LQHIVG 400KV-30KJ Four-Stage Impulse Generator: High-Energy Testing Solution

The LQHIVG 400KV-30KJ Impulse Voltage Generator delivers extreme high-voltage testing capabilities with its optimized four-stage design and 30kJ energy capacity. Engineered for precision lightning impulse and chopped wave testing, this system serves industrial facilities, national research centers, and universities with IEC 60060-compliant performance for insulation analysis and pollution studies.

Standards Compliance

• IEC 60060-1:2010 - General test requirements

• IEC 60060-2:2010 - Measuring systems

• ANSI/IEEE 4a:2001 - HV testing techniques

• ANSI/IEEE 1122:2007 - Digital recorder standards

• GB311/GB16927 - Waveform compliance

Technical Specifications

Precision Waveform Generation (300-3000pF Load)

Lightning Impulse Full Wave (1.2/50μs)

• Front Time: 1.2μs ±30%

• Tail Time: 50μs ±20%

• Amplitude Deviation: <3%

• Peak Oscillation: <5%

• Voltage Efficiency: ≥90% (no load)

Lightning Impulse Chopped Wave

• Chopping Time: 2-5μs

• Peak Deviation: ≤3%

• GB311/GB16927 Compliant

Advanced Control System

• Synchronous Range: 10-100% voltage

• Polarity Control: <20% deviation

• Discharge Reliability: <2% out-of-control rate

• Sparking Range: 10-100% Un

• Minimum Output: 10% rated voltage (40kV)

Optimized Performance Metrics

Four-Stage Design Advantages

1. Compact Engineering - Optimized staging prevents excessive height/basement requirements

2. High-Energy Density - 30kJ total capacity with 1.5μF capacitors

3. Precision Chopped Wave Control - ≤3% deviation for insulation breakdown studies

4. Enhanced Synchronization - <2% discharge failure rate

Research & Industrial Applications

Equipment Testing

• Lightning impulse full wave tests

• Chopping wave withstand validation

• Switching impulse analysis

Advanced Insulator Studies

• Impulse flashover testing

• Non-uniform pollution research

• Insulation coordination under contamination

Operational Reliability

Features multi-stage synchronous control with <2% failure rate and thermal-optimized duty cycling. Complies with IEC 61083-2 for measurement accuracy, with NIST-traceable calibration ensuring consistent performance at 400kV operations.

System Design Philosophy

The four-stage configuration provides optimal balance between voltage output and physical footprint. Compared to two-stage alternatives, this design reduces overall height by 35% and basement area requirements while maintaining 400kV output capacity with superior waveform precision.