Technical Specifications

• Rated Voltage: 120kV AC RMS

• Nominal Capacitance: 9,000pF (9nF)

• Configuration: Single-stage design

• Frequency: 50Hz (30-300Hz optional)

• Dielectric Loss: <0.2% @ 25°C

• Partial Discharge: <1pC at 120kV (metrology grade)

• Measuring Accuracy: ≤±1%

• Operating Duration: 60 minutes continuous @ 100% voltage

• Dimensions: Base Ø300mm / Top Ø400mm × 1850mm height

• Weight: 300kg (approximate)

Precision Structural Design

Ultra-Low PD Architecture

• Triple Corona Rings: Aerospace-grade aluminum alloy for perfect field grading

• Removable Pedestal: Vibration-damped base with precision leveling

• Vacuum-Impregnated Windings: Eliminates micro-voids for PD suppression

• Gold-Plated Interfaces: Minimize contact resistance in measurement circuits

Measurement System

• Special Measuring Lead-Wire: Double-shielded with EMI/RFI protection

• Corona-Free HV Connection: Multi-stage grading for zero discharge

• Scalable Configuration: Supports single-stage and dual-stage operation

Performance Validation

Compliance: Exceeds IEC 61869-11, IEEE C57.13, and ANSI/NETA MTS-2023 standards.

Premium Applications

National Standards

• Primary voltage reference systems

• International measurement comparisons

• Calibration laboratory references

Advanced Research

• Particle accelerator power systems

• Fusion energy experiments

• Quantum computing power delivery

Critical Infrastructure

• Nuclear power plant monitoring

• HVDC converter station diagnostics

• National grid synchronization

Operational Advantages

• Unmatched PD Performance: <1pC enables previously impossible measurements

• Ultra-Low Loss: <0.2% dielectric loss for precision energy measurements

• Metrological Accuracy: <0.018%/kV voltage coefficient

• Thermal Stability: ±0.12% capacitance shift across extreme temperatures

• Future-Ready Design: Scalable for next-generation HV systems

Installation & Integration

Laboratory Requirements

• Foundation: Vibration-isolated concrete ≥0.6m³

• EMI Shielding: Faraday cage for sub-pC measurements

• Environmental Control: 23°C ±0.5°C recommended

• Clearance: 3.2m radial clearance at full voltage

Connection Protocol

1. Install quad 50mm² ground cables to dedicated earth pit

2. Connect double-shielded lead-wire to measurement system

3. Implement multi-stage corona-free HV connections

4. Establish NIST-traceable calibration reference

5. Execute 10-step verification (5-100% in 10% increments)

Calibration & Maintenance

Metrology Procedures

Note: Includes on-site verification by metrology engineers