600kV ~ 800kV Range

LQHVF 800kV/1000pF Dual-Stage Capacitive Divider | Precision HV Measurement System

800kV oil-immersed capacitive divider with 4000:1 ratio, <0.2% dielectric loss, and <1% uncertainty. Features removable design, 60-minute operation, and PD testing capability.

US$ 14,034.00
Lead time: 45 days

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Product Details

Product Tags

LQHVF 800kV/1000pF Dual-Stage Capacitive Voltage Divider

Engineered for precision high-voltage measurement in critical power infrastructure, this oil-immersed capacitive divider delivers laboratory-grade accuracy with field-deployable modularity. Featuring 4000:1 ratio certification and whole-system PD testing capability, it's ideal for substation commissioning and high-voltage research.

Core Technical Specifications

Parameter	Specification	Standard
Rated Voltage	800kV	IEC 60060-1
Configuration	2-stage series	-
Nominal Capacitance	1000pF	IEC 60358
Dividing Ratio	4000:1	NIST Traceable
Measurement Uncertainty	<1%	IEC 60060-2
Dielectric Loss	<0.2%	IEC 60247
Continuous Operation	60 mins @ 800kV	IEEE 4
Partial Discharge	Whole-system measured	IEC 60270
Insulation Withstand	880kV for 60s	IEC 62271
Cooling System	Oil-immersed (ONAN)	IEC 60502

Innovative Structural Design

Modular Removable Components

Corona Rings: Detachable aluminum alloy
LV Arm: Precision signal output module
HV Arm: 800kV rated with scalable connections
Removable Base: Quick assembly/disassembly

Oil-Immersed Technology

Enhanced dielectric strength
Thermal stability during extended operation
Contaminant protection for field use
Self-healing properties

Precision Measurement System

High-Accuracy Instrumentation

4000:1 ratio with NIST-traceable calibration
<1% measurement uncertainty (RMS)
Automatic temperature compensation
Harmonic distortion immunity up to 1.5% THD

Performance Validation

Test	Condition	Result
Thermal Endurance	60 mins @ 800kV	Oil ΔT <28K
Ratio Linearity	200-800kV range	±0.9% deviation
Partial Discharge	Full system @ 800kV	<5pC sustained
Dielectric Withstand	880kV for 60s	No flashover/corona

Industry Applications

Substation Commissioning

800kV GIS testing with 4000:1 precision

Cable System Validation

Partial discharge mapping on XLPE cables

Transformer Testing

Dielectric loss measurement at 800kV

High-Voltage Research

Component stress testing with precision metrics

Operational Advantages

Field Deployment Efficiency

Rapid Assembly: Modular components install in <45 minutes
Transport Optimization: Disassembled footprint 60% smaller
No Special Tools: Bolt-free connection system
All-Weather Operation: -25°C to +50°C temperature range

Compliance & Certification

IEC 60060-1/2: High-voltage test techniques
IEEE 4: Standard for HV testing
IEC 60270: Partial discharge measurements
IEC 60137: Insulated bushings
NIST-traceable ratio calibration (4000:1)

Field Operation Tip

For PD measurements, ground all unused components and maintain 5-meter clearance from grounded objects to preserve <5pC sensitivity during whole-system tests.

Ordering Information

Package includes: HV/LV arms, removable base, aluminum corona rings, calibration certificate, and operation manual. Optional: Transport cases, field calibration kit, and PD measurement adapter.