adjustment

The system offers exceptional timing control capabilities:

• Wide adjustable range: 0~9.9μS

• High precision: Standard deviation <+0.1μS

• Optimal working range: 2~6μs

• Digital control interface for precise settings

Triggering System Design

Three-Electrode Discharge Trigger

The advanced triggering mechanism ensures reliable operation:

• Proven three-electrode design for consistent performance

• Fast response time for accurate impulse initiation

• Optimized for high-voltage applications up to 900kV

Time-Delay Mechanism

The electronic time-delay circuit provides:

• Precise timing control

• Stable performance across multiple operations

• Integration with control systems

Structural Features

Movable Design with Corona Ring

The system incorporates innovative mechanical design elements:

• Corona ring at the top for improved field distribution

• Fully movable configuration for flexible test setups

• Robust construction for high-voltage environments

• Easy repositioning for different test requirements

Performance Advantages

The LQHCG 900KV-400pF system delivers:

• Superior timing precision with <+0.1μS deviation

• Enhanced capacitance (400pF) for various test scenarios

• Increased sphere gap pairs (6 pairs) for better control

• Wider adjustment range (0~9.9μS) for diverse applications

Typical Applications

This advanced chopping gap system is ideal for:

• Lightning impulse testing of transformers

• High-voltage component research and development

• Dielectric strength evaluation of insulation materials

• Power system protection studies

• Impulse voltage withstand testing

Installation and Operation

Key operational considerations include:

• Proper grounding of the movable system

• Adequate clearance distances for 900kV operation

• Regular inspection of corona ring and electrodes

• Calibration of timing circuits as recommended

Safety Features

The design incorporates multiple safety elements:

• Corona ring for controlled electric field distribution

• Secure mounting for movable components

• Proper insulation for high-voltage operation

• Clear safety markings and indicators

System Comparison

Key improvements over previous models:

• Increased capacitance (400pF vs 300pF)

• Additional sphere gap pair (6 vs 5 pairs)

• Wider chopping time adjustment range

• Enhanced movable design with corona ring

Conclusion

The LQHCG 900KV-400pF Multiple Chopping Gap System represents the next generation of high-voltage testing equipment, combining precision timing control with flexible movable design. With its enhanced 400pF capacitance, six pairs of sphere gaps, and advanced three-electrode triggering, this system provides researchers and testing engineers with unparalleled capabilities for impulse voltage applications. The addition of the corona ring and fully movable configuration further increases its utility across various high-voltage testing scenarios.