<100kVA Range
LQLVF-30kVA/75X2A Power Noise Filter: High-Capacity Dual-Circuit EMI Suppression
Core Technical Specifications
Parameter | Specification |
---|---|
Model | LQLVF-30kVA/75X2A |
Rated Voltage | 0.4kV Input/Output |
Rated Current | 75A per Circuit (150A total) |
Frequency | 50Hz |
Circuits | 2 Independent Channels |
Full-Load Operation | 60 minutes at 100% rating |
Insulation Level | 3kV for 1 minute |
Weight | 30kg (Regulator-Integrated) |
Performance Specifications
Attenuation:
40kHz-100kHz: >40dB
100kHz-1MHz: >60dB
Filter Reactor Q-Factor: >70 (Low signal distortion)
Partial Discharge: <5pC (Industrial-grade noise control)
Insertion Loss: <0.4dB at 50Hz
Dual-Circuit Design Advantages
Independent Noise Control: Separate EMI filtering for different equipment
Cross-Talk Prevention: -70dB inter-circuit interference rejection
Load Flexibility: 75A per circuit for precise power distribution
Maintenance Continuity: Service one circuit while maintaining partial operation
Regulator-Integrated Engineering
Space-Optimized: Direct mounting in standard regulator cabinets
Robust Construction: 30kg industrial-grade design
Thermal Management: Natural convection cooling with thermal cut-off
High-Density Design: 1.5kVA/kg power density
Industrial Applications
Industrial automation control cabinets
Manufacturing plant motor control centers
Water treatment facility power systems
Packaging machinery electrical panels
Material handling system power conditioning
"Dual-circuit EMI filters with regulator integration provide essential noise separation in industrial control cabinets where space constraints demand compact, high-performance solutions."
– Industrial Electronics Magazine
Installation Guidelines
Mount vertically in regulator cabinet using M8 fasteners
Maintain 50mm clearance from heat-generating components
Use 35mm² copper conductors with tin-plated lugs
Implement isolated star-point grounding for each circuit
Verify circuit isolation before dual-load operation
Performance Validation Tests
Test | Standard | Result |
---|---|---|
Temperature Rise | IEC 60076-11 | 60°C at full load |
Partial Discharge | IEC 60270 | <5pC at 1.5Ur |
Impulse Withstand | IEC 60060-1 | 3kV/1min pass |
Vibration Endurance | IEC 60068-2-6 | 5-150Hz @ 1.5g pass |
Compliance & Standards
IEC 61000-6-4 (Industrial emissions)
IEC 61000-6-2 (Industrial immunity)
EN 50178 (Electronic equipment for power systems)
UL 1283 (EMI filters)
Maintenance Protocol
Monthly: Visual inspection for thermal stress marks
Quarterly: Terminal torque check (35N·m)
Biannual: Insulation resistance test (>100MΩ at 2.5kV DC)
Annual: Attenuation verification with spectrum analyzer