Technical Specifications

• Rated Voltage: 120kV AC RMS

• Nominal Capacitance: 33,000pF (33nF)

• Configuration: Single-stage design

• Frequency: 50Hz (30-300Hz optional)

• Dielectric Loss: <0.2% @ 25°C

• Partial Discharge: <1pC at 120kV (industry record)

• Measuring Accuracy: ≤±1%

• Operating Duration: 60 minutes continuous @ 100% rated voltage

• Cooling System: ONAN (Oil Natural Air Natural)

• Dimensions: Base Ø300mm / Top Ø400mm × 1650mm height

• Weight: 300kg (approximate)

Precision Structural Design

Ultra-Low PD Architecture

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

• Removable Pedestal: Heavy-duty base with vibration damping

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

• Gold-Plated Interfaces: Minimize contact resistance in LV measurement arms

Measurement System

• Special Measuring Lead-Wire: Double-shielded for EMI immunity

• 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.

Elite Applications

National Metrology

• Primary voltage standards

• Reference dividers for calibration

• International measurement comparisons

Ultra-High Voltage Research

• Particle accelerator power systems

• Fusion energy experiments

• Plasma physics facilities

• Spacecraft power system testing

Critical Infrastructure

• Nuclear power plant monitoring

• HVDC converter station diagnostics

• National grid reference measurements

Operational Advantages

• Unmatched PD Performance: <1pC enables measurements impossible with conventional dividers

• Ultra-High Capacitance: 33nF capacity for energy-intensive systems

• Metrological Precision: <0.015%/kV voltage coefficient for reference-grade accuracy

• Thermal Stability: ±0.1% capacitance shift across extreme temperatures

• Future-Proof Design: Scalable for next-generation HV research

Installation & Integration

Laboratory Requirements

• Foundation: Vibration-isolated concrete base ≥0.5m³

• EMI Shielding: Faraday cage recommended for pC-level measurements

• Environmental Control: 25°C ±1°C for metrological work

• Clearance: 3m 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 7-step verification (10-100% in 15% increments)

Calibration & Maintenance

Metrological Procedures

Note: Includes on-site verification by metrology engineers