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Tractor Talk Discussion Forum

12V regulator

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Jim Scarlott

03-04-2004 22:00:20




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I have a 12V solar system that goes through controlers (simaler to a voltage regulator) I finaly found a tractor 12V regulator with 4 wire hook up F,L, BAT, G I could not find a wiring diagram that would help me to use this in place of the 12 amp charge controler I believe F is Field L is load BAT is battery and of course ground now I have a comon ground for solar panel and Battery bank and controler what I need to know is the 12V pos from solor panel will that hook to field like pos output on generator the of course my 12V lights to L for load and bat to battery and all on the comon ground can someone tell me if they think i got this right (field is the only one throwing me) it's been a long time and i'm not sure of it's function.

Thanks Jim

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RusselAZ

03-04-2004 22:28:22




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 Re: 12V regulator in reply to Jim Scarlott, 03-04-2004 22:00:20  
I don't think an automotive type regulator will work for you on this. Automotive regulators control generator/alternator output by varying the current through the windings. This is what the F terminal does. depending on the system the F terminal will either give a frequency ground (or positive)to the windings. I don't know what kind of solar panel you have but I haven't seen one that you could control what the panel puts out, only control the output with voltage control. A battery is a voltage controller in a sense. Or voltage absorber.

If the job of your controllers that are giving up
is to not overcharge the batteries by clamping off what voltage can get to them, then I think you are stuck with getting what is designed for it. An interesting problem.

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Mark

03-05-2004 09:12:33




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 Re: Re: 12V regulator in reply to RusselAZ, 03-04-2004 22:28:22  
Russel you're just a great guy. Here you are coming off at least a full week of verbal abuse from "us" and a guy with a problem logs in and you jump to the rescue.

Great Job and I know what it's like to have to deal with the general public in trying to make a living.

Don't let them get you down. Like THEY said, those who aren't charging enough to make a living are making a living doing something else..Besides it sounds like you are a very competent mechanic and will fix the problem and give it your best while doing it.

I commend you for coming back to your critics with factual polite retributes..... .repeatedly.....I'd have been involved in an obscene gesture after about the 4th or 5th boo bird whacked me. LOL.

Oooooo ooooo ops..... .here it comes..... flak.

Duck

Mark

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RusselAZ

03-05-2004 11:29:27




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 Re: Re: Re: 12V regulator in reply to Mark, 03-05-2004 09:12:33  
It's easy. Professional mechanics are used to it! :-). Besides, the pills for the twitching helps mellow one.

Thanks for noticing.



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Jim Scarlott

03-05-2004 07:34:05




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 Re: Re: 12V regulator in reply to RusselAZ, 03-04-2004 22:28:22  
yes thats what i need to do is control the charge into the batteries. the small 12V charge controlers are only 12 amp and don't hold up because I'm using 11-14 amps and the next size up is like 300 Amp and very high dollar. if this won't do the trick how about a 12C external voltage regulator for an alternator ?



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Jon H

03-05-2004 08:01:25




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 Re: Re: Re: 12V regulator in reply to Jim Scarlott , 03-05-2004 07:34:05  
I do not think an alternator or generator regulator will work as they control voltage by regulating field current to the alternator/generator. This is a function that can not be applied to a solar battery charger. Could you possibly parallel connect two of the 12V 12 amp controllers to give you 24 amp capacity without the high cost of the large single controller?



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T_Bone

03-05-2004 10:13:05




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 Re: Re: Re: Re: 12V regulator in reply to Jon H, 03-05-2004 08:01:25  
Hi Jim,

The other problem you would incounter is it's the wrong type of CC for deep cycle battery's. You would over charge the battery's using this type of CC if it could be used.

Below is a link to PerfectPower, a one man shop in his home but he does a good job and several RV'ers have used him without problems, Prices are good.

Do not use Wind-Sun (aka Northern Wind & sun, Flagstaff, AZ) As I've been ripped off many times by this comapany, add-on charges on my Visa.

Look at the MorningStar Sunsaver model S20, 20amp CC, $76.

T_Bone

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