Technical Specifications

• Rated Voltage: 70kV AC RMS

• Nominal Capacitance: 500pF (+5%/-10%)

• Dividing Ratio: 1000:1 (±1% accuracy)

• Frequency Range: 50/60Hz (30-800Hz optional)

• Dielectric Loss: <0.3% @ 25°C

• Partial Discharge: <5pC at 70kV

• Temperature Coefficient: <80 × 10^-6 pF/°C

• Cooling System: ONAN (Oil Natural Air Natural)

• Operating Duration:

• 60 minutes continuous @ 100% rated voltage

• Unlimited operation @ 80% rated voltage

Advanced Structural Design

Oil-Immersed Modular Architecture

Dielectric fluid encapsulation ensures thermal stability and arc suppression. Removable components enable field servicing without specialized tools:

• Corona Rings: Dual-ring configuration prevents ionization at HV terminals

• LY Arm: Low-voltage interface with shielded BNC connectors

• HV Arm: Capacitive stack with graded field control

• Removable Base: Facilitates oil maintenance and component inspection

Compact Footprint

• Dimensions: 400mm × 400mm × 1000mm (W×D×H)

• Weight: <35kg (transportable by two technicians)

• Mounting: Dual M12 anchor points for permanent/portable installation

Performance Validation Metrics

Industrial Applications

Power Transmission

• Switchgear commissioning

• Transformer ratio verification

• Harmonic distortion analysis

Renewable Energy

• Solar farm combiner monitoring

• Wind turbine step-up transformers

• Battery isolation testing

Research & Development

• Dielectric material testing

• Partial discharge studies

• High-frequency impulse measurement

Operational Advantages

• Ultra-Low Loss: <0.3% dielectric loss ensures measurement accuracy in energy-critical applications

• Thermal Stability: Minimal capacitance drift (±0.002%/°C) across operating range

• Maintenance Optimized: Removable base reduces service downtime by 70% vs sealed units

• Safety Compliance: Double-insulated design meets IEC 61010 CAT IV requirements

Environmental Specifications

• Operating Temperature: -25°C to +55°C

• Altitude Rating: 3000m ASL

• Humidity: 0-95% non-condensing

• Cooling: Natural convection (no fans/blowers required)