Re: [TCML] Single MOT Coil?

[Greg Peters <greg.j.peters@xxxxxxxxx>]

Hi Ted,

I just joined this list today (for the 3rd time in the last 15 years), and am in the process of building a 3 phase, DC powered coil. I would be very interested to learn more about your 10kW power supply and especially rectifier and charging choke specs. So you're not using any balancing resistors or capacitors? That's very interesting as it saves considerable expense and effort. Do share some more details please!

Cheers,

Greg (Brisbane, Aust)

Sent from my phone

On 17/08/2013, at 10:25 AM, Tesla <tesla@xxxxxxxxxxxxxxx> wrote:

> Agreed 100%
> 
> I use stings of 1N5403 (1kv 3A) overkill here is really cheap and I've never lost a diode stack in either the 1kW or 10kW DC coils. In my case I've used about twice as many diodes (no equalising R/C) than the theory suggests is the bare minimum.
> 
> Good luck
> Ted in NZ
> 
> <SNIP>
>> Biggest piece of advice by far that I have learned about level shifters
>> driving Tesla coils is this - *use lots and lots of voltage headroom on
>> your level shifter diode*! Filtering helps too, but for example I use 30
>> 1N4007 diodes in series for my single stage level shifter
> 
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