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Thread: Spindle IGBT Blown Out

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  1. 04-20-2010, 06:33 AM #1
    wahidbashir
    wahidbashir is offline Registered
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    Nov 2006
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    Spindle IGBT Blown Out

    Hello Memebers,
    I have TNC370 with simudrive 611 analog with 6SN1123-1AA00-0DA0
    Spindle is not working and i found that IGBT on V Phase has been shorted out. I installed the other one but after two days working this again became shorted.
    Motor insulation and winding resistance are .6 ohm.
    Need kind attention in this regard.
    wahid bashir
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  2. 04-20-2010, 03:04 PM #2
    Al_The_Man's Avatar
    Al_The_Man
    Al_The_Man is offline Community Moderator
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    Dec 2003
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    24220
    In many cases with IGBT drives the firing board is affected or is the original cause of the problem.
    Al.
    CNC, Mechatronics Integration and Custom Machine Design

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