VLT® harmonic solutions

  • Please find below the VLT® portfolio of low voltage AC drives.
  • VLT® Low Harmonic Drive

    The Danfoss VLT® Low Harmonic Drive is the first solution combining an active filter and a drive in one package. It continuously regulates harmonic suppression according to the load and grid conditions without affecting the connected motor, and meets all present harmonic standards and recommendations.
  • VLT® PHD Preferred Harmonic Design

    The VLT PHD Preferred Harmonic Design (PHD) is a full-featured dedicated drive solution when conformance to IEEE-519 is required, even at the drive terminals.
  • VLT® dV/dt Filter MCC 102

    VLT® dV/dt Filter MCC 102 reduce the dV/dt values on the motor terminal phase-to-phase voltage – an issue that is important for short motor cables.
  • 12-pulse VLT® Drive

    The Danfoss 12-pulse VLT® drive offers reduced harmonics for demanding industry applications above 250 kW.
  • VLT® Advanced Harmonic Filter AHF 005/AHF 010

    Optimized harmonic performance with the FC series up to 250 kW.
  • VLT® Common Mode Filters MCC 105

    VLT® Common Mode Filters MCC 105 core kit reduce electromagnetic interference and eliminate bearing damage by electrical discharge.
  • VLT® Advanced Active Filter AAF 006

    The active filter analyzes load-applied harmonics and compensates these by active counter-control.
  • VLT® Sine-Wave Filter MCC 101

    VLT® Sine-wave Filter MCC 101 output filters are low-pass filters that suppress the switching frequency component from the drive and smooth out the phase-to-phase output voltage of the drive to become sinusoidal.

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