Industrial-Grade Noise Filtration

Engineered for critical 3kV power systems, the LQLVF 400kVA/2*133A power noise filter delivers exceptional electromagnetic interference (EMI) suppression with industry-leading >70 quality factor and ultra-low<2pc partial="" discharge="" levels.="" designed="" for="" integration="" in="" sub-stage="" switchgear="" cabinets="">

Technical Specifications

Performance Highlights

High-Voltage Endurance

18kV/1min insulation rating for extreme electrical stress environments

Precision Filtering

>70 Q-factor ensures minimal energy loss during noise suppression

Ultra-Low Noise

<2pC partial discharge level for sensitive equipment protection

Dual-Circuit Reliability

Redundant 133A circuits for continuous operation

Critical Applications

• High-Voltage Switchgear: EMI suppression in 3-6kV distribution systems

• Industrial Power Plants: Harmonic filtering for turbine control systems

• Railway Electrification: Traction substation noise control

• Data Center Power: Clean power for critical server infrastructure

• Semiconductor Manufacturing: EMI protection for precision fabrication tools

Design & Safety Features

1. Reinforced Insulation: Multi-layer dielectric materials rated for 18kV

2. Thermal Management: Forced-air compatible design for 60min full-load operation

3. Frequency Adaptability: Stable performance across 50-60Hz power systems

4. Vibration Resistance: Heavy-duty 260kg construction for industrial environments

Installation Requirements

• Cabinet floor load capacity ≥300kg/m²

• Minimum clearance: 150mm top/bottom, 100mm sides

• Ambient temperature: -25°C to +55°C (derate above 40°C)

• Connection busbars: Minimum 25mm×5mm copper cross-section

Compliance: Meets IEC 60076-11 for power transformers and IEC 61000-4-10 for immunity testing.