Product Overview

The LQHID 400KV-600pF weak damping capacitor voltage divider is engineered for accurate high-voltage impulse measurement in power systems, laboratories, and industrial testing environments. Its single-stage design ensures minimal signal distortion during lightning wave simulations.

Core Technical Specifications

Performance Highlights

• Precision Measurement: ±1% scale factor uncertainty guarantees accurate high-voltage readings under impulse conditions.

• Rapid Response: ≤100nS partial response time enables real-time capture of transient voltage events.

• Robust Over-Impulse Handling: Maintains signal integrity with ≤20% overshoot during surge events.

Design Advantages

1. Single-Stage HV Capacitor: Simplifies construction while reducing parasitic inductance for clearer signal output.

2. Weak Damping Characteristics: Minimizes oscillation in measured waveforms, critical for lightning impulse analysis.

3. GB311 Standard Compliance: Meets rigorous Chinese national standards for high-voltage test equipment safety and accuracy.

Typical Applications

• Lightning impulse voltage tests for transformers and switchgear

• High-voltage laboratory calibration systems

• Power quality monitoring in substations

• Research on dielectric breakdown phenomena

Operational Recommendations

For optimal performance:

• Maintain ambient temperature below 40°C during testing

• Use shielded coaxial cables ≤3 meters to reduce noise

• Perform biannual capacitance verification per IEC 61869-14

Compliance & Certification

This divider adheres to:

• GB311-2012: High-voltage test techniques

• IEC 60060-1: High-voltage test procedures

• IEEE Std 4: Standard for high-voltage testing