SF6 Standard Capacitor
LQSC 30KV/1000pF SF6 Gas Standard Capacitor
Engineered for ultra-high-voltage calibration, this SF6-insulated reference capacitor delivers laboratory-grade 1×10-5 tan δ accuracy at 30KV, making it ideal for critical power equipment diagnostics and metrology applications.
Technical Specifications
Parameter | Specification |
---|---|
Rated Voltage | 30 kV RMS |
Withstand Voltage | 33 kV (110% of Un) |
Nominal Capacitance | 1000pF ±0.3% |
SF6 Pressure Range | 350±50 kPa at 20°C |
Partial Discharge | <5 pC (IEC 60270 compliant) |
Temperature Coefficient | 3×10-5/°C |
Key Features
1. High-Voltage Performance
Linear Field Distribution: Optimized electrode design maintains stability up to 33KV
Corona-Free Operation: SF6 gas insulation eliminates partial discharge interference
Pressure-Stabilized: 350kPa SF6 ensures <3×10-5 capacitance deviation
2. Measurement Versatility
Dual-function as HV capacitance divider (transformer loss measurements)
Direct compatibility with HCL 2876/2840 tan delta bridges
Interchangeable with third-party test systems
Primary Applications
Power Industry Testing
EHV transformer insulation diagnostics
400kV+ bushing/cable assessments
Generator winding loss analysis
Calibration Laboratories
National metrology institute standards
PD measurement system verification
Inter-laboratory comparisons
Design Advantages
Mobility Package: Heavy-duty wheels for 200kg+ unit mobility
Connection Options: Aviation + LEMO connectors (user-selectable)
Modular Top Electrode: Custom designs available for >200KV applications
Gas Management: Integrated fill valve + pressure gauge
Included Accessories
Precision SF6 pressure gauge (0-600kPa range)
Gas recharge assembly with leak detection
Standard top electrode (for <100KV operation)
Industrial-grade mobility system
Quality Validation
100% partial discharge tested at 36.3KV (1.1× withstand)
Thermal cycling (-5°C to +45°C) with capacitance stability verification
Altitude testing ≤1000m ASL
72-hour humidity exposure at 75% RH
Note: For voltages exceeding 200KV, Himalayan provides custom corona ring designs to maintain IEC 61294-compliant field distribution.