RE: [TCML] microbrute DRSSTC

["Greg Cousen" <lurch50@xxxxxxxxxxx>]

Hi Guys,
Apologies for troubling you but I have a question on HV NST'S, I  would
appreciate any help or info you can give, 
I am in Australia we have 240vac mains, I have a power supply I built
myself, it consists of a 240vac to 240vac isolation transformer then it goes
to a variable autotransformer (simular to your variac) then the outputs, I
can adjust the 240vac from 0 to 290vac, but the output neutral is now
isolated from ground earth, I use this to power 2 x 15kv NST'S @ 25ma each
Phased and the Output HV is in Parallel, the Centre Tap earth on the NST'S
goes to a ground stake in the ground, the HV output then goes to a Jacobs
Ladder about 1 metre high,, my question is because the Ground earth on the
line in supply to the NST'S is isolated from normal Ground earth Neutral
will this cause a problem safety wise ??
Sorry if I am troubling you
Best regards
Greg Cousen
Queensland Australia :)

-----Original Message-----
From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On Behalf
Of W5als
Sent: Tuesday, 1 January 2013 8:42 AM
To: Tesla Coil Mailing List
Subject: Re: [TCML] microbrute DRSSTC

Hi Tom
     Thanks that may help me out will call him Wednesday.
Thanks
Happy New Year to all
Alton

Sent from my iPad

On Dec 31, 2012, at 1:58 PM, CanalRay@xxxxxxx wrote:

> Alton: Here is a direct dial to eastern voltage research from Dan 
> McCauley's current business card. Hope this helps. 1-856-599-8375.
> 
> Good luck,
> 
> Tom
> 
> 
> In a message dated 12/28/2012 10:51:00 A.M. Eastern Standard Time, 
> w5als@xxxxxxxxx writes:
> 
> Hi
> I am building a microbrute drsstc by  eastern voltage research and i 
> am have problems and need some help. I  finish it yesterday and was 
> trying to fire it off and got nothing so  by the book i reverse the 
> polarity through the current transformer that didn't work.
> All the voltages are right check them 3 times the LED's  light up, the 
> over current led come on when I ramp the PW control up. I  took the 
> board out check all solder joints and check ever IC twice to  make 
> sure it was right. I tested ever diode and they were good, ever  cap.
> was check twice, I ever check the controller and wave from twice, i  
> even compare the wave form to another controller i have. I even ohm 
> the  primary and secondary out they were good.
> Unless the IGBT are open i  don't know what else it could be. Also no 
> blown fuses neither.
> I am not  the best at this but i did have a radio/TV repair shot for 
> 27 years so  this isn't new to me. I can send detail pictures if 
> someone can compare to  there's. I will thank anyone for the  help 
> thanks alton W5ALS _______________________________________________
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