what's the reson that,Load is not same on VFD I/P and O/P
Side.whenever DOL condition load is same I/P and O/P side.
Answer Posted / shyam
in VFD, fist ac power rectify into dc power then convert it
into variable ac power.in this process energy loss as heat.
in DOL none of the parameter like Voltage or Frequency are
changed thus Power remain same.
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