<100kVA Range
LQLVF 10KVA/0.4KV Power Noise Filter: Precision EMI Control for Sensitive Equipment
Core Technical Specifications
Parameter | Specification |
---|---|
Model | LQLVF 10KVA/0.4KV |
Rated Voltage | 0.4kV Input/Output |
Rated Current | 25A per Circuit |
Frequency | 50Hz |
Circuits | 2 Independent Channels |
Full-Load Operation | 60 minutes at 100% rating |
Weight | 30kg (Regulator-Integrated) |
Advanced Performance Metrics
Attenuation:
40kHz-100kHz: >40dB
100kHz-1MHz: >60dB
Filter Reactor Q-Factor: >70 (Minimal signal distortion)
Partial Discharge: <1pC (Ultra-low noise emission)
Insulation Withstand: 3kV for 1 minute
Dual-Circuit Design Advantages
Independent Filtering Channels: Isolate noise between critical loads
Cross-Talk Prevention: -80dB inter-circuit interference rejection
Selective Deployment: Configure circuits for different noise profiles
Redundancy: Maintain partial operation during maintenance
Engineering Features
Regulator-Integrated Design: Direct mounting in power control cabinets
Low-Loss Ferrite Cores: Maintain Q>70 at full load
Partial Discharge Control: Triple-shielded construction
Thermal Management: 105°C rated insulation system
Critical Applications
Laboratory measurement equipment power conditioning
Medical imaging system EMI protection
Semiconductor fabrication cleanroom power
Precision instrumentation power purification
Audio broadcast studio equipment
"Filters with PD levels below 5pC are essential for medical and research equipment where electromagnetic interference can compromise measurement accuracy at microvolt levels."
– Journal of Electromagnetic Compatibility
Installation Guidelines
Mount directly in regulator cabinet using M8 fasteners
Maintain 50mm clearance from heat-producing components
Use shielded 10mm² cables for input/output connections
Implement star-point grounding with <0.05Ω resistance
Verify circuit isolation before dual-load operation
Compliance & Testing
IEC 60601-1-2 (Medical EMC requirements)
EN 55032 Class B (Residential/light industrial)
IEC 61000-4-11 (Voltage dip immunity)
Partial discharge test per IEC 60270
Maintenance Protocol
Interval | Test | Standard |
---|---|---|
Monthly | Thermal scan | Max ΔT=10°C |
Biannual | Insulation resistance | ≥500MΩ at 2.5kV DC |
Biennial | Q-factor verification | ≥65 |