Gas Coupling Capacitor
HGCC 1200KV/500pF SF6 Gas Insulated Coupling Capacitor
Pushing the boundaries of high-voltage measurement, the HGCC 1200KV/500pF sets new standards with its 1200kV rating and exceptional ≤1pC partial discharge performance at 800kV. This SF6 gas-insulated capacitor delivers laboratory-grade precision for the most demanding ultra-high-voltage applications.
Technical Specifications
Parameter | Specification |
---|---|
Rated Voltage | 1200kV |
Rated Capacitance | 500pF ±3% |
Frequency | 50Hz |
Dielectric Loss (tanδ) | <0.3% |
Temperature Coefficient | <0.0005 |
Measuring Accuracy | ≤±1% |
Partial Discharge | ≤3pC @ 1000kV, ≤1pC @ 800kV |
Withstand Voltage | 1260kV (105%) for 60s |
Insulation Medium | SF6 Gas |
Breakthrough Performance
1. World-Class Voltage Endurance
1260kV (105% rated voltage) withstand for 60 seconds
Optimized 5-minute operational bursts at 1200kV
Advanced thermal design for 20 daily cycles
2. Unmatched Partial Discharge Control
Industry-low ≤1pC at 800kV operation
Ultra-clean ≤3pC performance at 1000kV
Special electrode polishing minimizes corona effects
3. Precision Thermal Management
5 minutes operation / 30 minutes cooling cycle
Maximum 20 cycles per day (100 minutes total operation)
Integrated temperature sensors for real-time monitoring
Engineering Innovations
Advanced Gas System
Multi-chamber SF6 design maintains optimal pressure gradients across all voltage levels
Conducting Rod Architecture
Precision-machined tungsten core with graded potential distribution
Critical Applications
UHV Transmission Research: 1100kV+ power line development
Particle Accelerators: High-energy physics experiments
HVDC Converter Stations: Valve hall testing
National Grid Testing: Next-gen transmission validation
Certifications & Standards
IEC 61869-11 (UHV measurement devices)
IEEE Std 1313.2 (Extreme voltage testing)
CIGRE TB 496 (UHV equipment guidelines)
Competitive Advantages
Voltage Leadership: Highest commercially available 1200kV rating
Discharge Precision: Best-in-class ≤1pC at 800kV
Thermal Efficiency: Patented cooling cycle technology
Research-Grade: Adopted by 8 national high-voltage labs
Operational Protocol
Strict adherence to 5min/30min duty cycle required. Exceeding 20 daily cycles voids warranty.