≥1000kV Range
LQHID 2200KV-400pF Weak Damping Capacitor Voltage Divider
Product Overview
The LQHID series weak damping capacitor voltage divider is designed for precise measurement of high-voltage impulses up to 2200KV. Its single-stage capacitor construction ensures minimal waveform distortion, making it ideal for:
Lightning impulse voltage tests
High-voltage laboratory measurements
Power equipment dielectric testing
Technical Specifications
Parameter | Specification | Standard |
---|---|---|
Rated Voltage | 2200KV (peak) | IEC 60060-1 |
HV Arm Capacitance | 400pF ±5% | IEC 60358 |
Voltage Ratio | 1000:1 or 2000:1 selectable | - |
Step Response Time (Ta) | ≤100 nanoseconds | IEC 61083-1 |
Overshoot (β) | ≤20% | - |
Ratio Instability (Kg) | ≤1% | - |
Mechanical Characteristics
Construction: Single-stage HV capacitor design
Total Height: Approximately 1.6 meters
Mobility: Manual transport capability
HV Electrode: Corona-free design
Performance Features
1. Fast Response Capability
With Ta≤100nS response time and ≤20% overshoot, the divider accurately captures:
Standard lightning impulses (1.2/50μs)
Switching impulses (250/2500μs)
Oscillating waveforms
2. Stable Voltage Division
The ≤1% ratio instability ensures measurement consistency during:
Long-duration tests
Temperature variations (-20°C to +50°C)
Humidity changes (up to 90% RH non-condensing)
Application Scenarios
Transformer Testing: Impulse withstand voltage tests per IEC 60076-3
GIS Equipment: Partial discharge measurement
Research Labs: High-voltage waveform analysis
Operation Notes
Ground the divider properly before measurements
Maintain minimum clearance per IEC 61481-1
Store in dry environment when not in use
Annual calibration recommended
Compliance Standards
This voltage divider meets the requirements of:
IEC 60060-1: High-voltage test techniques
IEC 61083-2: Digital recorders for measurements
IEEE Std 4: Standard Techniques for High-Voltage Testing