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  1. #1
    Join Date
    Dec 2007
    Posts
    2

    Default Inverter Technology

    Hi guys.
    As you can tell, this is my first post and yes, I am new and just learning the welding field. I just received an early Xmas gift from my wife. It is a Miller Dynasty 200DX. It is a beautiful piece! Almost nicer than my wife.
    I am also in the process of putting together a presentation for a course in welding that I am taking.
    I have to put together a presentation of advancement in GMAW process and how Inverter Technology is the new way.
    Is there a link or can someone break it down for me in how inverter technology works, in simple form? I do have a little electrical back ground, from years ago!
    Thanks and I appreciate your time.

  2. #2
    Join Date
    Aug 2006
    Location
    N.C.
    Posts
    362

    Default

    George W. Bush was saving your butt whether you liked it or not!
    Fear is temporary, regret is forever
    HH210 with SG

  3. #3
    Join Date
    Dec 2007
    Location
    southern B.C
    Posts
    51

    Default invert tech

    hope this helps. this took me quite a while to compile[simple brain]

    power goes in @ 60 Hz AC, enters machine through an input rectifier assembly [changes AC to DC].

    then passes through input capacitors [acts to store power to induce current in the IGBT]

    passing through input capacitors power enters IGBT [Insulated Gate Bipolar Transistors] these are what makes the inverter different from trans technology. IGBT is responsible for changing the rectified DC current to high-frequency AC.

    then current passes through the primary transformer, stepping down current to make a useable welding current [high voltage/low amperage changes to low voltage/high amps]

    then current passes through output rectifiers changing back from AC to DC.

    and last but not least current passes through output filters to "clean" current, finally exiting @ 32K Hz DC or an AC current if your configuration allows it.

    I know it seems long winded but I also had a great need to understand these machines so when someone asks me what an inverter does I didn't feel like a moron because all I could say was " it's a welder".

    hope it helps

  4. #4
    Join Date
    Dec 2007
    Location
    southern B.C
    Posts
    51

    Default inverter

    wikipedia states that an inverter is a "electronic circuit that converts dc to ac"

    careful how you interpret this

  5. #5

    Default

    Ron

    ShopFloorTalk

    Millermatic 350P, Roughneck 4012 and Ironmate guns
    Dynasty 300DX, Coolmate 3, Crafter CS-310 Torch
    Trailblazer 302, 12RC, WC-24
    30A spoolgun
    Spectrum 2050

    Thermal Arc Plasma Welder PS-3000/WC-100B

  6. #6
    Join Date
    Dec 2007
    Location
    Los Angeles
    Posts
    2,860

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