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  1. #1
    Quote Originally Posted by scooterist007 View Post
    I have never seen a vfd that you connect up to a 240v single phase supply to 415v three phase, I am a industrial engineer and have never come across one, I am sometimes wrong though! The only thing I have come across to power up single phase to 415v three phase is a phase converter, there are two types, a static variety which is not a true three phase supply, or a rotary variety which uses motors to generate a three phase supply.
    But a vfd? I don't think they exist.

    Sent from my CLT-L09 using Tapatalk
    https://www.ebay.co.uk/itm/Variable-...r=522061402594
    ..Clive
    The more you know, The better you know, How little you know

  2. #2
    Another alternative, which is often used even on 7kw+ spindle motor applications, and is common in industry where 3 phase is not available or feasible is a transformer to achieve a higher input voltage and a VFD.
    You think that's too expensive? You're not a Model Engineer are you? :D

  3. #3
    I think you will find that the 220v input is 220v three phase, not 220v single phase.


    Sent from my CLT-L09 using Tapatalk

  4. #4
    Quote Originally Posted by scooterist007 View Post
    I think you will find that the 220v input is 220v three phase, not 220v single phase.


    Sent from my CLT-L09 using Tapatalk
    This one seems to be quite specific.


    https://www.ebay.co.uk/itm/2-2KW-3HP....c100005.m1851

  5. #5
    Quote Originally Posted by scooterist007 View Post
    I think you will find that the 220v input is 220v three phase, not 220v single phase.


    Sent from my CLT-L09 using Tapatalk
    The description seems to say

    Variable-Frequency-Drive-Inverter-CNC-Motor-Speed-VFD-Single-To-3-Phase-220-380V
    ..Clive
    The more you know, The better you know, How little you know

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