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Forums
4hv.org :: Forums :: High Voltage
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Modern AC Flyback Transformers

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Patrick
Tue Sept 02 2014, 03:00PM
Patrick Registered Member #2431 Joined: Tue Oct 13 2009, 09:47PM
Location: Chico, CA. USA
Posts: 5639
Fiddy, do these have an airgap? When the 13.2 kV was quoted, which mode was it in?
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...
Tue Sept 02 2014, 03:04PM
... Registered Member #56 Joined: Thu Feb 09 2006, 05:02AM
Location: Southern Califorina, USA
Posts: 2445
Those look pretty nice, very similar to the ones which are used in cheep co2 laser power supplies, which are good for a good kw continuous output power. If you have the option, I would personally rather see one with a little heavier gauge wire on the secondary, although 28awg should still be good for a few hundred mA before it melts down.

At $40 a piece I won't buy 10 but might be in for a few of them, sure beats winding my own Link2
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Dago
Wed Sept 03 2014, 06:20AM
Dago Registered Member #538 Joined: Sun Feb 18 2007, 08:33PM
Location: Finland
Posts: 181
I'm also interested in maybe a couple of them.
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Rod-on
Wed Sept 03 2014, 07:35AM
Rod-on Registered Member #6541 Joined: Sun Sept 09 2012, 05:01AM
Location: Melbourne Australia
Posts: 16
I'd like two of them, I'd like to make a couple of plasma globes
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Fiddy
Wed Sept 03 2014, 09:43AM
Fiddy Registered Member #8817 Joined: Mon Dec 17 2012, 05:16AM
Location: Australia
Posts: 110
Awesome ill make a list in the OP and then order at least that many soley depenedent on cost.

Meanwhile, here is the production sample running off a ZVS driver @ 24V

Link2
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Daedronus
Wed Sept 03 2014, 01:48PM
Daedronus Registered Member #2329 Joined: Tue Sept 01 2009, 08:25AM
Location:
Posts: 370
I would like to see it running off a full bridge at higher voltage, since I'm interested in higher output voltages.
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Dragon64
Wed Sept 03 2014, 05:10PM
Dragon64 Registered Member #1438 Joined: Sat Apr 12 2008, 12:57AM
Location: Canada
Posts: 218
I'd be interested one of these as well. Though I'm unsure if you're willing to ship to Canada (and also how much the shipping fee will be).
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hen918
Wed Sept 03 2014, 05:19PM
hen918 Registered Member #11591 Joined: Wed Mar 20 2013, 08:20PM
Location: UK
Posts: 556
I defiantly want one (or two)!
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Erlend^SE
Wed Sept 03 2014, 06:43PM
Erlend^SE Registered Member #1565 Joined: Wed Jun 25 2008, 09:08PM
Location: Norway
Posts: 159
Neat stuff.

I will probably get myself a projection-TV size transformer with positive and negative CW-triplers built in + AC output sometime.

Mind telling who you buy from? I have some special flybacks here but I haven't made a driver yet.
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Fiddy
Mon Sept 08 2014, 06:05AM
Fiddy Registered Member #8817 Joined: Mon Dec 17 2012, 05:16AM
Location: Australia
Posts: 110
Im thinking of getting 20 made, im discussing price with the manufacture at the moment. Im getting them for $25USD for 20 units, then there is shipping for almost 25kg which raises the price substantially.
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