Re: Finished with Isolation Transformer.

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Terry Fritz" <teslalist-at-qwest-dot-net>

Hi Richard,

WOW!  That is a beautiful thing!!

Just curious how you sealed the thick Lexan(?) sheets?  Silcone sealent?

How thick are the sheets that make up the case?

Cheers,

         Terry


At 09:39 PM 2/23/2003 -0700, you wrote:
>Hi all,
>
>Finally finished the isolation transformer I've been working on.
>
>Specs:
>
>All wire #10 magnet wire
>Transformer is under oil
>
>6.2 KVA -at- 240 vac input
>7.28 KVA -at- 280 vac input
>
>Three primaries -at- 240-280 vac
>Four secondary pairs ... Each pair = two 60-70 vac coils -at- 13 amps
>
>Isolation:
>Secondary to core and secondary to primary insulation:
>2 sheets 1/16" polypropylene sheet from McMaster Carr
>40 KVDC (calculated to 75KV at 600v per mil for the polypropylene used)
>
>Core cross-section = 6.25 x 2.25 (14.0 sq in)
>
>Tested with 23.4 amp load powering a kitchen oven. After 1/2 hour the 
>containment temperature was slightly over room temp.
>
>
>Will be used to power a MOT bank.
>
>
><ftp://ftp.xmission-dot-com/pub/users/p/potluck/pics/Isolation2.JPG>ftp://ftp.xmission-dot-com/pub/users/p/potluck/pics/Isolation2.JPG
>
>
>Rick W.
>Salt Lake City
>
>
>
>