<100kVA Range
LQLVF-15kVA/100A Power Noise Filter: High-Current EMI Control for Industrial Systems
Core Technical Specifications
Parameter | Specification |
---|---|
Model | LQLVF-15kVA/100A |
Rated Voltage | 0.4kV Input/Output |
Rated Current | 50A per Circuit (100A total) |
Frequency | 50Hz |
Circuits | 2 Independent Channels |
Full-Load Operation | 60 minutes at 100% rating |
Insulation Level | 3kV for 1 minute |
Performance Specifications
Attenuation:
40kHz-100kHz: >40dB
100kHz-1MHz: >60dB
Filter Reactor Q-Factor: >70 (Low signal distortion)
Partial Discharge: <2pC (Ultra-clean operation)
Insertion Loss: <0.5dB at 50Hz
Dual-Circuit Design Advantages
Independent Noise Control: Separate filtering for different load types
Cross-Contamination Prevention: -75dB inter-circuit noise rejection
Load Balancing: Distribute 100A total capacity across circuits
Maintenance Flexibility: Service one circuit while maintaining operation
Engineering Features
High-Current Reactors: 50A/channel with forced air cooling
Low-PD Construction: Vacuum-impregnated windings
Thermal Protection: Class-F insulation (155°C rating)
Surge Resistance: 6kV/3kA impulse withstand
Industrial Applications
Industrial CNC machine power conditioning
Plasma cutting system EMI control
Water treatment plant control systems
Pharmaceutical manufacturing equipment
Broadcast transmission equipment
"Dual-circuit filters with high Q-factor reactors provide essential noise separation in multi-load industrial environments where different equipment generate conflicting EMI profiles."
– IEEE Industry Applications Magazine
Installation Guidelines
Mount on vibration-isolated surfaces
Maintain 100mm clearance on all sides
Use 25mm² copper conductors with silver-plated lugs
Implement separate grounding for each circuit
Verify phase alignment before energization
Compliance & Testing Standards
IEC 61000-6-4 (Industrial emissions)
IEC 61000-6-2 (Industrial immunity)
IEC 60270 (Partial discharge measurement)
ANSI C62.41 (Surge withstand capability)
Performance Validation Tests
Test | Standard | Result |
---|---|---|
Temperature Rise | IEC 60076-11 | 65°C at full load |
Impulse Voltage | IEC 60060-1 | 3kV/1min pass |
Vibration | IEC 60068-2-6 | 5-150Hz @ 2g pass |
Partial Discharge | IEC 60270 | <2pC at 1.5Ur |
Maintenance Protocol
Monthly: Visual inspection for thermal discoloration
Quarterly: Torque check on power connections (35N·m)
Biannual: Insulation resistance test (>500MΩ at 2.5kV DC)
Annual: Attenuation verification with spectrum analyzer