Technical Specifications

Advanced Structural Design

Oil-Immersed Capacitor Core

Precision-engineered components:

• Insulated Shell: High-strength composite enclosure

• Capacitor Body: Mineral oil-impregnated dielectric system

• Identical Media: HV/LV arms use same dielectric for temperature stability

Modular Assembly

Field-configurable components:

• Top Corona Cover: Electro-polished aluminum

• LV Measurement Arm: Shielded precision circuit

• Movable Base: Adjustable leveling platform

Ultra-Low PD Construction

Discharge-optimized design:

• All critical components <5pC @ 350kV

• Smooth electrode surfaces (Ra <0.8μm)

• Triple-sealed oil chamber

Performance Validation

Certified Testing Protocol

• Partial discharge <2pC verified at 350kV (IEC 60270 Class I)

• Dielectric loss <0.2% at 50Hz (IEC 60247)

• Insulation withstand: 385kV/1min with zero discharge

• Temperature stability test: ±0.05% ratio variation (-25°C to +55°C)

• 60-minute continuous operation with <1.5°C temperature rise

IEC 60270                        IEC 60060-1/2                        IEC 61869-11                        ISO/IEC 17025

Operational Advantages

Unmatched Measurement Precision

1000:1 ratio with ≤±1% accuracy:

• HV/LV arm thermal symmetry eliminates ratio drift

• Frequency response: 15Hz - 1kHz

• Phase displacement <5 minutes

Enhanced Safety Systems

Laboratory-grade protection:

• Automatic bleeder resistors (5τ <60s)

• Dual-pressure relief systems

• Oil level/temperature monitoring

• 360° grounding terminals

Reduced Maintenance

Reliable long-term operation:

• Hermetically sealed oil system

• Corrosion-resistant materials

• 10-year dielectric fluid stability

• Field-replaceable modules

Industrial Applications

High-Voltage Research

Precision measurement for:

• Dielectric material characterization

• Corona inception studies

• Partial discharge source location

Power Equipment Testing

Critical validation of:

• 400kV+ power transformers

• GIS partial discharge mapping

• Cable termination systems

Calibration Laboratories

Reference-standard applications:

• NMI traceable calibrations

• HV meter certification

• Impulse measurement validation