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LQHVF 100kV/15000pF Capacitive Voltage Divider & Coupling Capacitor | High-Capacity HV Solution

Industrial-grade 100kV/15000pF capacitive voltage divider/coupling capacitor with ≤0.4% dielectric loss. Features removable base, aluminum corona rings, and dual-stage measurement for high-energy applications.


  • US$ 4,127.00
  • Lead time: 30 days

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Product Details

Product Tags

LQHVF 100kV/15000pF Capacitive Voltage Divider & Coupling Capacitor

High-capacity solution for industrial power testing featuring 15nF capacitance and dual-function operation. Combines precision voltage measurement with coupling capabilities for substation monitoring, resonant testing, and high-energy applications.

Technical Specifications

  • Rated Voltage: 100kV AC RMS

  • Nominal Capacitance: 15,000pF (15nF)

  • Dividing Ratio: 1000:1 (±1% accuracy)

  • Frequency: 50Hz (30-300Hz optional)

  • Dielectric Loss: <0.4% @ 25°C

  • Insulation Withstand: 110kV/1min (110% rated voltage)

  • Cooling System: ONAN (Oil Natural Air Natural)

  • Operating Duration: 60 minutes continuous @ 100% voltage

Industrial Structural Design

Robust Construction

  • Aluminum Corona Rings: Lightweight alloy reduces shipping weight while preventing discharge

  • Removable Pedestal: Heavy-duty base with quick-release maintenance access

  • Scalable HV Connections: Corona-free terminals for flexible configurations

  • Oil-Immersed Design: Mineral oil insulation for thermal stability

Measurement System

  • Special Measuring Lead-Wire: Direct interface with variable frequency sources (30-300Hz)

  • Dual-Stage Operation: Single-stage or series configurations

  • HV Corona-Free Connection: Prevents measurement interference

Performance Validation

ParameterTest StandardPerformance
Capacitance StabilityIEC 60270±0.9% from 10-100% voltage
Voltage WithstandIEC 60060-1110kV/1min (110% rated)
Temperature RiseIEEE C57.19.0036°C above ambient @ full load
Phase ErrorIEC 61869-11<3 minutes at 50Hz

Compliance: Meets IEC 61869-11, IEEE C57.13, and ANSI/NETA MTS-2023 standards.

Industrial Applications

Power Transmission

  • Substation busbar monitoring

  • Transformer diagnostic testing

  • Switchgear partial discharge analysis

Resonant Testing

  • High-voltage cable testing

  • Large capacitor bank validation

  • GIS commissioning

Industrial Processes

  • Electrolytic manufacturing

  • High-power industrial lasers

  • Semiconductor fabrication

Operational Advantages

  • High-Capacity Performance: 15,000pF for energy-intensive applications

  • Dual-Function Design: Voltage divider and coupling capacitor in one unit

  • Thermal Management: ONAN cooling maintains stability

  • Maintenance Optimized: Removable base enables field servicing

  • Measurement Flexibility: Dual-stage configuration for versatile setups

Installation & Integration

Foundation Requirements

  • Base Area: 0.35m² reinforced concrete

  • Anchoring: Four M16 anchor bolts

  • Clearance: 2.2m radial clearance

Electrical Connection Protocol

  1. Establish dual 40mm² ground connections

  2. Connect measuring lead-wire to variable frequency source

  3. Configure for single-stage or dual-stage operation

  4. Implement corona-free HV connections

  5. Perform step-test (25%, 50%, 75%, 100%)

Safety & Maintenance

Critical Procedures

  • Pre-Operation Check: Verify oil level and grounding

  • Thermal Monitoring: Track temperature during operation

  • Discharge Protocol: 8-minute discharge after operation

Maintenance Schedule

IntervalProcedure
QuarterlyDielectric fluid integrity test
BiannuallyCapacitance stability verification
AnnuallyFull calibration and certification

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