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<100kVA Range

LQLVF 30KVA/2*136A Power Noise Filter: Dual-Circuit EMI Suppression for 0.22kV Systems

30KVA/272A dual-circuit EMI filter with >60dB attenuation, <5pC partial discharge, and regulator cabinet integration for 0.22kV systems.


  • US$ 1,583.00
  • Lead time: 30 days

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Product Details

Product Tags

LQLVF 30KVA/2*136A Power Noise Filter: High-Current Dual-Circuit EMI Suppression

Core Technical Specifications

ParameterSpecification
ModelLQLVF 30KVA/2*136A
Rated Voltage0.22kV Input/Output
Rated Current136A per Circuit (272A total)
Frequency50Hz
Circuits2 Independent Channels
Full-Load Operation60 minutes at 100% rating
Insulation Level3kV for 1 minute
Weight30kg (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: <0.35dB at 50Hz

Dual-Circuit Design Advantages

  • High-Current Isolation: 136A per circuit for heavy equipment

  • Cross-Noise Rejection: -75dB inter-circuit interference suppression

  • Load Balancing: Distribute 272A total capacity across equipment

  • Maintenance Redundancy: Service one circuit while maintaining operation

Regulator-Integrated Engineering

  • Space-Optimized: Direct mounting in standard 0.22kV regulator cabinets

  • Robust Construction: 30kg industrial-grade chassis

  • Thermal Management: Forced-air cooling channels

  • High-Density Design: 1kVA/kg power density

Industrial Applications

  • Industrial furnace control systems

  • High-current PLC and DCS cabinets

  • Substation control panel EMI protection

  • Heavy machinery motor controllers

  • Foundry equipment power conditioning

"Dual-circuit filters with 100A+ per channel capacity are essential for modern industrial facilities where high-power equipment generates complex EMI profiles requiring isolated suppression."

– IEEE Transactions on Industry Applications

Installation Guidelines

  1. Mount vertically using M10 fasteners (45N·m torque)

  2. Maintain 75mm clearance from heat sources

  3. Use 50mm² minimum copper conductors

  4. Implement isolated ground paths for each circuit

  5. Verify phase sequencing before energization

Performance Validation Tests

TestStandardResult
Full-Load TemperatureIEC 60076-1170°C at 60-min operation
Partial DischargeIEC 60270<5pC at 1.5Ur
Impulse WithstandIEC 60060-13kV/1min pass
Vibration ResistanceIEC 60068-2-65-150Hz @ 2g pass

Compliance & Standards

  • IEC 61000-6-4 (Industrial emissions)

  • IEC 61000-6-2 (Industrial immunity)

  • EN 50178 (Electronic equipment for power systems)

  • ANSI C62.41 (Surge protection)

Maintenance Protocol

IntervalActionAcceptance Criteria
MonthlyThermal imagingΔT ≤ 40°C from ambient
QuarterlyConnection torque check40N·m ±5%
BiannualInsulation resistance>100MΩ at 2.5kV DC
AnnualAttenuation verification±3dB of initial spec

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