Active Harmonic Filter

Active Harmonic Filter Wall Mounted

Lafaelt's new wall mounted active harmonic filter is designed for the small or non-space project for resolving power quality issues caused by harmonics in various non-linear loads.It offers higher efficiency and a smaller footprint which can be easily mounted on a wall.

Description

Advantages

Parameters

Selection

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Overview

Wall mounted Active harmonic filter is specifically designed for a single modular wall mounted for electrical harmonic mitigation. The wall mounted active harmonic filter adopts advanced modular design. Typically, the active harmonic filter system consists of no more than six AHF modules and an 7 inches HMI screen seperately. However, the wall mounted active harmonic filter module can be working independently as a complete harmonic filtering system with a 4.3 inches screen on its back side which is easily operating when it is installed on the wall.


Lafaelt active harmonic power 6.0 is an advanced solution to solve the harmonic problem with IGBT/SIC. Our active power filter offters a selectable priority function of harmonic filtering, power factor correction(reactive power compensation) and Three-phase imbalance regulation.


Working Principle


Features

  1. Suppresses harmonic currents generated by non-linear loads

  2. More than 97% harmonic filtering rate

  3. Even times harmonic mitigation, 2nd, 4th, 6th harmonics problem solving.

  4. Automatic detuning eliminates system resonance concerns

  5. Customized HMI for wall mounted or rack mounted type 

  6. Reduces line and transformer losses, improves equipment overheating, and extends equipment life

  7. 80KHz switching frequency

  8. Three-phase imbalance regulation

  9. Wall mounted type for non-space or small project


Advantages

1. 6.0 version Active Harmonic Filter is even smaller and better performance. 

2. Quick response: the response time of Active Harmonic Filter is less than 300us, making the harmonic eliminated before causing harm

3. Highly integrated: single Active Harmonic Filter module capacity from 50A to 200A. 

4. Easy to maintenance: The Active Harmonic Filter benefits from its excellent design, the control unit modularization greatly shortens the repair and maintenance time.

5. Adaptability: Lafaelt 6.0 Active Harmonic Filter can be running at the 60% of the grid voltage

6, Unique toplogical structure: highest switching frequency 80KHz top leading all over the world.

7. Even time harmonics: Real compensation from 2 to 50 times.

8. ASVG Mode: Compensate for harmonics and power factor simultaneously


Technical Parameters

Power supply voltage  

220x (1±15%) V ,400x (1±15%) ,V480x(1±10%)or 690x (1±10%) V

Power supply frequency

50/60x (1 ±2%) Hz

Harmonic feature

2nd ~ 50th orders (Eliminate   all or selected)

Filter degree settings

Each harmonic can be individually set

Harmonic compensation rate  

≧97%

Response time

≦300 us (Full response time ≦5ms)

Compensation method

Full harmonic compensation, full reactive power compensation, harmonic reactive power co-compensation, or three-phase unbalanced compensation

Switching frequency

Equivalent 80KHz

Parallel operation capacity

Singel module

Compensation capacity

Full compensation within the equipment capacity, if exceeded, compensate with the maximum output capacity

Protection

Device overcurrent, device over-heat, grid under-voltage, grid phase mismatch, DC busbar under-voltage, overload automatic current limiting protection

Cooling

forced air cooling

Power consumption

<3% of the rated output capacity

Protection clas

IP30 (higher can be customized)

Operating environment temerature

-10°C~ +45°C

Color

RAL7021 Black sand pattern (other color can be supplied if required)

Relative humidity

<90%(25°C)

Noise

<65dB

Communication

MODBUS RTU(RS485) Ethernet communication function is optional; upper computer monitoring software is optional





Active Harmonic Filter Specification

Current(A)
Part NumberDimension(MM)
Installation type
Net Weight(KG)
50LAF-400-50-4560*600*178
Wall37
100LAF-400-100-4560*600*178Wall37
150LAF-400-150-4560*600*178Wall37
175LAF-400-175-4560*600*178Wall37
200LAF-400-200-4560*600*178Wall37





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active harmonic filter 6.0

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Lafaelt Electric is focusing on complete solutions for power quality and energy management. We have excellent quality in designing, researching, producing and manufacturing on Active harmonic filter, Static VAR generator(SVG), Power capacitor, Reactor, Thyristor switch, Dynamic voltage restorer and Active voltage conditioner.

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