Re: NST protection - Current draw.

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

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

Hi John and All,

I have an excel file at my site that has the current draw of various NSTs
with various cap configurations.  These or for non sync static gap operation.

http://hot-streamer-dot-com/TeslaCoils/Misc/NSTtest.xls

These tables have a lot of odd info in them.  A 15/30 draws 5.5 amps with a
5.3nF resonant cap or around 6.7 amps with a static LTR cap of 8nF.  I long
forgot that this data existed...  When I get time in the next few years, I
will clean it up into a more readable form ;-)

Cheers,

	Terry

At 09:02 AM 8/17/2001 -0400, you wrote:
>In a message dated 8/16/01 6:47:14 PM Eastern Daylight Time, tesla-at-pupman-dot-com 
>writes:
>
>> Is there a simple rule of thumb to determine the value/type of fuses needed
>>  for NSTs?
>>  I'm running 15/30s but thought a general rule would be useful for all.
>>  
>>  
>>  Rick williams
>
>Rick,
>
>I'm not sure what type of fuse is best, but one must take
>into consideration that an NST can draw a wide range of
>currents depending on; input voltage, type of spark gap
>(bps, phasing, gap spacing, etc), capacitor value, and
>PFC.  I've seen 15/30's draw only 500VA, and I've seen
>them draw 1500VA, depending on the factors I've
>mentioned.
>
>John Freau
>