Re: [TCML] Turn-to-Turn short circuit

[Matthew Stevens <truesoutherngeek@xxxxxxxxx>]

The overlapping turn was at the BEGINNING of the coil, I had knotted the
wire inside the pen, and could not untie it. I'm not *that* stupid ; )
But seriously, thanks for the tip.

On Thu, Mar 19, 2009 at 1:51 PM, Christoph Bohr <cb@xxxxxxxxxxxxxxx> wrote:

> Hello Matthew.
>
> I followed this thread ober the last days, here are my 2 cents:
>
> 1.: the wire looks to me, like the stuff you use around the garden or
> for flowers and the like.... correct me if I'm wrong. If the green coating
> is just dark green and not very thick its probably the stuff I am talking
> about.
> Geen enamel wire is usually pretty shiny and sort of a transparent green
> which
> should be relatively resistant to scrathing...
>
> 2.: As the overlapping turns are at the very end, it would have probable
> been
> less work to correct the problem than to type the posting ;-) ... sorry, so
> offense
> intended...
>
> 3.: If you are using the coils is some sort of protection device for an NST
> or
> similar,
> the now common practice would be to use large resistors.
> Theoretically chokes might be the better component to give you a LC over a
> RC
> network, if you know very well what you are doing. If not, they might
> induce more
> problems than they solve. Again, as others said and apart from all the nice
> LC filter
> math,
> if the device is physically to small to withstand the whole expected
> voltage across
> it in
> the case of failure it was designed for, it will be useless.....
>
> 4.: Yes, it might be better to use different wire. Documented is nice, but
> at least
> something you rougly know what it can do or was designed for.
> ebay or local motor shop for new stuff of even unwinding transformers for
> smaller
> amounts on a low budget...
> Otoh ... normal insulated wire works just as well for your purpose I
> believe....
>
> Good luck in building whatever you are building ...
>
> regards
>
> Christoph Bohr
>
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