Engineered for Extreme Voltage Applications

The LQHDR 100kV/10KΩ/0.12A damping resistor delivers unmatched stability in EHV (Extra-High Voltage) environments. With industry-leading <2pC partial discharge at 100kV, it enables precision measurements in critical applications:

• UHV transformer testing

• HVDC transmission validation

• Nuclear fusion research systems

• High-energy physics laboratories

Technical Specifications

Breakthrough Performance Features

Ultra-Low Partial Discharge

Industry-leading <2pC at 100kV - 40% lower than standard resistors - enables noise-free measurements in sensitive EHV systems.

High Voltage Density

Compact 850mm length delivers 100kV capability in space-constrained test cells and mobile units.

Thermal Management

Advanced cooling design maintains ≤80K temperature rise at full load despite compact form factor.

Critical Applications

HVDC Converter Stations

Damps switching transients during valve testing at 100kV DC per IEC 61954 standards.

Power Transformer Diagnostics

Enables PD measurement on 400kV+ transformers with minimal background noise.

Research Facilities

Essential for particle accelerator and plasma confinement systems requiring 100kV stability.

Dimensional Advantages

Space-Saving Design

At just 850mm length, fits in standard 19" test racks - 30% shorter than comparable 100kV resistors.

Dual-Diameter Configuration

70/115mm profile enables direct integration with multiple bushing standards.

Ergonomic Handling

Weighs <15kg with integrated lift points - deployable by single technician.

Safety & Compliance

Certified Protection

• IEC 61010-1:2010 CAT IV 100kV rating

• Double-barrier insulation system

• Corona-free up to 110kV

• Arc containment design

Safety Engineering

• Automatic discharge circuit

• Thermal cut-off protection

• IP54-rated terminal guards

• Vibration-resistant mounting

Operational Recommendations

1. Mounting: Minimum 1m clearance to grounded surfaces

2. Environment: 0-40°C operating temperature

3. Maintenance: Biannual IR testing recommended

4. Calibration: 24-month traceable recalibration cycle