Silcovert FH

Medium & High Voltage Drives

Active Front End Transformerless Inverter
Up to 6.6 kV



Nidec has more than forty years experience in designing and manufacturing of inverters and power quality solutions. The new SVFH series are AFE, high efficiency, direct-to-line connection (transformerless) VFDs with very low grid harmonics, 30% more compact and 60% less bulky when compared with VFDs with transformer, very simple to integrate in a system, easy and fast to commission, with 4 quadrants operation capability to enable regenerative breaking of the motor load, regeneration and power factor correction.

Key benefits of transformerless 4Q

  • Unity power factor on grid side
  • Low input harmonics
  • Inherent braking capability to quickly slow down high inertia loads without breaking resistors
  • Inherent ability to recover energy by transmitting power back to grid
  • Fast installation: 3 cables in, 3 cables out
  • Small footprint
  • High efficiency, low operating costs
  • Standard power modules for AFE and Motor converters: easy maintainability
  • Well-proven technology IGBTs: high reliability
  • Easy maintainability + high reliability = excellent availability: 99.5%

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