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

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Artlav
Wed Nov 05 2014, 01:24PM
Artlav Registered Member #8120 Joined: Thu Nov 15 2012, 06:06PM
Location: Moscow, Russia
Posts: 94
 		I paid him by Paypal, without problems.
Maybe a typo or something wrong on your end?
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Ash Small
Wed Nov 05 2014, 07:34PM
Ash Small Registered Member #3414 Joined: Sun Nov 14 2010, 05:05PM
Location: UK
Posts: 4245
 		Sorted.
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Fiddy
Thu Nov 06 2014, 08:39AM
Fiddy Registered Member #8817 Joined: Mon Dec 17 2012, 05:16AM
Location: Australia
Posts: 110
 		all but 2 transformers have been sent! Good to see they are going to good homes smile
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Justin
Sat Nov 08 2014, 11:52AM
Justin Registered Member #46164 Joined: Wed May 07 2014, 08:16AM
Location: California, USA
Posts: 89
 		If you've still got one, please PM me a price.

Thanks
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Patrick
Sun Nov 09 2014, 06:52AM
Patrick Registered Member #2431 Joined: Tue Oct 13 2009, 09:47PM
Location: Chico, CA. USA
Posts: 5639
 		Fiddy, did your maker give you a maximum voltage they could wind? or is it an insulation issue they calculate as the limiting factor?
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Rod-on
Tue Nov 11 2014, 12:32PM
Rod-on Registered Member #6541 Joined: Sun Sept 09 2012, 05:01AM
Location: Melbourne Australia
Posts: 16
 		I purchased two flybacks from Fiddy, fantastic they are. I have tried two drivers for them, a ZVS driver and a SMPSU driver.

Link2

Link2

Now for the question .... I want to use these to power a plasma tube similar to this one:

Link2


and I ask you, the experts (sadly I don't consider myself anything but an amateur) which one they would recommend I use.
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Ash Small
Tue Nov 11 2014, 12:41PM
Ash Small Registered Member #3414 Joined: Sun Nov 14 2010, 05:05PM
Location: UK
Posts: 4245
I seem to be having problems with those links. Normally I can get round it, but not this time.

EDIT: Seems to be sorted now
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Fiddy
Tue Nov 11 2014, 01:20PM
Fiddy Registered Member #8817 Joined: Mon Dec 17 2012, 05:16AM
Location: Australia
Posts: 110
 		Looks good Rod!

Try to keep the HV leads away from the core or it will arc over.
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Sigurthr
Tue Nov 11 2014, 01:25PM
Sigurthr Registered Member #4463 Joined: Wed Apr 18 2012, 08:08AM
Location: MI's Upper Peninsula
Posts: 597
 		Very nice results Rod-on! Do you have a link for that SMPS driver? I've never seen one like that. I've used cheap electronic fluoro ballasts for flybacks before with good results though, but often the wattage is too low for optimal results and the frequency is fixed usually far from resonance.

I'd not use ZVS for a plasma display just for safety and prevention of envelope punch through.
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TwirlyWhirly555
Tue Nov 11 2014, 02:12PM
TwirlyWhirly555 Registered Member #4104 Joined: Fri Sept 23 2011, 06:54PM
Location: Uk .
Posts: 122
 		Anyone run these on a half or full bridge yet ?
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