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<100kVA Range

LQLVF 20KVA/100A Power Noise Filter: Compact EMI Control with >60dB Attenuation

20KVA/100A regulator-mounted EMI filter with >60dB attenuation, <1pC partial discharge, and cyclic operation capability. Technical specs & industrial applications.


  • US$ 1,476.00
  • Lead time: 30 days

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Product Details

Product Tags

LQLVF 20KVA/100A Power Noise Filter: High-Density EMI Control for Industrial Systems

Core Technical Specifications

ParameterSpecification
ModelLQLVF 20KVA/100A
Rated Voltage0.4kV Input/Output
Frequency Range50-60Hz
Rated Current50A per Phase (100A total)
Insulation Level3kV for 1 minute
Weight<12kg (Regulator-Integrated)
Duty Cycle1 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

  1. Mount vertically in regulator cabinet using M6 fasteners

  2. Maintain 20mm clearance from adjacent components

  3. Use 16mm² minimum conductor size for power connections

  4. Implement single-point grounding with <0.1Ω resistance

  5. 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 ConditionTemperature RiseStandard
Continuous 1-hour operationΔT ≤ 55°CIEC 60076-11
4-cycle stress testΔT ≤ 65°CIEC 60068-2-2
Ambient 40°CHot spot ≤ 95°CIEC 60085

Maintenance Protocol

  1. After Each Cycle: Visual inspection for thermal stress

  2. Monthly: Torque check on terminals (25N·m)

  3. Quarterly: Insulation resistance test (>100MΩ at 2.5kV DC)

  4. Annually: Partial discharge verification

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