LQSC 500KV/50pF SF6 Gas Insulated Standard Capacitor

The LQSC 500KV/50pF represents the cutting edge in extra-high-voltage (EHV) measurement technology, engineered for precision diagnostics in 500KV+ power transmission systems and substations.

Key Specifications

• Rated Voltage: 500 kV AC

• Withstand Voltage: 550 kV (110% of rated)

• Nominal Capacitance: 50 pF ±0.3%

• Partial Discharge: ≤5 pC at 500KV

• Dissipation Factor: ≤1×10^-5

• Temperature Range: -5°C to +45°C operational

• SF6 Pressure: 350 ±50 kPa (5.1 bar)

Critical Applications

• EHV tan delta testing for 500KV-class transformers

• Insulation diagnostics on GIS systems and power cables

• Reference standard for calibration laboratories

• Capacitive voltage divider for switchgear testing

• Generator stator winding evaluation

Engineering Breakthroughs

1. Advanced Dielectric System

• Dual-pressure SF6 gas insulation (350kPa operating/500kPa burst)

• Precision-ground electrodes with ≤3×10^-5 linearity deviation

2. EHV Corona Control

• Patented toroidal top electrode for 500KV+ operation

• Graded ring design maintains ≤5pC PD up to 550KV

3. Field Deployment Features

• Heavy-duty pneumatic wheels with brake system

• IP54-rated enclosure for outdoor use

• Quick-disconnect LEMO 00B connectors

Included Accessories

• 500KV-rated corona ring assembly

• Digital SF6 density monitor (0-600kPa)

• Automatic fill valve with moisture filter

• Military-spec aviation connector kit

Performance Comparison

Certifications

• IEC 61869-11 (Instrument transformers)

• IEEE C57.13.6 (HV measurement standards)

• ASTM D2477 (Gas-insulated equipment)

Integration Compatibility

• Himalayal HCL-2876 Precision Tan Delta Bridge

• OMICRON CPC 100 test systems

• Doble F2500 test sets (with adapter)

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