LQHCG 3000KV-400pF Dual-Waveform Impulse Generator System

Advanced High-Voltage Testing Solution

This 3000KV-400pF system combines lightning and switching impulse generation in one integrated platform, featuring a multi-stage damping capacitor divider with distributed resistors and field-installable stainless steel electrodes. Engineered for both laboratory and on-site testing up to 3000kV.

Core Technical Specifications

Waveform Generation

• Standard Lightning Wave: +3000kV (1.2/50μs)

• Standard Switching Wave: +2000kV (250/2500μs)

• HV Capacitance: 400pF ±1%

Damping Capacitor Divider

• Structure: Multi-stage pulse capacitors in series

• Response Time: T_α ≤100ns

• Overshoot: B≤20%

• Scale Factor: K_s±1%

Mechanical Design

• Base: High-strength movable metal frame

• Wheels: Polyurethane material with fixed brace

• Corona Protection: Optimized top electrode profile

Key System Components

1. Capacitor Voltage Divider

• High-voltage arm: Non-inductive structure on movable base

• Low-voltage arms: Dual outputs (2000:1 and 4000:1 ratios)

• Calibration: Nationally-certified voltage ratios

2. Impulse Generator

• Top corona cover: 3000kV-optimized cross profile

• Field-installable electrodes: Stainless steel construction

• Transportation: Modular design for easy assembly

Performance Advantages

Standards Compliance

• GB311-2012: Insulation coordination standards

• IEC 60060-1: High-voltage test techniques

• IEEE Std 4: Standard for HV testing

• EN 60060-2: Measurement requirements

Operation & Maintenance

Pre-Test Checklist

1. Verify all corona covers are securely installed

2. Check polyurethane wheel locks are engaged

3. Confirm dual LV arm connections

Routine Maintenance

Why This System?

The LQHCG 3000KV-400pF sets new benchmarks for high-voltage impulse testing with its dual-waveform capability, precision multi-stage divider, and field-deployable design. The system's ≤100ns response time and ±1% scale factor accuracy make it ideal for standards laboratories and power equipment manufacturers requiring laboratory-grade measurements at 3000kV levels.