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Sonsivri > Electronics > General Electronics (Moderators: o2, pickit2) > CFL energy saver lamps operating on 12V
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thetrueman
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« on: May 13, 2009, 09:03:31 09:03 »
Hi all,

Is there any way to build 12/24V operated CFL energy savers, which are normally operated on 110/220V. I need same type method with low voltage operation. Thank you.
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mitsos
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« Reply #1 on: May 13, 2009, 10:15:53 10:15 »
hi

it is possible, I try a ready CCFL driver circuit (extracted from a "all-in-one" device, scanner use this) and I connect to the filaments and the lamp works good. Also lamps with open-circuited filaments work by this method.

mitsos
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rajudp
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« Reply #2 on: May 13, 2009, 04:22:29 16:22 »
try this

http://www.sonsivri.com/forum/index.php?topic=14755.0
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thetrueman
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« Reply #3 on: May 14, 2009, 07:48:46 07:48 »
Quote from: mitsos on May 13, 2009, 10:15:53 10:15
hi

it is possible, I try a ready CCFL driver circuit (extracted from a "all-in-one" device, scanner use this) and I connect to the filaments and the lamp works good. Also lamps with open-circuited filaments work by this method.

mitsos

Can you please send its circuit to get some idea. Thank you.
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rajudp
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« Reply #4 on: May 14, 2009, 02:03:13 14:03 »
you want to connect the cfl ( with electronic circuit )that operates on 230v . just connect the output of the circuit given in the link
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oldvan
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« Reply #5 on: May 15, 2009, 12:14:28 12:14 »
Not cheap, but ready-made:

http://store.sundancesolar.com/12vdc25wacof.html
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Parmin
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« Reply #6 on: May 16, 2009, 01:29:37 01:29 »
oatleyelectronics.com.au used to have then for AUD$10 each.
not sure if they still got them tho'
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oldvan
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« Reply #7 on: May 16, 2009, 03:17:38 03:17 »
I used to have a CF bulb in my old van.  an it with a $20.00 cheapie power inverter.  Drew less than a standard dome light and gave off much more light and more pleasant.  Newer van has Luxeon LED fixtures I made myself.
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abcsantosh
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« Reply #8 on: May 16, 2009, 12:01:48 12:01 »
Hi, see this link.

http://www.diodes.com/_files/products_appnote_pdfs/zetex/an17.pdf

This is the low cost battery powerd CFL inverter.
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