Product Overview

The LQHIVG 1800KV-90KJ Impulse Voltage Generator delivers precision high-voltage testing for electrical insulation systems. With a maximum output of 1800kV and 90kJ energy capacity, this system supports lightning impulse, switching impulse, and composite insulator testing in compliance with global standards.

Compliance Standards

• IEC 60060-1-2010: General definitions and test requirements

• IEC 60060-2-2010: Measuring system requirements

• IEEE 4a-2001: High-voltage testing techniques

• IEEE 1122-2007: Digital recorders for impulse tests

• ASTM D2484/D2518: Electrical insulation testing

Core Technical Parameters

Waveform Performance

• Lightning Impulse (Full Wave): 1.2±30%µs / 50±20%µs, ≤5% peak oscillation

• Switching Impulse: 250±20%µs / 2500±60%µs

• Lightning Chopping Wave: 2-5µs

• Steep Wave Impulse: tr=200ns, Up<450kV

Waveform deviations meet GB311/GB16927 requirements.

Operational Specifications

• Output Efficiency: ≥90% (lightning), ≥70% (switching @1000pF load)

• Synchronous Range: 10%-100% rated voltage (±20% polarity sync)

• Discharge Interval: ≥60s at max voltage; 120s cycle @>70% voltage

• Voltage Range: 10%-100% of rated voltage

Applications

Ideal for:

1. Transformer and switchgear insulation testing

2. Composite insulator validation

3. Power equipment certification per IEC/IEEE standards

4. High-voltage component R&D