LQLVF 140KV/2x350A Power Noise Filter: High-Current EMI Suppression for Voltage Regulators

Superior Noise Attenuation Performance

Engineered for critical EMI suppression in voltage regulator systems:

• 40KHz-100KHz range: >40dB attenuation

• 100KHz-1MHz range: >60dB attenuation

• Background partial discharge level: <5pC

• Filter reactor quality factor: <70 (optimized for broadband suppression)

Technical Specifications

Compact Regulator Integration Design

Optimized for direct installation in voltage regulator enclosures:

• Space-efficient form factor for retrofitting

• Direct-mount busbar connection system

• Vibration-resistant mounting brackets

• Thermal management aligned with regulator airflow

High-Current Capability

Robust design for demanding industrial applications:

• 700A total current capacity (2×350A)

• Copper windings with 200% short-circuit withstand

• Low-impedance design (≤0.05mΩ)

• Dynamic load response time <2ms

Critical Applications

Ideal for voltage regulator systems in:

• Industrial power conditioning units

• Utility substation voltage regulators

• Renewable energy step-down stations

• Manufacturing plant power stabilization

• Critical facility voltage control systems

Advanced Safety Features

Protection engineered for regulator environments:

• Arc-quenching barrier systems

• Over-temperature cut-off (150°C threshold)

• Real-time partial discharge monitoring ports

• Corona-resistant epoxy encapsulation

• IP54-rated components for contaminant protection

Installation & Maintenance Protocol

Ensure optimal performance in regulator installations:

1. Verify regulator cabinet clearance ≥50mm on all sides

2. Use silver-plated copper connectors (≥98% conductivity)

3. Perform thermal imaging quarterly during peak load

4. Test insulation resistance annually (≥500MΩ at 2.5kV DC)

5. Calibrate PD sensors every 24 months

Compliance & Standards

Meets international requirements including:

• IEC 61000-3-12 for harmonic emissions

• IEEE C57.15 for voltage regulator accessories

• EN 50178 electronic equipment for power installations

• ANSI/IEEE C62.41 surge protection standards

• RoHS 3 compliant materials

For regulator-specific installation kits or technical support, contact our engineering team. Performance validated per IEC 60270 partial discharge standards.