400kV ~ 600kV Range

LQHVF 500kV/1500pF Dual-Function HV System | 30-300Hz Range & Dual-Set Design

Advanced 500kV coupling capacitor & voltage divider with 30-300Hz frequency range, dual-set serial connection, ≤1.5% accuracy & 550kV withstand. Ideal for versatile HV testing.

US$ 10,928.00
Lead time: 30days

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Product Details

Product Tags

LQHVF 500kV/1500pF Dual-Function Coupling Capacitor & Voltage Divider

Advanced dual-set solution offering exceptional 30-300Hz frequency range with flexible configuration options for diverse high-voltage testing requirements.

Dual-Set Flexibility: Configurable as two 3000pF modules or single 1500pF system - ideal for adaptable testing scenarios

Technical Specifications

Parameter	Single Set	Two-Set Serial	Test Standard
Rated Voltage	250kV	500kV	IEC 60060-1
Rated Capacity	3000pF	1500pF	IEEE 4
Frequency Range	30Hz - 300Hz		IEC 60076-18
Voltage Ratio Error	≤1% (effective value)		IEC 61869-5
Dielectric Loss	<0.5%		IEC 60422
Measuring Accuracy	≤1.5%		IEEE 112
Dividing Ratio	2000:1		N/A
Insulation Withstand	550kV (110% rated) for 60s		IEC 60071
Cooling System	ONAN (Oil Natural Air Natural)		IEEE C57.12.00

Dual-Set Configuration Advantages

Independent Module Operation

250kV per 3000pF module
Ideal for medium-voltage testing
Parallel deployment capability

Serial High-Voltage Operation

500kV at 1500pF capacity
Full 30-300Hz frequency range
Scalable corona-free connection

Rapid Reconfiguration

Tool-free setup changes
Unified calibration for all modes
Field-switchable in under 15 minutes

Advanced Performance Features

Wide Frequency Operation

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

Precision Measurement

≤1% voltage ratio error
2000:1 nominal dividing ratio
Effective value accuracy

Robust Insulation

550kV withstand capability
Dual-set insulation coordination
ONAN cooling maintains stability

Dual-Function Capabilities

Coupling Capacitor Function

1500pF capacity (serial configuration)
Power line carrier communication
30-300Hz signal injection

Precision Voltage Measurement

2000:1 dividing ratio
Single and two-stage measurement
Special lead-wire to VF sources

Simultaneous operation supported in all configurations

Engineering Design Excellence

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

Modular Connection System

Scalable corona-free connections
Single/two-stage serial measurement
Variable frequency compatibility

Frequency Performance Validation

Frequency	Accuracy (500kV)	Dielectric Loss
30Hz	±1.45%	0.48%
50/60Hz	±1.25%	0.42%
150Hz	±1.35%	0.45%
300Hz	±1.48%	0.49%

Tested in two-set serial configuration per IEEE 4 standards

Versatile Applications

Resonant Test Systems

Full 30-300Hz range for variable frequency testing

Field Testing Operations

Modular design for transport and quick setup

Power Line Communication

Coupling capability for grid monitoring

Research & Development

Configurable setups for experimental designs

Compliance & Certifications

IEC 60060-1: High-voltage test techniques
IEEE 4: Standard for HV testing
IEC 60270: Partial discharge measurements
IEC 61869-11: Coupling capacitors
IEC 60076-18: Frequency response testing
CE, RoHS, and UKCA certified

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