<150kV Range
LQHDR Series 100kV/10kΩ/0.05A Damping Resistor
Premium non-inductive resistor designed for high-precision applications in high-voltage testing environments with strict thermal stability requirements.
Technical Specifications
Parameter | Specification |
---|---|
Rated Voltage | 100kV AC (50/60Hz) |
Nominal Resistance | 10kΩ ±1% |
Rated Current | 0.05A continuous |
Frequency Rating | 50Hz standard (60Hz available) |
Max Temperature Rise | ≤80K at 100% load |
Continuous Operation | 60 minutes at 100kV/0.05A |
Partial Discharge | <5pC at rated voltage |
Dielectric Strength | 120kV/1min (IEC 60243) |
Key Performance Advantages
Precision Thermal Management: Specialized core design maintains ≤80K temperature rise at full continuous load
Stable Resistance: ±0.5% tolerance under thermal stress (20°C to 120°C)
Ultra-Low Inductance: <2μH design minimizes waveform distortion
Corona-Free Operation: Silicone-coated terminals prevent partial discharge
Application Scenarios
High-Voltage Test Systems
Impulse voltage generators (IEC 60060-1)
Transformer testing circuits
HV cable partial discharge detection
Dielectric withstand test setups
Precision Measurement
Voltage divider networks
Oscilloscope probe matching
High-frequency damping circuits
Installation Guidelines
Mount vertically with minimum 50cm clearance to grounded surfaces
Use only HV-rated silicone test leads (CAT IV minimum)
Ensure ambient temperature ≤40°C and humidity ≤85% RH
Verify ground connection resistance <1Ω before operation
Compliant with IEC 61010-1 safety standards for HV laboratory equipment.
Thermal Performance Data
Load Condition | Temperature Rise | Stability |
---|---|---|
100% (100kV/0.05A) | ≤80K | ΔR < ±0.2% |
75% (75kV/0.0375A) | ≤45K | ΔR < ±0.1% |
50% (50kV/0.025A) | ≤25K | ΔR < ±0.05% |
Maintenance Protocol
Pre-Use Check: Verify insulation resistance >100GΩ (2.5kV DC)
Quarterly: Clean terminals with non-conductive solvent
Annual: Calibration verification per IEC 60060-2
Lifetime: Replace after 500 full-power cycles or 5 years