400kV ~ 600kV Range

LQHVF 600kV/1500pF Coupling Capacitor & Voltage Divider | Dual-Function HV Measurement System

LQHVF 600kV/1500pF dual-function system: Coupling capacitor & voltage divider with 2000:1 ratio, <5pC PD, and aluminum corona rings. Features scalable HV connections & 1-hour continuous operation.

US$ 11,237.00
Lead time: 30days

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Product Details

Product Tags

LQHVF 600kV/1500pF Dual-Function System: Coupling Capacitor & Capacitive Voltage Divider

Precision High-Voltage Measurement & Energy Transfer

Engineered for critical power infrastructure applications, the LQHVF 600kV/1500pF system combines coupling capacitor functionality with precision voltage measurement in a single integrated solution. With its 2000:1 dividing ratio and industry-leading ≤1% accuracy, this dual-purpose system delivers unmatched performance in high-voltage testing environments.

Technical Specifications

Parameter	Specification	Standard Compliance
Rated Voltage	600kV AC @ 50Hz	IEC 60060-1
Nominal Capacitance	1500pF ±10%	IEC 60137
Dividing Ratio	2000:1	IEEE 4
Dielectric Loss	<0.2% @ 20°C	IEC 60247
Partial Discharge	<5pC @ 600kV (100% U_H)	IEC 60270
Insulation Withstand	660kV (110%) for 1 minute	IEC 60071-2
Measuring Accuracy	≤1%	IEC 61869-11
Continuous Operation	60 minutes @ 600kV	ANSI C57.12.90

Dual-Functional Operation

Coupling Capacitor Mode

Efficient energy transfer for power line carrier (PLC) communication systems with 1500pF coupling capacitance and <0.2% dielectric loss.

Voltage Divider Mode

Precision measurement with 2000:1 ratio and ≤1% accuracy for high-voltage testing applications.

Advanced Engineering Features

Aluminum Corona Rings

Lightweight alloy corona suppression rings ensure corona-free operation up to 660kV while enabling compact transportation.

Removable Stabilizing Pedestal

Engineered base provides exceptional field stability with quick-disconnect functionality for rapid deployment.

Multi-Configuration Measurement

Special lead-wire system enables:

Single-stage and two-stage serial voltage measurement
Compatibility with variable frequency power sources
Scalable corona-free HV connections

ONAN Cooling Technology

Oil-Natural Air-Natural thermal management maintains stable operation during extended 600kV testing.

Industry Applications

Power Transmission

Line coupling for PLC communication in 500kV+ transmission networks

Substation Testing

Precision voltage measurement during circuit breaker timing tests

Cable Testing

Resonant test systems for XLPE cable commissioning at 50Hz

Research Laboratories

Reference standard for high-voltage meter calibration

Performance Validation

Partial Discharge Test: Certified <5pC at 600kV per IEC 60270
Dielectric Strength: 1-minute withstand at 660kV with zero discharge events
Thermal Stability: ≤15°C oil temperature rise during 60-minute continuous operation
Ratio Accuracy: Verified with NIST-traceable calibration sources