LQSC 300KV/70pF SF6 Gas Insulated Standard Capacitor

The LQSC 300KV/70pF SF6 Standard Capacitor represents the pinnacle of ultra-high-voltage measurement technology, designed for precision tan delta testing and insulation diagnostics in critical power applications.

Technical Specifications

• Rated Voltage: 300 kV

• Withstand Voltage: 330 kV (10% above rated)

• Capacitance: 70 pF ±0.5%

• Partial Discharge: ≤5 pC

• Dissipation Factor (Tan δ): ≤1×10^-5

• Operating Temperature: -5°C to +45°C

• Altitude Rating: ≤1000m (higher on request)

• SF6 Gas Pressure: 350 ±50 kPa

Primary Applications

• Precision tan delta measurement for insulation systems

• Ultra-high-voltage testing of power transformers (400kV+)

• Generator and motor winding diagnostics

• Calibration reference for HV test bridges

• Capacitance divider for energy loss analysis

Advanced Design Features

1. Enhanced SF6 Insulation System

Maintains stable dielectric properties even at 330KV, with automatic pressure monitoring via included gauge.

2. Specialized Electrode Configuration

• Patented top electrode design for 300KV+ operation

• Precision-machined components ensure ≤3×10^-5 voltage deviation

• Corona-free operation guaranteed up to rated voltage

3. Field-Ready Configuration

• Heavy-duty wheels for lab/field mobility

• Military-grade aviation connectors (LEMO optional)

• All-weather operation (-5°C to +45°C)

Included Accessories

• High-precision SF6 pressure gauge (0-500kPa range)

• Quick-connect fill valve with leak-proof design

• 300KV-rated corona ring assembly

• Standard LEMO/aviation connector kit

Performance Advantages

Standards Compliance

Meets or exceeds requirements of:

• IEC 60060-1 (High-voltage test techniques)

• IEEE C57.152 (Power transformer testing)

• ASTM D1868 (Dielectric breakdown standards)

Compatible Test Equipment

Designed to work seamlessly with:

• Himalayal HCL 2876 Tan Delta Bridge

• HCL 2840 Precision Measurement System

• Most third-party HV test sets (requires LEMO adapter)