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Forum Index : Windmills : dcv volts

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guitarbaby
Newbie

Joined: 22/02/2009
Location: Canada
Posts: 15

Posted: 03:57pm 22 Mar 2009

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can someone tell me when i have my meter at 20 dcv and it reads 2 or sometimes as high as 3 or 4 how much is this

CraziestOzzy

Senior Member

Joined: 11/07/2008
Location: Australia
Posts: 135

Posted: 06:43pm 22 Mar 2009

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ummm, you have answered your own question

http://cr4.globalspec.com/member?u=25757

http://www.instructables.com/member/OzzyRoo/

Gill

Senior Member

Joined: 11/11/2006
Location: Australia
Posts: 669

Posted: 09:04pm 22 Mar 2009

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maximum possible reading on this setting = 20 vdc

actual measured reading on this setting = 2 or sometimes as high as 3 or 4 volts.

Variation such as you indicate is usually caused by poor electrical contact.

was working fine... til the smoke got out.
Cheers Gill _Cairns, FNQ

guitarbaby
Newbie

Joined: 22/02/2009
Location: Canada
Posts: 15

Posted: 01:24am 23 Mar 2009

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thanks this is hooked to a small windmill i built very small experment so when wind blows faster the higher the reading will 3 volts charge a 12 volt battry over time was going to try this at the lake i have a solar panel that puts out 1 amp 15 watts but thought with little wind mill would be that much better thanks again

Tinker

Guru

Joined: 07/11/2007
Location: Australia
Posts: 1904

Posted: 01:40am 24 Mar 2009

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Bad news I'm afraid, you need at least 13.5Volts to start charging a 12V battery - any less is not going to do anything. Perhaps it might be a good idea to read up a little about battery charging

Klaus

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