LQHIVG 400KV-10KJ Four-Stage Impulse Generator: Ultra-High Voltage Testing

The LQHIVG 400KV-10KJ Impulse Voltage Generator delivers extreme high-voltage testing capabilities through its innovative four-stage design. Engineered for precision lightning impulse and chopped wave testing, this system serves industrial test facilities, national research centers, and universities with IEC 60060-compliant performance for insulation analysis and pollution studies.

Standards Compliance

• IEC 60060-1:2010 - General test requirements

• IEC 60060-2:2010 - Measuring systems

• ANSI/IEEE 4a:2001 - HV testing techniques

• ANSI/IEEE 1122:2007 - Digital recorder standards

• GB311/GB16927 - Waveform compliance

Technical Specifications

Precision Waveform Generation

Lightning Impulse Full Wave (1.2/50μs)

• Front Time: 1.2μs ±30%

• Tail Time: 50μs ±20%

• Peak Oscillation: <5% amplitude

Lightning Impulse Chopped Wave

• Chopping Time: 2-5μs

• Peak Voltage Deviation: <3%

Performance Characteristics

• Voltage Range: 10-100% Un sparking range

• Minimum Output: >10% rated voltage (40kV)

• Synchronous Control:

• 20-100% voltage operation

• <25% polarity deviation

• <5% out-of-control rate

• Duty Cycle:

• 120s interval at >66% rated voltage

• 60s interval at <66% rated voltage

Four-Stage Design Advantages

1. Ultra-High Voltage Output - 400kV capacity for EHV equipment testing

2. Precision Capacitor Bank - 0.125μF total capacitance with balanced staging

3. Advanced Chopped Wave Control - <3% peak deviation for accurate insulation breakdown studies

4. Compact Energy Management - 2.5kJ per stage for thermal stability

Research & Industrial Applications

Equipment Certification

• Lightning impulse full wave tests

• Chopping wave withstand validation

• Switching impulse analysis

Advanced Insulator Studies

• Impulse flashover testing

• Non-uniform pollution characteristic research

• Insulation coordination under contaminated conditions

Operational Reliability

Features multi-stage synchronous control with <5% failure rate and thermal-optimized duty cycling. Complies with IEC 61083-2 for measurement accuracy, with NIST-traceable calibration ensuring consistent performance at 400kV operations.

Ideal For

• National high-voltage research facilities

• University power engineering labs

• Transformer and switchgear manufacturers

• Transmission line component test centers