LQHIVG 300KV-20KJ High-Capacity Impulse Generator: Advanced Testing Specifications

The LQHIVG 300KV-20KJ Impulse Voltage Generator represents cutting-edge high-voltage testing technology with its three-stage design and 20kJ energy capacity. Engineered for precision lightning impulse and chopped wave testing, this system exceeds IEC 60060 standards while offering enhanced control features for demanding power equipment certification.

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%

• Amplitude Deviation: <3%

• Peak Oscillation: <5%

• Voltage Efficiency: ≥90% (no load)

Lightning Impulse Chopped Wave

• Chopping Time: 2-5μs

• Complies with GB311/GB16927

Advanced Control Features

• Synchronous Range: 10-100% voltage

• Polarity Control: <20% deviation

• Discharge Reliability: <2% out-of-control rate

• Sparking Range: 10-100% Un

• Minimum Output: ≥10% rated voltage (30kV)

Optimized Performance Characteristics

Three-Stage Engineering Advantages

1. High-Energy Density - 20kJ total capacity with optimized 1.334μF capacitors

2. Enhanced Synchronization - <2% discharge failure rate for reliable testing

3. Precision Voltage Control - Dual stability metrics (<±1% charging and reference deviation)

4. Extended Voltage Range - Operates down to 10% rated voltage (30kV)

Industrial Applications

• EHV transformer and reactor impulse testing

• Power transmission equipment certification

• Surge arrester performance validation

• Insulation coordination studies with chopped wave simulation

Operational Reliability

Features advanced capacitor bank design with 0.445μF impulse capacity and NIST-traceable calibration. The triple-stage synchronous control system ensures <2% operational failure rate, while adaptive duty cycling maintains thermal stability during extended testing sequences.