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Forums
4hv.org :: Forums :: Tesla Coils
« Previous topic | Next topic »   

My new tesla coil toy is done :)

1 2 
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Staci
Mon Nov 10 2008, 10:32PM Print
Staci Registered Member #1741 Joined: Sat Oct 04 2008, 02:45AM
Location: Schenectady, NY
Posts: 35
 		I couldn't set the PFC to higher than 215VDC out because it would shock me when I hold it.

Link2

Here's a youtube video too:

Link2

Here's an early picture of the inside:
Link2

Now it has a Faraday cage around power electronics module because the PFC boost regulator is digitally controlled
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TheBoozer
Mon Nov 10 2008, 11:01PM
TheBoozer Registered Member #1535 Joined: Wed Jun 11 2008, 11:37PM
Location: Northeastern Pennsylvania - USA
Posts: 117
 		That was downright awesome... Any specs???
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Dylan
Mon Nov 10 2008, 11:10PM
Dylan Registered Member #1024 Joined: Sun Sept 23 2007, 10:56AM
Location: Northern NSW, Australia
Posts: 95
 		HeheheheHAhhahA , thats excellent!!
Nice one!
cheesey
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...
Mon Nov 10 2008, 11:17PM
... Registered Member #56 Joined: Thu Feb 09 2006, 05:02AM
Location: Southern Califorina, USA
Posts: 2445
 		If you aren't grounding the coil through an external ground wire, but rather just through the grip you are passing considerably amounts of RF through yourself and that is generally bad. If you are grounding it then all is probably well :)

That is a sweet toy none the less amazed
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Staci
Mon Nov 10 2008, 11:33PM
Staci Registered Member #1741 Joined: Sat Oct 04 2008, 02:45AM
Location: Schenectady, NY
Posts: 35
 		ground comes from earth - in the line cord. It's painfully obvious when I find an outlet where the ground pin is not hooked up...

Specs:

PIC18F2658 based digital PFC in rCCM mode, also controls LEDs, sound effect, and graphics LCD.
Power is settable from PFC reference and burst length - I went from 4046 PLL to all Steve Ward's design because it looked bullet-proof. That's about 110 watts RMS as measured with a Yokogawa PZ4000, pf of 0.98
It shoots 16" or so to earth, and makes a nice hot plume in free air... Any higher voltage on the PFC output and it will arc back to me.

Thanks guys :)
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Arcstarter
Tue Nov 11 2008, 12:31AM
Arcstarter Registered Member #1225 Joined: Sat Jan 12 2008, 01:24AM
Location: Beaumont, Texas, USA
Posts: 2253
 		Very nice! I tried to comment on youtube but it wouldn't let me :P.
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Coronafix
Tue Nov 11 2008, 01:04AM
Coronafix Registered Member #160 Joined: Mon Feb 13 2006, 02:07AM
Location: Melbourne, Australia
Posts: 938
 		That is super nice!! Good job!
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teslacoolguy
Tue Nov 11 2008, 01:13AM
teslacoolguy Registered Member #1107 Joined: Thu Nov 08 2007, 10:09PM
Location:
Posts: 792
 		Hahahaha that's just cool. The graphic lcd adds the final touch to it wink so when is that thing going to hit the market in the wall mart toys section cheesey
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ragnar
Tue Nov 11 2008, 02:01AM
ragnar Registered Member #63 Joined: Thu Feb 09 2006, 06:18AM
Location:
Posts: 1425
 		Hot! Looks durable and I admire the primary insulation. You might be able to get longer sparks without getting 'bitten' if you use a topload other than toroidal -- it encourages discharges out the sides.
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Myke
Tue Nov 11 2008, 02:29AM
Myke Registered Member #540 Joined: Mon Feb 19 2007, 07:49PM
Location: MIT
Posts: 969
 		Hah, That's so cool. amazed (don't know what else to say)
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