Robin Andersson's posts

Posted by Robin Andersson on Apr 13, 2010 04:22 pm

#1 -  Renewable Energy > Technical Discussion: Other > Re: How to connect a generator with a battery(12v) or with a lamp?
OK. Thanks for the help Smiley
I found an Ametek 50VDC now. So I think I'll go for that. And that was the better one of the 50VDC.
Hope that will work!


Robin
 

Posted by Robin Andersson on Apr 12, 2010 05:25 pm

#2 -  Renewable Energy > Technical Discussion: Other > Re: How to connect a generator with a battery(12v) or with a lamp?
Hmm if I would guess, around 6-8 m/s.
The measurement was taking at the end of the cable, and the controller and dump was online then.

My speakercabels is 2mm in diameter. And the length in meter is maybe 5. That would be around 16 feet. But some of it is convoluted.

// Robin
 

Posted by Robin Andersson on Apr 11, 2010 11:32 am

#3 -  Renewable Energy > Technical Discussion: Other > Re: How to connect a generator with a battery(12v) or with a lamp?
Hi again!

Recently Ive finished my windmill,chargecontroller and the dump.

Here is a pic on the windmill for those of you that want to se the result:
http://i42.tinypic.com/29mup09.jpg

And here is one on the chargecontroller and the dump:
http://i40.tinypic.com/264rfaw.jpg

And a video that shows it running:
http://tinypic.com/player.php?v=femdde&s=5


But over to my problem now. When I checked the output volatage when the windspeed was high outside, it showed around 9-10 volts. I cant understand why it not generate more volts? Can it depend on how how good the quality is on the cable between the generator and the battery? Cause my cable is a usual speeker cabel, not that wery thick. What could it be else?

** The chargecontroller and the dump works perfect!



// Robin
 

Posted by Robin Andersson on Mar 10, 2010 01:44 pm

#4 -  Renewable Energy > Technical Discussion: Other > Re: How to connect a generator with a battery(12v) or with a lamp?
Thank you very much for helping me understand! I appreciate it very much. I will strongly recommend this site to all of my friends that work with this kind of electronics.

I also found this kind of chargecontroller, http://www.fieldlines.com/story/2004/9/20/0406/27488
what do you think about that? Which one of the two chargecontrollers would you recommend? The one on http://ghurd.info/ or the one Ive found?



 

Posted by Robin Andersson on Mar 8, 2010 10:35 am

#5 -  Renewable Energy > Technical Discussion: Other > How to connect a generator with a battery(12v) or with a lamp?
I need some help with my schoolproject which is to build a windmill.
The windmill is all clear and the last thing is to connect the generator to the battery.

I know that I need some sort of chargecontroller, but I wonder if I can connect it without the chargecontroller and charge the battery? And if we say that I want to run a simply lamp instead of charge the battery, what do I need then if I don't have a chargecontroller?

My generator is an Ametek 60VDC. The output voltage is around 0-30 volt depending on how much wind it is outside.

 

 

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