Re: MOT's (was UK Neon Sign Transformers)

• To: tesla-at-pupman-dot-com
• Subject: Re: MOT's (was UK Neon Sign Transformers)
• From: wwl-at-netcomuk.co.uk (Mike Harrison) (by way of Terry Fritz <terryf-at-verinet-dot-com>)
• Date: Sat, 17 Oct 1998 10:03:56 -0600
• Approved: terryf-at-verinet-dot-com

On Fri, 16 Oct 1998 20:25:22 -0600, you wrote:

>Original Poster: "Steve Young" <youngs-at-konnections-dot-com> 
>
>
>
>Reinhard and all,
>
>Don't give up on MOTs!
>Consider two MOTs with their grounded cores tied together.  Each MOT drives
>a half wave voltage doubler of opposite polarity.

Why not just put a single doubler across the two 'hot' outputs of the
MOT's - presumably to enable the use of MW diodes/caps instead of
higher-voltage parts ?

>You end up with 9 to 11
>KV DC at a couple KW between the outputs of the two doublers.  You have to
>use care with the rest of the primary circuit as both outputs are plus and
>minus about 5 KV with respect to ground.  Doublers can be microwave oven
>diodes and caps--you will need to dismantle a bunch of salvaged ovens to
>get enough parts.  (Talk to a thrift store about getting bad ovens--usually
>the HV parts are still OK.)  The composite output caps will have to be 4 in
>series/parallel to withstand the about 5 kv across them.  My supply uses 4
>diodes and 10 caps total.
>
>Convert to D. C.,
>
>Steve Young
>
>
>

What sort of output spark length do you get with this setup ?

• Prev: Re: Secondary size
• Next: Re: Vacuum Tubes
• Index(es):
  • Main
  • Thread