<100kVA Range
LQLVF 20KVA/100A Power Noise Filter: High-Density EMI Control for Industrial Systems
Core Technical Specifications
Parameter | Specification |
---|---|
Model | LQLVF 20KVA/100A |
Rated Voltage | 0.4kV Input/Output |
Frequency Range | 50-60Hz |
Rated Current | 50A per Phase (100A total) |
Insulation Level | 3kV for 1 minute |
Weight | <12kg (Regulator-Integrated) |
Duty Cycle | 1 hour ON / 1 hour OFF (4 cycles/day max) |
Advanced Performance Metrics
Attenuation:
40kHz-100kHz: >40dB
100kHz-1MHz: >60dB
Filter Reactor Q-Factor: >70 (Minimal signal distortion)
Partial Discharge: <1pC (Laboratory-grade noise emission)
Insertion Loss: <0.3dB at 50Hz
Compact Regulator-Integrated Design
Space-Optimized: Direct mounting in standard regulator cabinets
Lightweight Construction: <12kg for easy installation
Thermal Management: Natural convection cooling design
Cyclic Operation: 1 hour ON / 1 hour OFF duty cycle
Engineering Features
High-Efficiency Reactors: Amorphous metal cores for reduced losses
Ultra-Low PD Design: Corona-suppression encapsulation
Wide Frequency Compatibility: 50-60Hz operation
Surge Protection: 6kV/3kA impulse withstand capability
Cyclical Operation Capability
Optimized for intermittent high-demand applications:
4 operational cycles per day maximum
1-hour continuous operation at 100% load
Mandatory 1-hour cooling period between cycles
Automatic thermal protection at 130°C
Industrial Applications
Industrial motor controller cabinets
PLC and SCADA system power conditioning
Welding equipment EMI suppression
Packaging machinery control systems
Laboratory test equipment power purification
"Compact EMI filters with sub-1pC partial discharge levels are revolutionizing power quality in space-constrained industrial control cabinets where traditional filters can't fit."
– Power Electronics Today Journal
Installation Guidelines
Mount vertically in regulator cabinet using M6 fasteners
Maintain 20mm clearance from adjacent components
Use 16mm² minimum conductor size for power connections
Implement single-point grounding with <0.1Ω resistance
Verify duty cycle compliance before operation
Compliance & Testing
IEC 61000-6-4 (Industrial emissions)
IEC 61000-6-2 (Industrial immunity)
IEC 60270 (Partial discharge measurement)
UL 1283 (EMI filters)
Thermal Performance Validation
Test Condition | Temperature Rise | Standard |
---|---|---|
Continuous 1-hour operation | ΔT ≤ 55°C | IEC 60076-11 |
4-cycle stress test | ΔT ≤ 65°C | IEC 60068-2-2 |
Ambient 40°C | Hot spot ≤ 95°C | IEC 60085 |
Maintenance Protocol
After Each Cycle: Visual inspection for thermal stress
Monthly: Torque check on terminals (25N·m)
Quarterly: Insulation resistance test (>100MΩ at 2.5kV DC)
Annually: Partial discharge verification