≤800kV Range
LQHIVG 400KV-50KJ Impulse Voltage Generator | IEC-Compliant High-Energy Testing
High-Capacity Impulse Testing Solution
Designed for critical dielectric strength validation, the LQHIVG 400KV-50KJ delivers 50kJ of impulse energy across four optimized stages. This system performs precision lightning impulse and chopping wave tests on transformers, switchgear, and grid infrastructure with unmatched voltage stability (±1.0%).
Global Standards Compliance
Meets rigorous international testing protocols including:
IEC 60060-1/2-2010: High-voltage test definitions & measurement systems
IEC 61083-1/2: Instrumentation for impulse measurements
ANSI/IEEE 4a-2001 & IEEE 376-1975: Impulse strength methodologies
ASTM D2484/D2518: Electrical insulation validation
Core Technical Specifications
Parameter | Specification |
---|---|
Rated Voltage | ±400kV |
Rated Energy | 50kJ |
Stage Configuration | 4 stages (optimized stability) |
Stage Voltage | 100kV |
Impulse Capacitor | 2.5μF/100kV per stage |
Stage Energy | 12.5kJ |
Lightning Impulse Performance
Standard Waveform (300-3000pF load)
Waveform: 1.2μs ±30% / 50μs ±20%
Amplitude tolerance: ±3%
Peak oscillation: <5% of amplitude
Efficiency: ≥90% (capacitive load <3000pF)
Control & Reliability Features
Function | Performance |
---|---|
Synchronous Range | 10-100% rated voltage (±30% polarity sync) |
Discharge Control | <2% out-of-control rate |
Voltage Stability | <±1.0% charging deviation |
Sparking Range | 10-100% Un |
Minimum Output Voltage | ≥10% rated voltage |
Industrial Applications
Transformer impulse withstand testing (IEC 60076)
High-voltage circuit breaker validation
Renewable energy substation commissioning
Power cable insulation diagnostics
Operational Safety Protocols
Annual calibration per IEC 61083-2 requirements
Strict adherence to IEEE 4a safety margins
Environment-controlled operation (23±5°C recommended)
Mandatory PPE for voltages above 1kV
Performance Certification
All waveform parameters comply with GB311 and GB16927 standards. System validation includes:
NIST-traceable voltage calibration
Impulse waveform oscilloscope verification
Dielectric absorption testing per ASTM D2518