I have this inductor salvaged from a junked DC stick welder. There are 4 layers of winding and between each pair is this copper sheet. Each sheet has 2 ends, implying that it's a winding, to be connected somehow. What are they?

If you know the manufacturer and model of the junked welder , you might be able to find information on line. Some owners manuals had schematics. Dan

What are these windings (?) on an inductor?

Jul 29, 2018 21 Replies

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Robert Baer 7 years ago

Guess: talk to Al Num Inum.

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Clive Arthur 7 years ago

Nah, talk to Constant Ann and Crow Mel.

Thermocouples or a small thermopile. Top half (say) Constantan, bottom half Chromel (type E). They get wired in series to provide enough current to operate a temperature cut-out of some sort. The cold junction is just ambient temperature.

Cheers

Clive

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