LQSC 50KV/1000pF SF6 Standard Capacitor

Engineered for extra-high-voltage (EHV) applications, this 1000pF reference capacitor delivers metrology-grade 1×10^-5 tan δ accuracy at 50KV, making it indispensable for power equipment testing and calibration laboratories.

Technical Specifications

Key Advantages

1. High-Capacitance Performance

• Precision Electrodes: Optimized for 1000pF stability at EHV

• SF6 Insulation: 350kPa operation ensures corona-free measurements

• Thermal Stability: ±3×10^-5 capacitance deviation (-5°C to 45°C)

2. Measurement Versatility

• Dual use as reference capacitor and HV divider

• Direct interface with HCL 2876/2840 bridges

• Third-party tan delta system compatibility

Critical Applications

Power Industry Testing

• 500kV transformer insulation diagnostics

• EHV cable/bushing tan δ measurements

• Generator winding loss analysis

Calibration Laboratories

• HV ratio standard for CT/PT calibration

• Partial discharge system verification

• Inter-laboratory comparisons

Design Features

• Mobility Package: Heavy-duty wheels for 250kg unit

• Connection Options: Aviation + LEMO connectors

• Modular Design: Optional corona shielding for >200KV

• Gas System: Integrated pressure gauge + fill valve

Included Accessories

• SF6 pressure gauge (0-600kPa range)

• Gas recharge assembly with filter

• Standard top electrode

• Industrial mobility system

Quality Validation

1. 100% PD tested at 60.5KV

2. Thermal cycling with capacitance verification

3. Altitude testing ≤1000m

4. Humidity resistance at 75% RH

Note: For 200KV+ applications, consult factory for custom grading rings meeting IEEE Std 4-2013 requirements.