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Thread: What kinda phase converter needed?

  1. #1
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    What kinda phase converter needed?

    I just bought a Harig Super 618 surface grinder. It is a 1 hp 3 phase motor. I'm wondering what kind of phase converter I need. Will a static converter be sufficient or do I need to go to a rotary?


  2. #2
    Community Moderator Al_The_Man's Avatar
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    What voltage? static or rotary would most likely work.
    Have you considered a VFD? Even if it is just fixed to 60hz.
    Al.
    CNC, Mechatronics Integration and Custom Machine Design (Skype Avail).

    “Logic will get you from A to B. Imagination will take you everywhere.”
    Albert E.


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    Sorry, it's 220v. Is a VFD cheaper than going either rotary or static?


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    Community Moderator Al_The_Man's Avatar
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    For a 1 hp it probably would, if you just need it for one machine.
    Al.
    CNC, Mechatronics Integration and Custom Machine Design (Skype Avail).

    “Logic will get you from A to B. Imagination will take you everywhere.”
    Albert E.


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    I see that with a static converter I only get 2/3 hp. With a VFD will I get full Hp? Also when buying a VFD do I need to get double the HP size like with a RPC?


  • #6
    Community Moderator Al_The_Man's Avatar
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    Check with the manufacturer, some quote a derating % when used on 1 ph.
    Something like a surface grinder kept at 60hz I don't think would be a problem.
    Al.
    CNC, Mechatronics Integration and Custom Machine Design (Skype Avail).

    “Logic will get you from A to B. Imagination will take you everywhere.”
    Albert E.


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