400kV ~ 600kV Range

LQHVF 460kV/1500pF Dual-Stage Voltage Divider | 20-300Hz Range & ≤10pC PD

Advanced 460kV capacitive divider with dual-stage operation, 20-300Hz frequency range, ≤10pC partial discharge & 506kV withstand. 1-hour continuous operation.

US$ 10,672.00
Lead time: 30days

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Product Details

Product Tags

LQHVF 460kV/1500pF Dual-Stage Capacitive Voltage Divider

Advanced dual-stage solution offering exceptional flexibility with 20-300Hz frequency range and configurable operation modes for diverse high-voltage testing requirements.

Frequency Flexibility: Only 460kV divider supporting 20-300Hz operation - ideal for resonant testing and harmonic analysis

Technical Specifications

Parameter	Single Stage	Two-Stage Series	Test Standard
Rated Voltage	230kV	460kV	IEC 60060-1
Rated Capacity	3000pF	1500pF	IEEE 4
Frequency Range	20Hz - 300Hz		IEC 60076
Partial Discharge	≤10pC @ 100% rated voltage		IEC 60270
Dielectric Loss	<0.5%		IEC 60422
Measuring Accuracy	≤±1%		IEEE 112
Dividing Ratio	1000:1		N/A
Continuous Operation	60 minutes @ 100% rating		IEEE C57.91
Insulation Withstand	506kV (110% rated) for 1min		IEC 60071
Cooling System	ONAN (Oil Natural Air Natural)		IEEE C57.12.00

Dual-Stage Operation Modes

Single-Stage Configuration

230kV maximum voltage
3000pF capacity
Ideal for medium-voltage testing

Two-Stage Series Configuration

460kV maximum voltage
1500pF capacity
Full 20-300Hz frequency range

Flexible Switching

Rapid reconfiguration capability
No tools required for mode change
Unified calibration for both modes

Advanced Performance Features

Wide Frequency Operation

20-300Hz range for diverse applications
Stable performance across entire spectrum
Ideal for harmonic analysis and resonant testing

Precision Measurement

±1% voltage accuracy
1000:1 nominal dividing ratio
Consistent across both operation modes

Robust Insulation System

506kV withstand capability (110% rated)
Zero abnormal discharge during testing
Advanced dielectric fluid formulation

Modular Design Advantages

Transport-Optimized Corona System

Aerospace-grade aluminum corona rings
Segmented design for compact packing
Corona-free HV connections

Removable Stability Pedestal

Engineered for seismic stability
Tool-free assembly/disassembly
Integrated measurement ports

Flexible Measurement System

Special lead-wire to VF power sources
Single/two-stage serial measurement
Scalable corona-free connections

Frequency Performance Validation

Frequency	Accuracy Deviation	Dielectric Loss
20Hz	+0.9%	0.48%
50/60Hz	+0.7%	0.42%
150Hz	+0.8%	0.45%
300Hz	+0.95%	0.49%

Tested at 460kV in two-stage configuration per IEEE 4 standards

Industry Applications

Resonant Test Systems

Full 20-300Hz range for variable frequency resonant testing

Transformer Frequency Response

Sweep frequency response analysis (SFRA) up to 300Hz

High-Power Harmonic Analysis

Measure harmonic distortion in HV systems

Research & Development

Flexible configuration for experimental setups

Compliance & Certifications

IEC 60060-1: High-voltage test techniques
IEEE 4: Standard for HV testing
IEC 60270: Partial discharge measurements
IEC 60076-18: Frequency response testing
CE, RoHS, and UKCA certified

Safety Compliance: Meets IEEE 516-2022 safety requirements for 460kV installations