Product Overview

The LQHIVG 1200KV-120KJ Impulse Voltage Generator sets a new standard in high-energy testing with its unprecedented 120kJ capacity and 20kJ per stage energy output. Designed for national research centers, industrial test facilities, and university laboratories, this 6-stage generator delivers precision lightning impulse and chopping wave performance compliant with IEC, IEEE, and GB standards. Specialized for power cable flashover testing and non-uniform pollution research, it enables critical infrastructure validation under real-world conditions.

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

• Efficiency: ≥70% (with 1000pF load)

• Applications: Transformer and breaker testing

Chopping Wave

• Duration: 2-5μs

• Compliance: Meets GB16927 requirements

Operational Features

• High-Efficiency Design: 20kJ per stage energy capacity

• Precision Control:

• Synchronization range: 10%-100% voltage

• Polarity deviation: <20%

• Discharge failure rate: <2%

• Advanced Cycling:

• 120s cycle (＞70% voltage)

• Continuous operation (＜70% voltage)

• Voltage Stability: <±1.0% charging instability

Industrial Applications

1. National high-voltage research facilities

2. University power engineering laboratories

3. Power cable impulse flashover testing

4. Insulation performance under non-uniform pollution

5. Transmission line equipment certification

6. High-capacity transformer testing

7. Renewable energy grid integration studies

Technical Advantages

• Industry-Leading Energy Capacity: 120kJ total with 20kJ per stage

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

• Specialized Pollution Testing: Non-uniform contamination analysis for power cables

• Robust Capacitor Design: 1.0µF/200kV modules ensure stability

• Continuous Operation Capability: Uninterrupted testing below 70% voltage

• Multi-Standard Compliance: Meets IEC, IEEE, and GB requirements