<100kV Range
LQHVF 60kV/4000pF Coupling Capacitor & Capacitive Voltage Divider
Ultra-high capacitance solution for critical power system measurements featuring industry-leading ≤2pC partial discharge performance and flexible dual-stage operation. Engineered for precision in HV laboratories, calibration facilities, and sensitive industrial applications.
Technical Specifications
Rated Voltage: 60kV AC RMS
Nominal Capacitance: 4000pF
Dividing Ratio: 2000:1 (±1% accuracy)
Frequency: 50/60Hz (30-300Hz optional)
Dielectric Loss: <0.2% @ 25°C
Capacitance Deviation: ≤±2.5%
Partial Discharge: ≤2pC at 60kV (industry best)
Insulation Withstand: 66kV/1min (110% rated voltage)
Operating Duration: 60 minutes continuous @ 100% rated voltage
Dimensions: Ø300mm (base)/Ø500mm (top) × 1600mm height
Weight: <280kg
Advanced Structural Design
Precision Engineering
Aluminum Corona Rings: Lightweight alloy construction reduces overall mass while eliminating corona discharge
Removable Pedestal: Heavy-duty base with quick-release mechanism for maintenance access
HV Connection System: Corona-free scalable terminals support various connector types
Compact Footprint: Optimized Ø300/500×1600mm dimensions for lab installations
Measurement Versatility
Dual-Stage Operation: Supports both single-stage and series configurations
Special Measuring Lead-Wire: Direct interface with variable frequency power sources
Scalable HV Connections: Adaptable to various test setups
Performance Validation
Parameter | Test Standard | Performance |
---|---|---|
Partial Discharge | IEC 60270 | ≤1.8pC @ 60kV |
Temperature Stability | IEC 60270 | ±0.15% capacitance shift (-20°C to +50°C) |
Voltage Coefficient | IEC 60060-1 | <0.05%/kV |
Phase Error | IEC 61869-11 | <3 minutes at 50Hz |
Compliance: Exceeds IEC 61869-11, IEEE C57.13, and ANSI C93.1 standards.
Premium Applications
Calibration Laboratories
National standards traceability
Reference divider for meter calibration
PD measurement system verification
Sensitive Industrial Processes
Semiconductor manufacturing power monitoring
Medical imaging equipment power systems
Precision electrolysis processes
High-Energy Research
Particle accelerator power systems
Plasma research facilities
Fusion energy test beds
Operational Advantages
Ultra-Low PD Performance: ≤2pC ensures unmatched measurement integrity
High-Capacitance Stability: 4000pF with ≤±2.5% deviation
Precision Ratio: 2000:1 division for high-resolution measurements
Thermal Management: ONAN cooling maintains stability during extended tests
Maintenance Optimized: Removable base reduces service downtime
Installation & Safety
Mounting Requirements
Foundation: Minimum 300mm² concrete base
Clearance: 1.5m radial clearance at full voltage
Grounding: Dual 35mm² copper cables to earth grid
Safety Protocol
Verify dielectric fluid level before operation
Establish safety perimeter per IEEE 516 guidelines
Perform three-point verification at 20%, 50%, 100% voltage
Monitor temperature rise during extended operation