input chokes

Output Filters

In most applications, the unfiltered output from an inverter drive gives satisfactory performance but to improve system functionality, reliability and longevity, output filtering is strongly recommended in some applications, including:

  • Long motor cables, up to 200m
  • High capacitance motor cables (i.e. typical “pyro” wire, used for fire protection)
  • Multiple motors connected in parallel
  • Motors without inverter grade insulation (typically older motors)

pdf icon smallOptidrive Stock Drives Catalogue (10.5 MB)

 

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Specifications

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    Reduce supply harmonic current distortion and increase Fourier Analysis of Harmonic Distortion protection against mains voltage spikes and notches

    Input chokes can be used to reduce the supply line harmonic currents and voltage distortion generated by almost all inverter drives on the market today. Invertek Drives have selected a range of chokes matched to the Optidrive range to provide the best reduction in supply current harmonics whilst also providing enhanced protection for the Optidrive against transient voltages (‘spikes’) or other mains borne interference.

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