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4hv.org :: Forums :: Projects
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Hi-Power ZVS Wireless energy transfer (up to 60W on coil!)
Move Thread LAN_403
Dri0m
Tue May 08 2012, 11:58AM Print
Dri0m Registered Member #4497 Joined: Thu Apr 19 2012, 12:53PM
Location: Behind you
Posts: 62
 		Because i was bored, and i've had working ZVS ( :D ), i've decided to try to use ZVS as a WET. The results are nice:

Primary coil is 5+5 turns, secondary coil is 5 turns, 25 turns and 80 turns. ZVS is oscillating at 26.66kHz and running on 24V 8A.

Coil distance 1cm, 4.6A 15V
1cm

Distance 5cm, cca 2A<br>
5cm

25cm, coil 25t
25cm

40cm, coil 80t, LEDs are running on full power<br>
40cm

55cm, LEDs are running on half power<br>
55cm

I'm satisfied with this for few next months :)
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radhoo
Fri May 11 2012, 12:59PM
radhoo Registered Member #1938 Joined: Sun Jan 25 2009, 12:44PM
Location: Romania
Posts: 699
 		If you want to improve the distance, you will need bigger coils. For my variant I used relatively small coils as well: Link2

300x226
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Dri0m
Fri May 11 2012, 01:13PM
Dri0m Registered Member #4497 Joined: Thu Apr 19 2012, 12:53PM
Location: Behind you
Posts: 62
radhoo wrote ...

If you want to improve the distance, you will need bigger coils. For my variant I used relatively small coils as well: Link2

nope, i know the better way:
- Increase frequency
- Make bigger coil
- Use larger cap

and of course, run on higher voltage, maybe 100Volts if i get transformer and ZVS that will work for that voltage :)
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Conundrum
Sat May 12 2012, 08:07PM
Conundrum Registered Member #96 Joined: Thu Feb 09 2006, 05:37PM
Location: CI, Earth
Posts: 4059
 		I think B&Q still have that hollow brass tube for sale.
Would be ideal for this, just pump liquid through the tube to stop it from melting.

-A
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Thomas W
Sun May 13 2012, 08:53PM
Thomas W Registered Member #3324 Joined: Sun Oct 17 2010, 06:57PM
Location:
Posts: 1276
 		nice, i need to get round to making one of these, after all my thousends of other projects that is
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