Product Overview

The LQHIVG 900KV-67.5KJ Impulse Voltage Generator delivers industry-leading 67.5kJ testing energy for critical high-voltage applications in power transmission, electrical infrastructure, and industrial equipment validation. Featuring a robust 6-stage design with 1µF stage capacitance, this IEC 60060-compliant solution provides ±3% waveform accuracy and adjustable 30-90s charging for versatile testing scenarios.

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% of amplitude

• Minimum Efficiency: ≥90% (no load)

Lightning Chopping Wave

• Duration: 2-6μs

• Peak Deviation: ≤3%

• Minimum Efficiency: ≥80% (no load)

Operational Features

• Advanced Capacitor Configuration: Dual 2µF capacitors per stage at 100kV

• Adjustable Charging: 30-90s programmable charging time

• Cycling Performance:

• 120s cycle (＞70% voltage)

• 90s cycle (＜70% voltage)

• Precision Control:

• Synchronous range: 10%-100% rated voltage

• Polarity deviation: <20%

• Discharge failure rate: <2%

Industrial Applications

1. High-capacity transformer impulse testing

2. Electrical insulation system validation per ASTM D2518

3. Power transmission line surge protection testing

4. Industrial switchgear certification

5. Renewable energy infrastructure testing

Technical Advantages

• Industry-Leading Capacity: 67.5kJ energy output for demanding test scenarios

• Robust Capacitor Design: Dual 2µF capacitors per stage ensure stable 150kV charging

• Operational Flexibility: 30-90s adjustable charging time accommodates diverse test requirements

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

• Safety Assurance: <2% discharge failure rate across full voltage range