400kV ~ 600kV Range

LQHVF 500kV/10,000pF Dual-Function HV System | Massive Capacity & ≤5pC PD

Industrial 500kV coupling capacitor & voltage divider with massive 10,000pF capacity, ≤5pC partial discharge, ±1% accuracy & 550kV withstand. 1-hour continuous operation.

US$ 14,354.00
Lead time: 30days

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Product Details

Product Tags

LQHVF 500kV/10,000pF Dual-Function Coupling Capacitor & Voltage Divider

Industrial-scale solution delivering both power line communication coupling and precision voltage measurement with massive 10,000pF capacity for high-energy applications.

Record Capacity: Industry's highest 10,000pF dual-function solution at 500kV - ideal for utility-scale power systems

Technical Specifications

Parameter	Two-Stage Serial	Single Stage	Test Standard
Rated Voltage	500kV	250kV	IEC 60060-1
Rated Capacity	10,000pF	20,000pF	IEEE 4
Operation Frequency	60Hz		IEC 60076
Partial Discharge	≤5pC @ 100% rated voltage		IEC 60270
Dielectric Loss	<0.2%		IEC 60422
Measuring Accuracy	≤±1%		IEEE 112
Dividing Ratio	2000:1		N/A
Continuous Operation	60 minutes @ 100% rating		IEEE C57.91
Insulation Withstand	550kV (110% rated) for 1min		IEC 60071
Energy Storage	1.25 kJ	0.625 kJ	N/A
Cooling System	ONAN (Oil Natural Air Natural)		IEEE C57.12.00

Massive Capacity Performance

Unmatched Energy Handling

10,000pF capacity in serial configuration
20,000pF in single-stage operation
1.25 kJ energy storage at 500kV

Precision Measurement

±1% voltage accuracy
2000:1 nominal dividing ratio
Stable 60Hz operation

Robust Insulation

550kV withstand capability
≤5pC partial discharge at full load
Advanced dielectric fluid formulation

Dual-Function Capabilities

High-Capacity Coupling

10,000pF capacity for power line carrier
60Hz optimized signal injection
Grid-scale communication capability

Precision Voltage Measurement

2000:1 nominal dividing ratio
Single and two-stage measurement
Scalable HV connections

Energy Storage Advantage

1.25 kJ storage at 500kV
Stabilizes during transient conditions
Enhances measurement accuracy

Industrial Design Features

Optimized Corona Control

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

Heavy-Duty Stability System

Engineered removable pedestal
Seismic-rated stability
Integrated measurement ports

Advanced ONAN Cooling

Natural oil-air convection
Maintains <0.2% dielectric loss
60-minute continuous operation

Performance Validation

Test Parameter	Result	Industry Benchmark
Partial Discharge @ 500kV	≤5pC	10-15pC (typical)
550kV Withstand	No discharge	110% rated standard
Capacity Accuracy	±2%	±5% (typical)
Thermal Stability	ΔT = 18°C @ full load	25-30°C (typical)