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Re: Bad NST



Original poster: "Gerry  Reynolds" <gerryreynolds@xxxxxxxxxxxxx>

Hi Rich,

In general, I think you could reuse the core for a lot of purposes including a ballast. In this case, some calculations will be needed to make sure the core is big enough and wont saturate. Before you tear down the NST, you might try to melt the tar in the oven and maybe fix the problem.

Gerry R.

Original poster: "Rich" <rdjmgmt@xxxxxxxxxx>

OK, I give up I have a bad Jefferson 15kv60ma NST. One secondary is bad, the other is questionable. My question is, I still have a good chunk of iron and a solid 10ga primary, and can I remove the secondarys and use the primary as part of ballast for a standard transformer. I know the standard way is to short the secondarys to use a transformer but wont it still give me some inductance? I have a coil I am building that will require 240v 9amp and was thinking about a inductive / restive ballast.

Rich