LQHID 300KV/300pF Weak Damping Capacitor Voltage Divider

Engineered for ultra-high-voltage impulse testing, the LQHID 300KV/300pF Multistage Capacitor Divider delivers precision measurements up to 300kV. Featuring distributed damping technology, flashover-resistant design, and GB/T16927 compliance, this robust solution is ideal for power transmission testing and high-voltage research applications.

Technical Specifications

Innovative Design Features

Multistage Capacitor Architecture

Series-connected pulse capacitors with distributed damping resistors eliminate inductance for accurate high-frequency response during 300kV impulses.

Flashover Prevention System

• Top-mounted stainless steel electrode minimizes corona discharge

• Polyurethane wheels with locking braces prevent movement during tests

• Optimized electrode geometry reduces switching surge flashover risk

Mobile Heavy-Duty Base

High-strength movable platform features:

• Industrial-grade polyurethane wheels (2000kg load capacity)

• Integrated grounding points for safety

• Field-installable top electrode for transportation efficiency

Performance Advantages

Standards & Certification

• Full compliance with GB311 square wave response (0-9.9μS)

• GB/T16927.1-2011 high-voltage testing standards

• Includes nationally accredited calibration certificate

• Compatible with IEC 60060-1 and IEEE 4 test protocols

Industrial Applications

• Transmission Line Testing: 300kV+ lightning impulse tests on insulators

• Generator Validation: Switching surge measurements for turbine generators

• Substation Equipment: GIS circuit breaker impulse withstand testing

• Research Institutions: HVDC converter station transient studies

Mechanical Specifications

• Base construction: Powder-coated carbon steel (1.5mm thickness)

• Electrode material: 304 stainless steel tube (field-installed)

• Wheel specification: 150mm diameter polyurethane with brake system

• Transportation: Disassembled top electrode (anti-corrosion packaging)

Operational Safety

• Automatic discharge circuit for capacitor banks

• 3-meter minimum clearance distance at 300kV operation

• Tested for 150% overvoltage withstand (450kV, 5 seconds)

• EMI shielding for control signal integrity

Calibration & Maintenance

• Pre-delivery national calibration certificate included

• Annual dielectric verification at 350kV AC

• Biannual resistance measurement of damping network

• 5-year full system recertification cycle

Why Choose This Divider?

The LQHID 300KV/300pF provides critical advantages for ultra-high-voltage testing:

• Distributed damping for true waveform reproduction

• Mobile design for field testing flexibility

• Flashover-resistant construction for reliable 300kV impulses

• Full GB/T16927 compliance with traceable certification

Technical Support Services

• On-site installation supervision

• GB/T16927 compliance verification reports

• Custom calibration for specific test protocols

• Lifetime technical consultation