LQHVF 1500kV/2000pF Triple-Series Capacitive Voltage Divider

Engineered for ultra-high-voltage precision in 50Hz networks, this innovative voltage divider utilizes three series-connected units to achieve 1500kV measurement capability with industry-leading ≤0.2% dielectric loss and 4000:1 signal reduction ratio.

Core Specifications

Triple-Series Configuration

[Diagram Placeholder: 3 units stacked vertically]

Voltage Distribution: 500kV per unit

Distributed Voltage Technology

• Balanced Stress Design: Equal voltage gradient across all units

• Inter-unit Connectors: Corona-free interfaces rated for 600kV

• Modular Maintenance: Individual unit replacement capability

• Scalable Measurement:

• Single-unit: 500kV operation

• Dual-unit: 1000kV operation

• Triple-unit: 1500kV operation

Partial Discharge Performance

[Graph Placeholder: PD (pC) vs Voltage (kV)]

• 80% Rated Voltage (1050kV): <2pC - Ideal for routine monitoring

• 100% Rated Voltage (1500kV): <10pC - Exceeds IEC 60270 Class A

• 110% Insulation Test (1650kV): Zero sustained discharges

Engineering Innovations

• Advanced ONAN Cooling
  
         Triple-stage oil circulation with radiators maintains ΔT <15°C at full load

• Aerospace Corona Control
  
         Computer-optimized aluminum alloy rings eliminate corona above 300kV per unit

• Smart Pedestal System

• Removable base with leveling jacks

• Seismic stability: withstands 0.3g vibration

• Integrated HV/LV measurement ports

• Frequency-Adaptive Measurement
  
         Special lead-wire interface supports 45-55Hz variable frequency sources

Compliance & Safety

• IEC 61869-11:2018 (Instrument Transformers)

• IEEE 4-2021 (High-Voltage Testing Techniques)

• Double-shielded Faraday cage construction

• Automatic pressure-relief valves on each unit

Industrial Applications

• HVDC Converter Stations: Valve-side voltage monitoring at ±800kV

• Power Transformer Testing: Impulse withstand verification

• Research Facilities: Nuclear fusion power supply diagnostics

• Grid Interconnection: Phase synchronization at 765kV+

Operational Protocol

• Installation: Minimum clearance: 6m phase-to-ground

• Commissioning: Perform dielectric loss test at 30% voltage

• Calibration: Annual traceability to NIST references

• Transport: Ship units separately in anti-corona packaging

Performance Advantage: The triple-series design reduces electric field stress by 60% compared to single-unit dividers, enabling unmatched long-term stability in 50Hz high-voltage measurement applications.