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we have built an electrical arc furnace from a couple of old arc welders. We are outputting around 200 A at 30 volts. However, sometimes it will decide to draw more amps than what our 400 A rectifier can handle (which converts the AC output into DC for a more efficient arc). Is there a circuit or a device that would control the output so that it won't go above 200 A but maintain roughly the same voltage?

Amos Fox
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    Your question asks if there is a way to defeat ohms law. Sadly (or probably thankfully) there isn't. – Andy aka Dec 02 '20 at 11:19
  • I don't know much about this as you can tell but isn't there a way of detecting the extra amperage being drawn and then kicking in a resistor or something similar? – Amos Fox Dec 03 '20 at 08:43
  • But that will never maintain the same voltage. – Andy aka Dec 03 '20 at 09:09

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