welding inverter - schematic

Discussion in 'Electronics Resources' started by Hellz, Mar 17, 2009.

  1. Hellz

    Thread Starter New Member

    Mar 17, 2009
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    Greetings, im loking for the schematic of an inverter for welding (160 Amps or less)
     
  2. jpanhalt

    AAC Fanatic!

    Jan 18, 2008
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    Miller Welding generally gives the schematics for their machines in the operating/service manuals, which are available free on the Miller site. Find a Miller machine that does about what you need, then look on the site for that model number.

    John
     
  3. Hellz

    Thread Starter New Member

    Mar 17, 2009
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    Thank you for the fast answer, but i can only find the block diagram in the owners manual wich isn't very helpful (i'm looking at Maxstar® 150 S)
     
  4. jpanhalt

    AAC Fanatic!

    Jan 18, 2008
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    Sorry about that. My previous experience was with a tig unit, circa 1983. No PCBs to speak of, and they still have the diagrams with all the resistors, capacitors, and pots labeled.

    The newer units, as you observed, just have a PCB. If you have a valid serial number, you could try asking Miller for the circuit of a specific PCB part number.

    John
     
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