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400kV ~ 600kV Range

LQHVF 500kV/2000pF Compact Dual-Function HV System | ≤2pC PD & ±1% Accuracy

Space-efficient 500kV coupling capacitor & voltage divider with ≤2pC partial discharge, ±1% accuracy & 550kV withstand. Lightweight design <150kg, 1-hour continuous operation.


  • US$ 11,599.00
  • Lead time: 30days

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Product Details

Product Tags

LQHVF 500kV/2000pF Compact Dual-Function Coupling Capacitor & Voltage Divider

Industry-leading compact solution delivering full 500kV performance with ≤2pC partial discharge in a lightweight, space-efficient design ideal for constrained installations.

Compact Powerhouse: Lightest 500kV dual-function solution at <150kg - 40% lighter than comparable systems

Technical Specifications

ParameterTwo-Stage SerialSingle StageTest Standard
Rated Voltage500kV250kVIEC 60060-1
Rated Capacity2000pF4000pFIEEE 4
Operation Frequency50HzIEC 60076
Partial Discharge≤2pC @ 100% rated voltageIEC 60270
Measuring Accuracy≤±1%IEEE 112
Dividing Ratio2000:1N/A
Continuous Operation60 minutes @ 100% ratingIEEE C57.91
Insulation Withstand550kV (110% rated) for 1minIEC 60071
DimensionsØ300mm × 2950mm (H)
Base: 1250mm
N/A
Weight<150kgN/A

Space-Efficient Advantages

Ultra-Compact Design

  • Total height: 2950mm

  • Base footprint: 1250mm

  • 40% smaller than standard 500kV dividers

Lightweight Construction

  • Total weight <150kg

  • Aluminum alloy components

  • Easy handling and installation

Premium Performance

  • ≤2pC partial discharge at 500kV

  • ±1% measurement accuracy

  • 550kV withstand capability

Dual-Function Capabilities

Precision Voltage Divider

  • 2000:1 nominal dividing ratio

  • Single and two-stage measurement

  • Special lead-wire to VF sources

Coupling Capacitor

  • 2000pF capacity (serial configuration)

  • 50Hz optimized signal injection

  • Power line carrier communication

Compact Integration

  • Dual-function in minimal footprint

  • 60% space saving vs separate units

  • Ideal for retrofit installations

Engineering Design Features

Optimized Corona System

  • Aerospace aluminum corona rings

  • Segmented transport-friendly design

  • Corona-free HV connections

Removable Stability Pedestal

  • Engineered for compact stability

  • Quick assembly/disassembly
  • 1250mm base footprint

Advanced Thermal Management

  • ONAN cooling efficiency

  • Maintains thermal stability

  • 60-minute continuous operation

Performance Validation

Test ParameterResultBenefit
Partial Discharge @ 500kV≤2pCUltra-sensitive insulation diagnostics
550kV WithstandNo dischargeReliable overload protection
Weight<150kgEasier installation and transport
Footprint Area1.25m²Space-efficient installation

Testing conducted per IEC 60270 and IEEE 4 standards

Space-Constrained Applications

Compact Substations

Ideal for urban power installations with space limitations

Mobile Test Labs

Lightweight design for vehicle-mounted testing systems

Retrofit Installations

Space-saving solution for existing infrastructure upgrades

Offshore Platforms

Compact footprint for marine environment constraints

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

  • CE, RoHS, and UKCA certified

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

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