VFD Selection & Requirements

Factors that need to be considered are:

  • Motor Nameplate Full Load Current (FLC) and voltage.
  • Type of load.
  • The environment:
  • Enclosure IP rating.
  • Ambient Temperature.
  • Protection from Sunlight & other heat sources.
  • Actual Supply Voltage.
  • Appropriate derating for Single Phase operation.
  • Adequate Supply Capacity Available.
  • Variable frequency drive Options required.
  • Special requirements from motor or pump manufacturer.

For more information on how to select/operate a VFD, it’s better to contact the VFD manufacturers.

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