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Ask an Expert Forum Miller DX200 welder SEMIKRON SkiiP 33NEC125T2 Power IGBT Module
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Miller DX200 welder SEMIKRON SkiiP 33NEC125T2 Power IGBT Module

mb443
mb443 over 3 years ago

imageThe hot topic for those who owns DX200 welder and willing to participate in re-implementing of the original PowerModule on discrete elements.

This is continuation of the discussion and efforts already put into at other forum:  Miller Boost Circuit Board Assembly NO. 200841

This is a restoration project attempt of reproducing using discreet components an obsolete  power module  which SkiiP 33NEC125T2 no longer produced by SEMIKRON.

DISCLAIMER: This is a high voltage project DANGER. Anyone who joins this experimental project need to be aware of high voltage (up to 1000v) and high currents (up to 100A) which is a high risk and requires to be qualified to work with such circuits and can be done only at your own risk.

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  • lanuser
    lanuser over 3 years ago in reply to mb443 +1
    I am no longer interested working on this project. Seems to me besides two people nobody else step forward. I have specially missed one pin on Schematic design, after I ask you to double check my work…
  • alvideo
    alvideo over 3 years ago in reply to alvideo +1
    I redraw module inside wiring like original, exept i added for all IGBT gate resistors. In wiring connectors names are like in module picture (see below). ` Here some more wiring outside…
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  • A3JBNE
    A3JBNE over 3 years ago

    I have a question: Will it be legal to make a card 230183  modified for purposes of adaptation to a new component

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  • mb443
    mb443 over 3 years ago in reply to A3JBNE

    Also, in any case, there are no plans to modify card 230183. A replacement of a power module will be soldered to existing card as of now in earlier discussion which sounds very reasonable to avoid major changes as this forum is about replacement to obsolete power module only.

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  • mb443
    mb443 over 3 years ago in reply to A3JBNE

    Also, in any case, there are no plans to modify card 230183. A replacement of a power module will be soldered to existing card as of now in earlier discussion which sounds very reasonable to avoid major changes as this forum is about replacement to obsolete power module only.

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