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Thread: Where can I get a cheap 40v at 170 amp dc supply

  1. #1
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    Default Where can I get a cheap 40v at 170 amp dc supply

    Where can I get a cheap 40v at 170 amp dc supply , Variable would be nice. Or , how the hell can I make one .
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    Quote Originally Posted by Laser Zone View Post
    Where can I get a cheap 40v at 170 amp dc supply , Variable would be nice. Or , how the hell can I make one .
    10 to 12 of these will get you 40V @ 320A

    http://cgi.ebay.com/ws/eBayISAPI.dll...STRK:MESELX:IT

    I'll make you a deal for that many.

  3. #3
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    Are they variable and whats the total price. Its important that I have around 35 to 40 volts at 150 to 170 amps. Thanks !
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    I want to run one of these short arc lamps , http://www.youtube.com/watch?v=cI78UlPGw_4
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    Quote Originally Posted by Laser Zone View Post
    I want to run one of these short arc lamps , http://www.youtube.com/watch?v=cI78UlPGw_4
    Ah, You'll probably want to look elsewhere.

    Here's a 20V @ 50A arc lamp supply.

    http://cgi.ebay.com/ws/eBayISAPI.dll...=263602_263622

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    Put 3 12V car batteries in series.
    The largest you can find.
    That'll get you cheaply 40V @ 170 amps.
    (at least for a little while )

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    Quote Originally Posted by -bart- View Post
    Put 3 12V car batteries in series.
    The largest you can find.
    That'll get you cheaply 40V @ 170 amps.
    (at least for a little while )
    No current regulation may be a problem, you also need an igniter pulse to start the flow of electrons.

  8. #8
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    I'm not sure if the topicstarter wants a 7 kW short-arc ballast or if the ballast requires a low-voltage supply.

  9. #9
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    It uses around 35kv ignition spike voltage
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  10. #10
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    Found it . Im getting a 35.7 kva single phase transformer for 75 bucks !! I think that should do it
    Attached Thumbnails Attached Thumbnails trance 2.jpg  

    trance3.jpg  

    trance.jpg  

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