Ultra-Low Loss Measurement for Demanding HV Applications

The LQHVF 200kV/2500pF capacitive voltage divider delivers exceptional measurement accuracy with its industry-leading ≤0.2% dielectric loss and ±1% accuracy. Engineered for 50Hz power systems, this high-capacity solution features 220kV withstand capability and flexible configuration options for comprehensive high-voltage testing.

"The highest capacitance divider in its class - 2500pF capacity with ≤0.2% dielectric loss enables precise measurement in high-interference environments."

Technical Specifications

Advanced Structural Design

[Diagram Placeholder: High-capacity voltage divider structure]

Fig 1: Oil-immersed design with removable components

Removable Corona Rings

Aluminum alloy construction for easy transport and storage

Stable Pedestal Base

Removable platform with vibration damping for precise measurements

Oil-Immersed Core

Mineral oil insulation with ONAN cooling for thermal stability

Scalable HV Connection

Corona-free terminals adaptable to various bus configurations

Performance Advantages

Key Benefits

Exceptional Signal Integrity

2500pF capacity provides superior noise immunity in EMI environments

Ultra-Low Energy Loss

≤0.2% dielectric loss ensures measurement accuracy

Enhanced Safety Margin

220kV withstand capability exceeds standard requirements

Measurement Flexibility

Supports multiple configurations for different test scenarios

Industrial Applications

HV Cable Testing

Precision measurement in high-interference environments

Transformer Diagnostics

Dielectric loss assessment at 200kV levels

GIS Commissioning

Withstand testing of gas-insulated switchgear

High-Power Labs

Reference measurement for calibration systems

Renewable Energy

Substation monitoring in wind/solar farms

Industrial HV Systems

Testing of high-power rectifiers and converters

Operational Features

40% higher capacitance than standard dividers - enabling more accurate measurements in electrically noisy environments with ≤0.2% dielectric loss.

• Special Measuring Lead-Wire: Shielded cable for noise-free signal transmission

• Corona-Free Connection: Scalable terminals prevent discharge at high voltages

• Thermal Stability: ONAN cooling maintains performance during 60-minute tests

• Transport Optimized: Removable corona rings and base for efficient shipping

• Safety Certified: 220kV withstand capability verified

Compliance & Standards

High-Voltage Testing

IEC 60060 • IEEE 4

Measurement Accuracy

IEC 61869-11 • IEEE C57.13

Safety Standards

IEC 61010 • EN 50191

Quality Assurance

ISO 9001 • ISO/IEC 17025

Why Choose This High-Capacity Divider?

The LQHVF 200kV/2500pF sets a new standard for capacitive voltage dividers with its exceptional 2500pF capacity and ultra-low ≤0.2% dielectric loss. The oil-immersed ONAN cooling system ensures thermal stability during extended 60-minute tests at full 200kV rating, while the 220kV withstand capability provides an essential safety margin. The removable aluminum corona rings and base enable efficient transport and storage, and the flexible measurement configurations support both single-stage and two-stage series measurements. Certified to international standards including IEC 60060 and IEEE 4, this solution is ideal for high-voltage laboratories, utility testing teams, and industrial facilities where measurement precision is critical.