400kV ~ 600kV Range
LQHVF 500kV/2000pF Compact Dual-Function Coupling Capacitor & Voltage Divider
Industry-leading compact solution delivering full 500kV performance with ≤2pC partial discharge in a lightweight, space-efficient design ideal for constrained installations.
Compact Powerhouse: Lightest 500kV dual-function solution at <150kg - 40% lighter than comparable systems
Technical Specifications
Parameter | Two-Stage Serial | Single Stage | Test Standard |
---|---|---|---|
Rated Voltage | 500kV | 250kV | IEC 60060-1 |
Rated Capacity | 2000pF | 4000pF | IEEE 4 |
Operation Frequency | 50Hz | IEC 60076 | |
Partial Discharge | ≤2pC @ 100% rated voltage | IEC 60270 | |
Measuring Accuracy | ≤±1% | IEEE 112 | |
Dividing Ratio | 2000:1 | N/A | |
Continuous Operation | 60 minutes @ 100% rating | IEEE C57.91 | |
Insulation Withstand | 550kV (110% rated) for 1min | IEC 60071 | |
Dimensions | Ø300mm × 2950mm (H) Base: 1250mm | N/A | |
Weight | <150kg | N/A |
Space-Efficient Advantages
Ultra-Compact Design
Total height: 2950mm
Base footprint: 1250mm
40% smaller than standard 500kV dividers
Lightweight Construction
Total weight <150kg
Aluminum alloy components
Easy handling and installation
Premium Performance
≤2pC partial discharge at 500kV
±1% measurement accuracy
550kV withstand capability
Dual-Function Capabilities
Precision Voltage Divider
2000:1 nominal dividing ratio
Single and two-stage measurement
Special lead-wire to VF sources
Coupling Capacitor
2000pF capacity (serial configuration)
50Hz optimized signal injection
Power line carrier communication
Compact Integration
Dual-function in minimal footprint
60% space saving vs separate units
Ideal for retrofit installations
Engineering Design Features
Optimized Corona System
Aerospace aluminum corona rings
Segmented transport-friendly design
Corona-free HV connections
Removable Stability Pedestal
Engineered for compact stability
1250mm base footprint
Quick assembly/disassembly |
Advanced Thermal Management
ONAN cooling efficiency
Maintains thermal stability
60-minute continuous operation
Performance Validation
Test Parameter | Result | Benefit |
---|---|---|
Partial Discharge @ 500kV | ≤2pC | Ultra-sensitive insulation diagnostics |
550kV Withstand | No discharge | Reliable overload protection |
Weight | <150kg | Easier installation and transport |
Footprint Area | 1.25m² | Space-efficient installation |
Testing conducted per IEC 60270 and IEEE 4 standards
Space-Constrained Applications
Compact Substations
Ideal for urban power installations with space limitations
Mobile Test Labs
Lightweight design for vehicle-mounted testing systems
Retrofit Installations
Space-saving solution for existing infrastructure upgrades
Offshore Platforms
Compact footprint for marine environment constraints
Compliance & Certifications
IEC 60060-1: High-voltage test techniques
IEEE 4: Standard for HV testing
IEC 60270: Partial discharge measurements
IEC 61869-11: Coupling capacitors
CE, RoHS, and UKCA certified
Safety Compliance: Meets IEEE 516-2022 safety requirements for 500kV installations