Product Overview

The LQHIVG 1400KV-140KJ Impulse Voltage Generator represents the pinnacle of high-voltage testing technology with its industry-leading 1400kV rating and 140kJ energy capacity. Featuring a robust 7-stage design with 20kJ per stage, this IEC 60060-compliant solution delivers precision lightning impulse (±3%) and switching impulse performance across an exceptional 400-3400pF load range. Engineered for critical applications in power transmission research, electrical infrastructure validation, and specialized testing facilities.

Compliance with International Standards

• IEC 60060-1/2-2010: High-voltage test definitions and measurement protocols

• IEC 61083-1/2: Instrumentation for impulse tests

• ANSI/IEEE 4a-2001 & 1122-2007: Testing techniques and digital recording

• ASTM D69/D2518: Electrical insulation standards

• GB311/GB16927: Waveform compliance certification

Technical Specifications

Waveform Performance

Lightning Impulse Full-Wave

• Waveform: 1.2±30%μs / 50±20%μs

• Peak Tolerance: ±3%

• Peak Oscillation: <5%

• Minimum Efficiency: ≥90% (no load)

Switching Impulse Wave

• Waveform: 250±20%μs / 2500±60%μs

• Efficiency: ≥70% (1000pF load)

• Compliance: Meets GB16927 requirements

Operational Features

• Exceptional Load Tolerance: 400-3400pF range (including divider)

• Precision Synchronization:

• Voltage range: 10%-100% rated

• Polarity deviation: <20%

• Discharge failure rate: <2%

• Advanced Cycling:

• 120s cycle (＞70% voltage)

• 60s cycle (＜70% voltage)

• Robust Capacitor Design: 1.0µF/200kV modules per stage

• Voltage Stability: <±1.0% charging instability

Industrial Applications

1. Ultra-high-voltage transmission research

2. Next-generation transformer testing

3. Power grid substation equipment validation

4. High-voltage circuit breaker certification

5. National research facility applications

6. Renewable energy infrastructure testing

7. Advanced insulation material research

Technical Advantages

• Industry-Leading Voltage Rating: 1400kV capacity for cutting-edge research

• High-Energy Density: 140kJ total with 20kJ per stage

• Exceptional Load Flexibility: 400-3400pF range accommodates diverse test setups

• Research-Grade Efficiency: ≥90% voltage utilization for lightning tests

• Robust 7-Stage Design: Ensures stability at extreme voltages

• Precision Waveform Control: ±3% tolerance meets GB16927 requirements

• Rapid Cycling Capability: 60-120s operational cycles