Author Topic: ESAB Power TIG 200 Welder Teardown  (Read 710 times)

Offline Mads Barnkob

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ESAB Power TIG 200 Welder Teardown
« on: August 16, 2019, 08:03:18 PM »
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A teardown of a ESAB Power TIG LTR200 welder, a run down of the current paths in the system and I show which parts I kept.
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Offline T3sl4co1l

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Re: ESAB Power TIG 200 Welder Teardown
« Reply #1 on: August 16, 2019, 09:14:36 PM »
Popping audio. :(

Surprised at the relatively small transistors, that's why there's so many I guess.

The choke hanging off the transformer is the choke-input filter; the outermost choke is just for HF start, and whatever amount of filtering it adds of course. :)

Input power cable looks awfully dinky; but, I guess if that's 400V 3ph, it really only needs about 10 amps, huh?

Tim

Offline profdc9

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Re: ESAB Power TIG 200 Welder Teardown
« Reply #2 on: August 27, 2019, 04:30:12 AM »
It looks like there's a schematic available for the welder.  I was hoping it would be more informative as a guide for future designs, but it seems to be somewhat opaque.




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Re: ESAB Power TIG 200 Welder Teardown
« Reply #2 on: August 27, 2019, 04:30:12 AM »

 


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