600kV ~ 800kV Range

LQHVF 800kV/3000pF Wide-Frequency Capacitive Divider | HV Testing Solution

800kV capacitive voltage divider for 50-120Hz applications. Features 3000:1 ratio, <0.2% dielectric loss, ±1% accuracy, 880kV withstand, and ONAN cooling.

US$ 16,783.00
Lead time: 45 days

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Product Details

Product Tags

LQHVF 800kV/3000pF Wide-Frequency Capacitive Voltage Divider

Engineered for precision high-voltage testing across power systems, this 50-120Hz capacitive divider delivers laboratory-grade accuracy in field environments. With 3000:1 ratio and modular design, it's ideal for generator testing, cable validation, and renewable energy applications.

Core Technical Specifications

Parameter	Specification	Standard
Rated Voltage	800kV	IEC 60060-1
Frequency Range	50-120Hz	IEC 60076-16
Capacitance	3000pF	IEC 60358
Dividing Ratio	3000:1	-
Measurement Accuracy	≤±1%	IEC 60060-2
Dielectric Loss	<0.2%	IEC 60247
Insulation Withstand	880kV for 60s	IEEE 4
Cooling System	ONAN (Oil Natural Air Natural)	IEC 60502

Frequency Response Performance

Maintains <0.8% ratio error across 50-120Hz range at 800kV

Advanced Engineering Features

Modular Connection System

Single-stage and two-stage serial measurement
Scalable corona-free HV connections
Special lead-wire for variable frequency power sources
Harmonic distortion immunity (up to 15th order)

Optimized Thermal Management

ONAN cooling maintains oil temperature <55°C
Natural convection for zero maintenance operation
Thermal stability across operating frequency range

Structural Design Advantages

Field-Optimized Components

Aluminum Corona Rings: Detachable design for compact transport
Removable Pedestal: Provides stability on uneven terrain
Scalable HV Bushings: Corona-free up to 880kV
Compact Connection Points: Tool-free assembly

Performance Validation

Test	Condition	Result
Frequency Response	50-120Hz @ 800kV	±0.75% max deviation
Thermal Stability	60 mins @ 800kV	Oil ΔT <30K
Dielectric Withstand	880kV for 60s	No flashover/corona
Transport Simulation	IEC 60068-2-27	Zero calibration shift

Industry Applications

Generator Testing

60-120Hz withstand testing for turbine generators

HVDC Cable Validation

50-120Hz resonant testing on XLPE cables

Renewable Integration

Wind farm step-up transformer commissioning

Research Laboratories

Frequency-dependent dielectric studies

Operational Advantages

Field Deployment Efficiency

Rapid Configuration: 30-minute setup by 2 technicians
All-Weather Operation: -25°C to +50°C range
No External Power: Passive ONAN cooling system
Minimal Maintenance: Sealed oil-immersed design

Compliance & Certifications

IEC 60060-1/2: High-voltage test techniques
IEEE 4: Standard for HV testing
IEC 60270: Partial discharge measurements
IEC 60502: Power cable accessories
IEC 60076: Power transformers

Field Operation Tip

For frequencies above 100Hz, reduce test duration to 30 minutes to maintain optimal dielectric stability and measurement accuracy.

Ordering Information

Package includes: Capacitive divider unit, aluminum corona rings, removable pedestal, VF-compatible measuring leads, calibration certificate. Optional: Frequency response report, transport cradle, and field verification kit.