Electrical Specifications

Graded Partial Discharge Performance

Tested per IEC 60270 with shielded measurement environment.

Honeycomb Thermal Management System

• Core Construction: Nickel-chromium wire precision-wound on epoxy composite boards

• Hexagonal Structure: Open-cell honeycomb configuration maximizes surface area

• Heat Exchange Efficiency: 45% greater cooling than solid-core designs

• Material Integrity: Maintains mechanical strength at operational temperatures

The honeycomb design ensures uniform air convection, limiting temperature rise to <100K during 60-minute continuous operation at full load.

Triple-Shielding Protection System

• End-Ring Electrodes: Dual 350mm-radius aluminum rings at terminals

• Central Grading Ring: Positioned at midpoint with optimized curvature

• Discharge Protection: Controls electric field distribution during test object breakdown

Prevents insulation damage by directing discharge energy away from critical components.

Operational Performance

• Continuous Operation: 60 minutes at 1200kV/0.5A (1.5kW)

• Thermal Recovery: 90-minute cooldown between full-power tests

• Resistance Stability: ±0.15% maximum deviation during thermal transients

Structural Advantages

High-Voltage Applications

• UHV transformer impulse testing (IEC 60076)

• Gas-insulated switchgear (GIS) diagnostics

• Lightning surge generator systems

• High-energy physics research facilities

• HVDC converter station validation

Safety & Maintenance Protocols

1. Pre-operation inspection of honeycomb integrity

2. Annual shielding ring alignment verification

3. Resistance calibration every 500 operating hours

4. Infrared thermography during commissioning

5. Dielectric strength test every 2 years

Compliance Standards

• IEC 60273: High-voltage resistors

• IEEE 4-2013: HV testing techniques

• EN 62217: Polymeric HV insulators

• IEC 60112: Tracking resistance standards

• IEC 60071: Insulation coordination