VLT® Advanced Harmonic Filter AHF 005 010

  • Optimize harmonic performance

    Advanced Harmonic Filter AHF 005/010 is a cost-effective total solution, Danfoss Advanced Harmonic Solutions packages which combines the reliability and performance of VLT® Series drives with the innovative technology of AHF Series Filters. 

     

  • Overview

    Compared to traditional harmonic trap filters they offer a smaller foot print and higher harmonic reduction. 

    The solution is available in two variants, AHF 005 and AHF 010. When connected in front of a Danfoss VLT® drive, the harmonic current distortion generated back to the mains is reduced to 5% and 10% Total Harmonic Current Distortion at full load.

    Line Voltage

    • 380 – 415 V AC (50 and 60 Hz) 
    • 440 – 480 V AC (60 Hz)
    • 600 V AC (60 Hz)
    • 500 – 690 V AC (50 Hz)

  • Features & Benefits

    Designed for matched performance with Danfoss VLT® Series drives

    User-friendly startup; no adjustment necessary

    Requires no routine maintenance

    Protects multiple drives with one filter

    Designed to address the current distortion limit guidelines of IEEE 519-1992

    AHF 10 has THiD < 10%; equal or superior performance and cost competitive compared to 12-pulse rectifiers

    AHF 05 has THiD < 5%; equal or superior performance and cost competitive compared to 18-pulse rectifiers

    Specifications

    Line Voltage
    380-415 VAC (50 Hz)
    440-480 VAC (60 Hz)
    500-525 VAC (50 Hz)
    690 VAC (50 Hz)

    Enclosure Rating
    Chassis (IP00)

    Overload Current
    160% for 60 seconds

    Efficiency
    >0.98

    True Power Factor
    0.85 @ 50% load
    0.99 @ 100% load

    Ambient Temperature
    41º-104º F (5º-40ºC) without derating

    Enclosure IP rating

     IP 20*/IP 00** 


    * Optional IP 21/NEMA 1 upgrade kit is available for the IP 20 unit. 
    **Forced cooling is required. There is no fan in the IP 00 unit. Implement separate cooling measures in the cabinet as part of the installation.

    Harmonic Calculation Software

    With VLT® Motion Control Tool MCT 31, you can determine whether harmonics will be an issue in your installation when drives are added. 

    MCT 31 estimates the benefits of adding various harmonic mitigation solutions from the Danfoss product portfolio and calculates system harmonic distortion. Furthermore the software provides quick indication of whether the installation complies with the most recognized harmonic norms and recommendations. 

    More

    With a >98% efficiency the passive Advanced Harmonic Filters offer cost effective and very robust harmonic solutions specifically for power up to 250 kW.

    As stand-alone options the Advanced Harmonic Filters feature a compact housing that is easily integrated into existing panel space. This makes them well-suited for retrofit applications with limited adjustments of the frequency converter.

    AHF Comparison

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