SF6 Standard Capacitor
LQSC 1200KV SF6 Gas Insulated Standard Capacitor – High Accuracy HV Measurement
The LQSC 1200KV/20pF SF6 Gas Insulated Standard Capacitor is a precision instrument designed for high-voltage capacitance and dissipation factor (tan delta) measurements. With a rated voltage of 1200KV and ultra-low loss (tan δ ≤ 1×10-5), it ensures reliable performance in demanding electrical testing applications.
Key Specifications
Rated Voltage (Un): 1200KV
Withstand Voltage: 1320KV
Rated Capacitance (Cn): 20-50pF
Partial Discharge (PD) Level: ≤10pC
Dissipation Factor (tan δ): ≤1×10-5
Operating Temperature: -5°C to 45°C
SF6 Gas Pressure: 350±50 kPa
Applications
This SF6-insulated standard capacitor is widely used in:
Power Transformers & Cables: Precise tan delta and capacitance measurement for insulation diagnostics.
Generators & Motors: High-voltage loss assessment and insulation aging analysis.
HV Bushings & Instrument Transformers: Compliance testing per IEC 61869 and IEEE C57.19.00.
Capacitance Voltage Dividers: Enables high-accuracy power transformer loss measurement.
Design Features
SF6 Gas Insulation: Ensures stable performance with minimal dielectric loss.
Corona-Free Design (for ≥200KV models): Special top electrode maintains linear electric field distribution.
Mobility: Equipped with wheels for easy transportation.
Compatibility: Works seamlessly with tan delta bridges like HCL 2876 and HCL 2840.
Accessories Included
SF6 Gas Pressure Gauge
Fill-in Valve
Wheels (for mobility)
Top Electrode (for HV models)
Aviation/LEMO Connector
Why Choose This Standard Capacitor?
The LQSC 1200KV meets strict industry standards, including:
IEC 61869 (High-voltage instrument transformers)
IEEE C57.19.00 (Bushings testing)
ANSI/NETA ATS-2021 (Acceptance testing)
With its ultra-low dissipation factor and robust SF6 insulation, it is the ideal choice for utilities, testing labs, and high-voltage research facilities.