400kV ~ 600kV Range
LQHVF 450kV/15,000pF High-Capacity Capacitive Voltage Divider
Industrial-scale solution for high-energy testing applications featuring exceptional 15,000pF capacity and precision measurement capabilities.
Industry-Leading Capacity: Highest available 15,000pF rating at 450kV - ideal for high-energy systems testing
Technical Specifications
| Parameter | Specification | Test Standard |
|---|---|---|
| Rated Voltage | 450kV | IEC 60060-1 |
| Rated Capacity | 15,000pF | IEEE 4 |
| Operation Frequency | 50Hz | IEC 60076 |
| Partial Discharge | ≤2pC @ 100% rated voltage | IEC 60270 |
| Dielectric Loss | <0.2% | IEC 60422 |
| Measuring Accuracy | ≤±1% | IEEE 112 |
| Dividing Ratio | 2000:1 | N/A |
| Insulation Withstand | 495kV (110% rated) for 1min | IEC 60071 |
| Cooling System | ONAN (Oil Natural Air Natural) | IEEE C57.12.00 |
| Energy Storage Capacity | 1.52 kJ @ 450kV | N/A |
High-Capacity Performance Features
Massive Energy Handling
15,000pF capacity - 10x industry standard
1.52 kJ energy storage at 450kV
Ideal for high-power system testing
Ultra-Precise Measurement
±1% voltage accuracy
2000:1 nominal dividing ratio
Stable 50Hz operation
Exceptional Insulation
495kV withstand capability
≤2pC partial discharge at full load
Advanced dielectric fluid system
Industrial-Grade Design
Optimized Corona Management
Aerospace-grade aluminum corona rings
Segmented design for transportation
Corona-free HV connections
Reinforced Stability System
Heavy-duty removable pedestal
Seismic-rated stability
Integrated measurement ports
Advanced Cooling Technology
High-efficiency ONAN cooling
Maintains <0.2% dielectric loss
Optimized thermal distribution
Measurement Capabilities
| Connection Type | Capability | Application |
|---|---|---|
| Single-Stage | Direct high-accuracy measurement | Standard factory testing |
| Two-Stage Serial | Extended voltage range measurement | Ultra-high voltage applications |
| Scalable HV | Custom voltage configurations | Specialized research setups |
All configurations use special shielded lead-wires to variable frequency power sources
Performance Validation
| Test Parameter | Result | Industry Benchmark |
|---|---|---|
| Partial Discharge @ 450kV | ≤2pC | 5-10pC (typical) |
| 495kV Withstand | No discharge | 110% rated standard |
| Dielectric Loss | 0.18% | <0.5% (typical) |
| Thermal Stability | ΔT = 18°C @ full load | 25-30°C (typical) |
Testing conducted per IEC 60270 and IEEE 4 standards
Industrial Applications
Power Transformer Testing
High-capacity measurement for large power transformers
High-Energy Research
Particle accelerator and fusion research applications
Utility-Scale Testing
Commissioning of extra-high voltage transmission systems
Industrial Capacitor Banks
Validation testing for large capacitor bank installations
Compliance & Certifications
IEC 60060-1: High-voltage test techniques
IEEE 4: Standard for HV testing
IEC 60270: Partial discharge measurements
IEC 60158: Capacitor voltage transformers
ANSI/NETA ATS-2021: Acceptance testing
CE, RoHS, and UKCA certified
Safety Compliance: Meets IEEE 516-2022 safety requirements for 450kV installations
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