400kV ~ 600kV Range

LQHVF 500kV/800pF Wide-Frequency Voltage Divider | 30-300Hz Range & ≤1% Ratio Error

Precision 500kV capacitive divider with 30-300Hz frequency range, ≤1% voltage ratio error, ≤1.5% accuracy & 550kV withstand. 1-hour continuous operation.

US$ 10,122.00
Lead time: 30days

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Product Details

Product Tags

LQHVF 500kV/800pF Wide-Frequency Capacitive Voltage Divider

Precision measurement solution offering exceptional 30-300Hz frequency range with industry-leading ≤1% voltage ratio error for critical high-voltage applications.

Ultra-Precise Ratio: ≤1% voltage ratio error ensures measurement integrity in critical testing scenarios

Technical Specifications

Parameter	Specification	Test Standard
Rated Voltage	500kV	IEC 60060-1
Frequency Range	30Hz - 300Hz	IEC 60076-18
Rated Capacity	800pF	IEEE 4
Voltage Ratio Error	≤1% (effective value)	IEC 61869-5
Dielectric Loss	<0.5%	IEC 60422
Measuring Accuracy	≤1.5%	IEEE 112
Dividing Ratio	1000:1	N/A
Continuous Operation	60 minutes @ 100% rating	IEEE C57.91
Insulation Withstand	550kV (110% rated) for 60s	IEC 60071
Cooling System	ONAN (Oil Natural Air Natural)	IEEE C57.12.00

Precision Performance Features

Ultra-Accurate Voltage Ratio

≤1% voltage ratio error (effective value)
1000:1 nominal dividing ratio
Consistent across frequency range

Wide Frequency Operation

30-300Hz range for diverse applications
Stable performance across spectrum
Ideal for resonant testing and SFRA

Robust Insulation System

550kV withstand capability
ONAN cooling maintains stability
<0.5% dielectric loss

Advanced Engineering Design

Transport-Optimized Corona System

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

Removable Stability Pedestal

Engineered for seismic stability
Quick 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	Voltage Ratio Error	Measuring Accuracy
30Hz	≤0.95%	≤1.45%
50/60Hz	≤0.85%	≤1.25%
150Hz	≤0.92%	≤1.35%
300Hz	≤0.98%	≤1.48%

Tested at 500kV per IEEE 4 standards

Configuration Capabilities

Single-Stage Measurement

Direct high-accuracy measurement
Simplified setup
Full frequency range support

Two-Stage Serial Connection

Extended voltage range
Scalable configuration
Maintains precision specifications

Variable Frequency Compatibility

30-300Hz operation
Special lead-wire to VF sources
Optimized for resonant testing

Industry Applications

Transformer Frequency Response

Sweep Frequency Response Analysis (SFRA) up to 300Hz

Resonant Test Systems

Precision measurement in variable frequency resonant circuits

High-Power Research

Dielectric studies at multiple frequencies

Quality Assurance

Critical component validation with ≤1% ratio accuracy

Compliance & Certifications

IEC 60060-1: High-voltage test techniques
IEEE 4: Standard for HV testing
IEC 61869-5: Capacitor voltage transformers
IEC 60076-18: Frequency response testing
CE, RoHS, and UKCA certified

Safety Compliance: Meets IEEE 516-2022 safety requirements for 500kV installations