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Forum Index : Windmills : Re-wiring a F&P for 24 volts

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Bryan1

Guru

Joined: 22/02/2006
Location: Australia
Posts: 1344
Posted: 10:15pm 26 Feb 2006
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Hiya Guy's,

               Well I finally got myself a F&P motor the otherday , and I've been busy researching on the net and reading Glenn's article in siliconchip. Now in the article it shows how to hookup for a 12 volt system but I'm after a 24 volt array as I consider 24 volts to be more efficient. Would I need to change the re-wiring away from 7 poles or would it still be the same? I want to be sure when I re-wire the motor I get it right the first time.

Cheers Bryan

 
Gizmo

Admin Group

Joined: 05/06/2004
Location: Australia
Posts: 5078
Posted: 04:46am 27 Feb 2006
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Hi Bryan

Can you tell me what wire size the stator is. 0.6, 0.8 or 1.0?

The 0.6 and 0.8 versions will work fine charging 24v, they just need to spin a little faster.

Glenn


The best time to plant a tree was twenty years ago, the second best time is right now.
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Bryan1

Guru

Joined: 22/02/2006
Location: Australia
Posts: 1344
Posted: 05:08am 27 Feb 2006
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Hiya Glenn,

                The wire size on my stator is 0.6mm and the outer magnet drum has 14 large magnets. From what I've researched a 12 foot Diameter prop will be ideal and I do have a constant wind blowing on my property most of the time so I should get a fair bit of power out of the genny. I'll be hooking the genny upto a bank of 20 75A/H batteries giving me about 1,500A/H. The primary use will be powering the fridge which only draws 250 watts and a few other appliances. The dumpload will be pre-heating a hot water tank as my current gas based system is getting on the expensive side. I'm currently in the process of designing a charge controller using a pic but I've only just started it so I'll probably buy another shunt regulator from Oatley's in the meantime.

Cheers Bryan

 
Gizmo

Admin Group

Joined: 05/06/2004
Location: Australia
Posts: 5078
Posted: 11:41am 27 Feb 2006
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Hi Bryan.

The 0.6mm wire stator will be perfect for 24v.

12 foot prop, thats a big prop. You could easily drive two F&P's with that size. My prop is about 7 foot diameter and it works fine. I would check that size, it seams awful big.

Yeah I like the Oatley controller, its so simple and reliable, you cant beat it for price.

Glenn


The best time to plant a tree was twenty years ago, the second best time is right now.
JAQ
 
gotwind.org
Newbie

Joined: 15/02/2006
Location: United Kingdom
Posts: 5
Posted: 08:58pm 27 Feb 2006
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Hi, i've found a complete Fisher & Paykel washing machine in the UK on eBay -  I need to instruct the seller how to remove the motor .
I seem to remember seeing a guide on the net, but can't seem to find it now.
Any help welcomed.
email to: enquiries@gotwind.org



www.gotwind.org
 
Gizmo

Admin Group

Joined: 05/06/2004
Location: Australia
Posts: 5078
Posted: 09:34pm 27 Feb 2006
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Check out this link - http://www.ecoinnovation.co.nz/pdf/smartdrive_what_is_it.pdf

Also make sure you read the other articles by Michael, all well written and informative.

http://www.ecoinnovation.co.nz/links.php?code=8

Glenn


The best time to plant a tree was twenty years ago, the second best time is right now.
JAQ
 
gotwind.org
Newbie

Joined: 15/02/2006
Location: United Kingdom
Posts: 5
Posted: 09:50pm 27 Feb 2006
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Thanks for that Glenn - just what i was looking for
For interest the actual item on eBay is listed here.
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=7 594358964&rd=1&sspagename=STRK%3AMEWA%3AIT&rd=1
you may have to copy and paste the URL.
Please reply if there any known problems with this model.
I don't know if it is .6,.8,.1.0 wired or it's condition

It will be quicker than a 3 month wait from a New Zealand ordered motor.

Thanks
Ben

www.gotwind.org
 
adelaide
Regular Member

Joined: 24/03/2006
Location: Australia
Posts: 46
Posted: 12:43am 29 Mar 2006
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hi bryan think the stater i got for u might been a 80 ? .8mm wire might pay to cheak cant remeber for shore thow
help to make progres or radio and vitamin b
 
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