Technical Specifications

• Rated Voltage: 100kV AC RMS

• Nominal Capacitance: 20,000pF (20nF)

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

• Frequency: 50Hz (30-300Hz optional)

• Dielectric Loss: <0.4% @ 25°C

• Insulation Withstand: 110kV/1min (110% rated voltage)

• Cooling System: ONAN (Oil Natural Air Natural)

• Operating Duration: 60 minutes continuous @ 100% voltage

Robust Structural Design

Industrial-Grade Construction

• Aluminum Corona Rings: Lightweight alloy reduces shipping costs while preventing corona discharge

• Removable Pedestal: Heavy-duty cast base with quick-release maintenance access

• Scalable HV Connections: Corona-free terminals support multiple configurations

• Oil-Immersed Design: Mineral oil insulation for thermal stability and arc suppression

Measurement System

• Special Measuring Lead-Wire: Direct interface with 30-300Hz variable frequency sources

• Dual-Stage Operation: Single-stage or series configurations for flexible testing

• Corona-Free HV Connection: Prevents measurement interference at high voltages

Performance Validation

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

Industrial Applications

Power Transmission

• EHV substation busbar monitoring

• Transformer diagnostic testing

• Switchgear partial discharge analysis

High-Energy Testing

• Cable resonant test systems

• Large capacitor bank validation

• HVDC converter station diagnostics

Industrial Processes

• Electrolytic manufacturing power monitoring

• High-power laser systems

• Semiconductor fabrication power systems

Operational Advantages

• High-Capacity Performance: 20,000pF capacitance for energy-intensive applications

• Dual-Function Design: Voltage divider and coupling capacitor in one unit

• Thermal Management: ONAN cooling ensures stability during extended operation

• Maintenance Optimized: Removable base enables field servicing

• Measurement Flexibility: Dual-stage configuration for versatile test setups

Installation & Integration

Foundation Requirements

• Base Area: Minimum 0.4m² reinforced concrete

• Anchoring: Four M20 anchor bolts (supplied)

• Clearance: 2.5m radial clearance at full voltage

Electrical Connection Protocol

1. Establish dual 50mm² ground cables to earth grid

2. Connect special measuring lead-wire to variable frequency source

3. Configure for single-stage or dual-stage operation

4. Implement corona-free HV connections

5. Perform step-test at 25%, 50%, 75%, 100% voltage

Safety & Maintenance

Critical Procedures

• Pre-Operation Check: Verify oil level and grounding integrity

• Thermal Monitoring: Continuous temperature tracking during operation

• Discharge Protocol: 10-minute discharge time after operation

• Preventive Maintenance: Bi-annual dielectric fluid analysis

Calibration Schedule