Re: [TCML] Minimum number of MMC strings?

[Mark X2 <susax2@xxxxxxxxx>]

Hi Adam,
which capacitor are you planning to use?
Mark

2013/8/8 adam karvonen <adam.karvonen@xxxxxxxxx>

> Hi,
>
> I am in the process of designing my first tesla coil. It uses a 9 kv 30 ma
> NST, which gives a LTR cap size of about 0.0133 uf tank cap. While
> designing the MMC, I have come across conflicting advice on MMC design. On
> this
> tesla coil design
> guide<
> http://www.tiagoespinha.net/wp-content/uploads/2009/07/259168-Tesla-Coil-Construction-Plans.pdf
> >,
> the author writes that  "You should always have at least 5 strings in
> parallel (increase string length if necessary),
> because each string has to deliver huge currents. If you have multiple
> strings in series,
> each string will have to contribute less current and it will last longer
> than if you have just
> one string (which would blast in an instant.)"
>
> However, I have seen plenty of MMCs with just 1 or 2 strings. For example,
> there is this <http://www.tb3.com/tesla/capacitors/capacitors.html>,
> this<http://www.halice.com/physics/4coil.html>and
> this <http://www.derivedlogic.com/TeslaCoil/TeslaCoil.html>. How many MMC
> strings would I need for my 270 watt transformer? I would prefer to use
> fewer strings to save money.
>
> Thanks!
>
> Adam
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