Product Overview

The LQHIVG 1500KV-78.75KJ Impulse Voltage Generator sets new standards in high-voltage testing with its unprecedented 1500kV rating and specialized 4-waveform capability. Featuring a compact 10-stage design (5.32m height) and advanced capacitor configuration, this generator delivers industry-leading performance including 1600kV lightning impulses, CVT-optimized waveforms, and switching impulse tests up to 1200kV. Compliant with IEC, IEEE, and GB standards, it's engineered for critical applications in power transmission research, transformer testing, and grid infrastructure validation.

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

• Peak Output: ≤1600kV

• Waveform: 1.2±30%μs / 50±20%μs

• Efficiency: ≥90% (no load), ≥85% (<3000pF)

Switching Impulse Wave

• Peak Output: ≤1200kV

• Waveform: 250±20%μs / 2500±60%μs

• Efficiency: ≥65% (<3000pF)

Specialized CVT Lightning Wave

• Wavefront: 1.2-8ms adjustable

• Wavetail: 50±20%ms

• Applications: Capacitive Voltage Transformer testing

Chopping Wave

• Duration: 2-6ms

• Compliance: Meets GB16927 requirements

Operational Features

• Advanced Capacitor Configuration: 20×1.4µF/75kV units

• Precision Synchronization:

• Range: 10%-100% rated voltage

• Polarity deviation: <20%

• Discharge failure rate: <2%

• Cycling Efficiency:

• 120s cycle (＞70% voltage)

• Continuous operation (＜70% voltage)

• Voltage Stability: <±1.0% charging instability

Industrial Applications

1. Ultra-high-voltage transformer testing

2. Capacitive Voltage Transformer (CVT) validation

3. Power grid substation equipment certification

4. Transmission line insulation coordination

5. High-voltage circuit breaker testing

6. Renewable energy infrastructure validation

7. National research facility applications

Technical Advantages

• Industry-Leading Voltage Output: 1600kV lightning impulse capability

• Four-Waveform Versatility: Lightning/switching/chopping/CVT in one system

• Compact Footprint: 5.32m height optimizes lab space

• High-Efficiency Design: ≥90% voltage utilization for lightning tests

• Robust Capacitor Array: 20 specialized units ensure stability

• Precision Waveform Control: CVT-optimized waves with adjustable front time

• Continuous Operation: Uninterrupted testing below 70% voltage