<1000KV Range

LQHCG 750KV-300pF Multiple Chopping Gap: High-Precision High-Voltage Switching Device

Technical specifications and features of the LQHCG 750KV-300pF Multiple Chopping Gap with 750kV rating, sub-microsecond timing precision, and three-electrode trigger system for high-voltage testing applications.

US$ 10,432.00
Lead time: 50 days

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Product Details

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LQHCG 750KV-300pF Multiple Chopping Gap: High-Precision High-Voltage Switching Device

Product Overview

The LQHCG 750KV-300pF Multiple Chopping Gap is an advanced high-voltage switching system designed for precision impulse testing applications. With its 750kV rating and sub-microsecond timing accuracy, this equipment meets the rigorous demands of high-voltage laboratories, electrical component manufacturers, and research facilities.

Key Advantage: Combines ultra-high voltage capability (750kV) with exceptional chopping time precision (σ < 0.1μs) in a compact, reliable package.

Technical Specifications

Core Parameters

Rated Voltage: 750kV (nominal)
Rated Capacitance: 300pF
Chopping Time Range: 2~6μS
Timing Deviation: <±0.1μS
Adjustment Range: 0~9.9μS (Digital control)

Mechanical Configuration

Sphere Gaps: 2 pairs (4 units total)
Gap Type: 150mm diameter semi-sphere
Trigger System: Three-electrode discharge
Time-Delay Control: Adjustable with 250kV trigger pulse
Wave Consistency: σ < 0.1μs

Performance Metric	Specification	Industry Comparison
Voltage Withstand	750kV	Superior to standard 500kV systems
Timing Precision	<±0.1μs	Among best in class
Trigger Reliability	Three-electrode system	More consistent than two-electrode designs
Adjustment Resolution	Digital 0.1μs steps	Finer than analog systems

Advanced Technology Features

Precision Timing Network

The digital time-delay circuit provides exact chopping time control from 0-9.9μs in 0.1μs increments, synchronized with your control system for repeatable results.

Robust Trigger Mechanism

The three-electrode discharge system with 250kV trigger pulse ensures reliable initiation under all operating conditions, even at maximum voltage ratings.

Optimized Electrode Design

150mm diameter semi-sphere gaps provide excellent field distribution and minimize electrode erosion, extending maintenance intervals.

Compact High-Voltage Design

The efficient two-pair gap configuration delivers 750kV performance in a space-saving package compared to bulkier multi-stage systems.

Primary Applications

Ultra-High Voltage Research

Breakdown phenomena studies
Dielectric material evaluation
Lightning protection development

Component Testing

Transformer impulse testing
Bushing and insulator evaluation
Circuit breaker validation

Standards Compliance

IEC 60060-1 impulse tests
IEEE Std 4 compliance verification
National high-voltage test standards

Operation & Maintenance

Recommended Safety Protocols

Always discharge capacitors before servicing
Maintain minimum safe distances per IEC 61936
Use appropriate PPE for high-voltage work
Verify interlock systems before operation

Maintenance Schedule

Maintenance Item	Frequency	Procedure
Electrode Inspection	Every 50 operations	Visual check for pitting/erosion
Surface Cleaning	Every 100 operations	Polish with fine abrasive paper
Timing Calibration	Quarterly	Verify against reference standard
Full System Check	Annually	Complete performance verification

Why Choose the LQHCG 750KV-300pF?

This chopping gap system represents the optimal balance of ultra-high voltage capability and precision timing control. Its robust yet compact design makes it ideal for:

Laboratories requiring precise impulse waveforms
Manufacturers testing high-voltage components
Research institutions studying dielectric phenomena
Test facilities needing reliable 750kV performance

For detailed application engineering support or custom configuration options, contact our technical team for expert assistance with your high-voltage testing requirements.

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<1000KV Range