Technical Specifications

• Rated Voltage: 130kV AC RMS

• Nominal Capacitance: 3000pF

• Dividing Ratio: 1500:1 (±1.5% accuracy)

• Frequency Range: 20-300Hz (full accuracy)

• Dielectric Loss: ≤0.5% @ 25°C

• Insulation Withstand: 143kV/1min (110% rated voltage)

• Operating Duration: 60 minutes continuous @ 100% voltage

• Cooling System: ONAN (Oil Natural Air Natural)

• Phase Configuration: Single phase

Advanced Structural Design

Epoxy Tube Construction

• Oil-Paper Insulation: Superior dielectric properties for stable performance

• Epoxy Shell: High mechanical strength with excellent tracking resistance

• Modular Design: Field-replaceable components reduce downtime

Optimized Components

• Aluminum Corona Rings: Lightweight alloy for transport efficiency

• Removable Pedestal: Heavy-duty base with vibration damping

• Scalable HV Connections: Corona-free terminals for flexible configurations

Performance Validation

Compliance: Includes certified measurement report for 1500:1 ratio.

Specialized Applications

Resonant Testing Systems

• Transformer frequency response analysis

• High-voltage cable testing

• GIS (Gas-Insulated Switchgear) commissioning

Power Quality Analysis

• Sub-harmonic measurement

• Voltage flicker analysis

• Transient overvoltage capture

Industrial Research

• Power electronics prototype testing

• Medium-frequency transformer research

• Renewable energy converter validation

Operational Advantages

• Wide Frequency Response: 20-300Hz range for specialized testing

• High Ratio Accuracy: 1500:1 division for detailed measurements

• Robust Construction: Epoxy tube with oil-paper insulation ensures reliability

• Thermal Management: ONAN cooling maintains stability

• Maintenance Optimized: Removable base enables field servicing

Electrical Integration

Connection Protocol

1. Establish dual 35mm² ground connections to earth grid

2. Connect special measuring lead-wire to variable frequency source (20-300Hz)

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

4. Implement corona-free HV connections

5. Perform step-test (20%, 50%, 80%, 100%)

Measurement Configurations

• Single-Stage Mode: Standard 1500:1 division

• Dual-Stage Series Mode: Extended range for precision applications

• Frequency-Specific Calibration: Optional calibration at key frequencies

Safety & Maintenance

Critical Procedures

• Pre-Operation Check: Verify insulation integrity and grounding

• Frequency Ramp Rate: Max 50Hz/second when testing below 50Hz

• Thermal Monitoring: Required during extended low-frequency operation

• Discharge Protocol: 10-minute discharge after full-load operation

Maintenance Schedule