<1000kV Range
LQHID 500KV/300pF Weak Damping Capacitor Voltage Divider: Technical Specifications
Product Overview
The LQHID 500KV/300pF weak damping capacitor voltage divider features a compact single-stage design optimized for precision high-voltage measurements in field and laboratory settings. With a height of only 1.6m and manual portability, this instrument delivers exceptional performance in impulse testing applications up to 500kV.
Key Specifications
Parameter | Specification |
---|---|
Rated Voltage | +500kV |
HV Arm Capacitance | 300pF |
Voltage Ratio | 1000:1 |
Partial Response Time (Ta) | ≤100nS |
Overshoot Limit (β) | ≤20% |
Voltage Ratio Instability (Kes) | ≤1% |
HV Arm Construction | Single-stage capacitor |
Unit Height | Approximately 1.6m |
Portability | Manually movable |
Design Advantages
Compact Single-Stage Design: 1.6m height enables operation in confined spaces without performance compromise
Field-Portable Operation: Lightweight construction allows manual relocation between test sites
Weak Damping Technology: Minimizes waveform distortion for accurate impulse measurements
Performance Features
Ultra-Fast Response: ≤100ns partial response time captures transient events with precision
Stable Output: ≤1% ratio instability ensures measurement consistency across tests
Controlled Overshoot: ≤20% overshoot limit maintains waveform integrity during high-voltage surges
High-Accuracy Scaling: 1000:1 voltage ratio provides reliable signal reduction for instrumentation
Typical Applications
Impulse voltage testing of transformers and bushings
On-site commissioning of high-voltage switchgear
Research laboratory measurements
Power quality monitoring in substations
Dielectric strength verification
Operational Guidelines
Maintain minimum clearance of 2.5m from grounded surfaces during 500kV operation
Use shielded coaxial cables with impedance matching to minimize signal reflections
Perform monthly capacitance verification using certified LCR meters
Store in climate-controlled environments (15°C-25°C) when not in use
Compliance Standards
Designed to meet international testing requirements:
IEC 60060-1: High-voltage test techniques
IEEE Std 4: Standard for high-voltage testing
ANSI/NETA ATS: Acceptance testing specifications