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TinMan
Advanced Member


4082 Posts

Posted - August 19 2012 :  08:22:45  Show Profile Send TinMan a Private Message  Reply with Quote
Well im on my way to converting my shed to solar power.
I intend on running all of my equipment in my shed on solar ,except my large lathe and mig welder.


swim at 90 degrees to the current and gain speed in two directions

skype-thetinman.69

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USA
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49er
Administrator



USA
4424 Posts

Posted - August 19 2012 :  09:59:43  Show Profile Send 49er a Private Message  Reply with Quote
Hi TM

Very nice set up, what solar panels are you going to run?? The batteries you have will go down very fast with that 3K inverter and you already squeeze every watt out of equipment so you know how presses your hard earned amp in those batteries are..LOL good luck

Doug
The sky is not the limit...There are footprints on the MOON.
Your only as DUMB as where your standing.
No matter where you go there you are.
You must be logged in to see this link.
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TinMan
Advanced Member



4082 Posts

Posted - August 19 2012 :  19:04:51  Show Profile Send TinMan a Private Message  Reply with Quote
Hi 49er
I will be starting with two 80 watt pannels.
Where i live,we get about 13 hours sunlight this time of year,and about 15 hours mid summer.
At the moment,it would be about 5 hours peak sunlight the pannels would recieve.
So i should be able to put back 13.3 amps at 12 volts for the 5 hour peak.
We can always add more pannels if required lol.

swim at 90 degrees to the current and gain speed in two directions

skype-thetinman.69
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TimberJack
Senior Member



824 Posts

Posted - August 19 2012 :  19:49:57  Show Profile Send TimberJack a Private Message  Reply with Quote
HI TM,

So here is where you put this video...lol

------
Hi mate,

Nice to see here up and running again...^^
You`ve been scoring alot of stuff#65279; from work lately...lol
The Throw Away Society...thats what we are living in...=.=
That firing on N & S issue is something i have on me PM aswell...
It can be done with commutators to but its just abit more work...
And yes, a motor that fires only on N or S would be simpler...:D
------


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***Possibilities Within The Impossible***
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TinMan
Advanced Member



4082 Posts

Posted - August 20 2012 :  08:28:39  Show Profile Send TinMan a Private Message  Reply with Quote
Hi TJ
There is a warehouse full of returned stuff.
I have also just been promoted to workshop forman.Now this is good because i get to take care of all the returned stuff lol.A near new 6kva generator came in today with a fault in the electronics.
Being that most of the returns are china inports-it is cheaper for the boss just to give them a new one.
So guess who scored a 6kva generator today lol.

swim at 90 degrees to the current and gain speed in two directions

skype-thetinman.69
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TimberJack
Senior Member



824 Posts

Posted - August 20 2012 :  13:21:37  Show Profile Send TimberJack a Private Message  Reply with Quote
Hi TM,

What can i say but..."Awesome"...just awesome to have your own supplier of these stuff...lol
Grats on being promoted to forman of your own supplier...lmao
Make a video on that 6Kva gen when you get the time...;-)

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***Possibilities Within The Impossible***
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49er
Administrator



USA
4424 Posts

Posted - August 21 2012 :  10:12:02  Show Profile Send 49er a Private Message  Reply with Quote
Hi TM

Are you going to set up a repair station to save money for the shop and pay for a second person to do the repairs??

Doug
The sky is not the limit...There are footprints on the MOON.
Your only as DUMB as where your standing.
No matter where you go there you are.
You must be logged in to see this link.
SKYPE bxx49er
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TinMan
Advanced Member



4082 Posts

Posted - August 21 2012 :  19:20:30  Show Profile Send TinMan a Private Message  Reply with Quote
Hi 49er
As far as repairing the stuff-well boss says its cheaper to buy a new item than the cost of labour to fix it.
As he buys in bulk-stuff is cheap.Take that 500 watt inverter for instance-he only pay's $42.oo each for them.It cost him $48.oo an hour to keep me lol.
So this is good for me lol

swim at 90 degrees to the current and gain speed in two directions

skype-thetinman.69
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TimberJack
Senior Member



824 Posts

Posted - August 22 2012 :  20:51:05  Show Profile Send TimberJack a Private Message  Reply with Quote
LOL,
"It cost him $48.oo an hour to keep me lol.
So this is good for me lol"...
No bloody kidding its good for you...lmao


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TinMan
Advanced Member



4082 Posts

Posted - August 24 2012 :  00:30:50  Show Profile Send TinMan a Private Message  Reply with Quote
Think I will slash out and get a heap of 240 LEDs, bloody 18 bucks a piece over here for a 3 watt one

swim at 90 degrees to the current and gain speed in two directions

skype-thetinman.69
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TinMan
Advanced Member



4082 Posts

Posted - September 10 2012 :  10:05:26  Show Profile Send TinMan a Private Message  Reply with Quote
Hi SD
so far i have 1100 amp hours of batterys charged up.I still have 4 big ones left to go.
I have the small 500 watt invertor that will be used to light my shed.
I have 4 of those 240 volt 3 watt LED's that will be going in there-so 12 watts to light the shed.
The 3kw invertor will be used up at the house to run the light's and tv dvd setup to start with.
I only have 4 solar pannels at the moment-80 watts each,as i get them cheap.So one for the shed and the other 3 for the house setup.
Im buying one per month at work-so as it dosnt hurt the bank balance to much lol.
Come summer when the days are long-i will try the system out on the washing machine aswell-should have more pannels by then.

swim at 90 degrees to the current and gain speed in two directions

skype-thetinman.69
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TinMan
Advanced Member



4082 Posts

Posted - February 17 2013 :  05:06:46  Show Profile Send TinMan a Private Message  Reply with Quote
Now we have solar pannels at work,i have started to convert all the lighting in the house to solar.


swim at 90 degrees to the current and gain speed in two directions

skype-thetinman.69
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TinMan
Advanced Member



4082 Posts

Posted - February 17 2013 :  05:31:16  Show Profile Send TinMan a Private Message  Reply with Quote
Ok we have the solar system up and running.
I am supprised at how fast the large battery is charging even though the sun is almost down.
It is also running the light inside,which lights up the kitchen and dineing room better than i thought it would.


swim at 90 degrees to the current and gain speed in two directions

skype-thetinman.69
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49er
Administrator



USA
4424 Posts

Posted - February 17 2013 :  09:47:01  Show Profile Send 49er a Private Message  Reply with Quote
Hi TM

Know your starting to get hooked. I like it. let us know how much you electric bill starts to go down..

Doug
The sky is not the limit...There are footprints on the MOON.
Your only as DUMB as where your standing.
No matter where you go there you are.
You must be logged in to see this link.
SKYPE bxx49er
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IrishDave
Senior Member



Ireland
850 Posts

Posted - February 17 2013 :  10:35:11  Show Profile Send IrishDave a Private Message  Reply with Quote
That is a sweet setup.

Do you have a link for those lights? Are they that good?
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TinMan
Advanced Member



4082 Posts

Posted - February 18 2013 :  22:18:49  Show Profile Send TinMan a Private Message  Reply with Quote
An update on my setup.
I now have 3 lights running 24 hours a day.
From sun down to sun up-i loose .14 volt's in my batterys.
This is about 8 hours without charge this time of year.
The solar charger starts charging at around 6.10-15am,and switches of at around 8.25-30am-batterys fully charged.
At this rate,10 light's will be no problem at all to run 24 hour's a day on this 1x 80 watt pannel.
Here is a link showing the lights i am useing-although i only pay $12.00 for them.
The price on this sight seems a little high.
You must be logged in to see this link.

swim at 90 degrees to the current and gain speed in two directions

skype-thetinman.69
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kcarring
Moderator



Canada
1057 Posts

Posted - February 18 2013 :  22:34:53  Show Profile Send kcarring a Private Message  Reply with Quote
Tinman

It's addictive! I sold my12V system and im kaching kachinging my way closer to picking up a pallet of 24V panels. 24V panels are SO cheap right now! My cost is $0.80/watt - but you do have to buy 24 pc. X 245 watts.

~~~~~~~~~~~~~
You wouldn't laugh at my igloo if you knew how cold my beer is!
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IrishDave
Senior Member



Ireland
850 Posts

Posted - February 19 2013 :  05:21:38  Show Profile Send IrishDave a Private Message  Reply with Quote
Hi TM.

Is this the same item with just more lights?
You must be logged in to see this link.
Would it be the same size as the ones you got?

"At this rate,10 light's will be no problem at all to run 24 hour's a day on this 1x 80 watt pannel." Thats sounds good :)
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TinMan
Advanced Member



4082 Posts

Posted - February 19 2013 :  07:58:11  Show Profile Send TinMan a Private Message  Reply with Quote
Hi Dvae
Im not sure as they dont give you the amp draw?
The one's im useing-although they say they draw 150ma on high,they actualy only draw 122ma at 12.6 volt's.

I have cleaned our store out lol,so they have orded more of these light's.
I have orded 5 more,as it run's the 3 i have 24 hour's a day with no problem.
The solar charger only needs to charge for about 1 hour in the morning,and the battery's are full.
It seems the wife would like some of these lights outside in the patio area now lol.

The real test will come during the winter month's,but that is about 5 months away yet.
Even then,we get 7 hours of sun light on average.

swim at 90 degrees to the current and gain speed in two directions

skype-thetinman.69
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IrishDave
Senior Member



Ireland
850 Posts

Posted - February 19 2013 :  08:08:48  Show Profile Send IrishDave a Private Message  Reply with Quote
Hi TM.

How does the light output compare to a small cfl?
Are the ones in the link I posted the same size (Dimensions: 5.51 in x 5.51 in x 0.98 in (14.0 cm x 14.0 cm x 2.5 cm))?
Because it is for a car, I am wondering if it may be smaller than the ones you have?
What size cable will I need to use for 2x80w panels? I have one 80w now, but plan to have another one this year so I would like to run wire that is suited to 2 of them.
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TinMan
Advanced Member



4082 Posts

Posted - February 19 2013 :  18:06:28  Show Profile Send TinMan a Private Message  Reply with Quote
Hi Dave
The size is very close,so no problem there.
The light output is different than that of a CFL.
Although not as much as say a 10 watt CFL,it is a much whiter light.
For some reason everything just looks much clearer with the light from the LED's.
I would use 4mm copper stranded wire.This will leave room for extra additions should you ever decide you need them.
That is the size i have run.That will handle 40 amp's at 12 volt's -no problem.

An update on voltage drop over night.
Battery voltage after solar charger switched of for the night-12.98 volt's.
Battery voltage befor charging started this morning-12.82 volt's
Voltage loss over night with 3 lights going=.16 volt's

swim at 90 degrees to the current and gain speed in two directions

skype-thetinman.69
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IrishDave
Senior Member



Ireland
850 Posts

Posted - February 19 2013 :  20:17:38  Show Profile Send IrishDave a Private Message  Reply with Quote
Cheers TM

I am familiar with the color of the lighting as I have 3xSMD's in my bedroom. They reduced my lights from 150w (3x50w) down to 10.5v (3x3.5v) while putting out better, clearer lighting.
I am going to buy one of the domes to try them out and that draw sounds great on them too.
I was hoping to run 5 lights (cfl) off mine (through an inverter), but your way seems far better now. :)
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TinMan
Advanced Member



4082 Posts

Posted - February 24 2013 :  06:03:36  Show Profile Send TinMan a Private Message  Reply with Quote
Update
Ok-the last three days here have been full overcast with rain.
Ond its hot as hell then the next it's raining.
Anyway,we had 4 lights going 24 hour's a day, and 3 going during the nights for around 5 hours each.
The lowest recorded battery voltage was at the end of the second overcast day,and that was taken befor sun up.The voltage was 12.36 volt's.
It would seem that 4 lights will be no problem to run 24 hours a day with an extra 3 lights being used as needed at night-during the winter month's.
This is just with one x 80 watt pannel.

My next plan of attack is to get two mor 80 watt pannels and use my 1.5kw inverter to run the fridge out side-just as a test run.
The fridge uses 514 watts when running,but it only runs for around 2 hours a day to keep it cold.
This depends ofcourse on how much time the kids spend in the fridge-deciding what they want.
The battery bank for this will also be hooked to my UPS that runs my cpu,modem and printer.
Not sure on running a UPS full time on the battery? but should be ok,as it's only a true sinewave inverter.

swim at 90 degrees to the current and gain speed in two directions

skype-thetinman.69
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IrishDave
Senior Member



Ireland
850 Posts

Posted - February 24 2013 :  07:50:43  Show Profile Send IrishDave a Private Message  Reply with Quote
Hi TM

What is a UPS? universal-power-supply?
How would the fridge react to running on 24v as you have done on your other project?

What is the output voltage of your panel?
I was testing mine in the garden today in full sun and it showed 21.9v.
Mine is rated at 18v.

Edited by - IrishDave on February 25 2013 16:00:45
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49er
Administrator



USA
4424 Posts

Posted - February 24 2013 :  11:30:46  Show Profile Send 49er a Private Message  Reply with Quote
Hi TM

One more thing you need to take into your figures is cold. How cold does it get there??

Doug
The sky is not the limit...There are footprints on the MOON.
Your only as DUMB as where your standing.
No matter where you go there you are.
You must be logged in to see this link.
SKYPE bxx49er
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TinMan
Advanced Member



4082 Posts

Posted - February 26 2013 :  18:35:21  Show Profile Send TinMan a Private Message  Reply with Quote
Hi Dave
A UPS in an uniterupted power supply

Hi Doug
It can get down to 2 or 3 deg* here some time's-which would mean the fridge wouldnt be working as hard.

It seems that many people think to run there house ,it would take around a 4kw stand alone system.
If done right-useing the right components,i think it could be done with a 1.5kw system.
$2500.oo is all it would take to get off the grid here-i believe.
Most think that the batteries are the largest cost,but i can get 400AH 12 volts deep cycle gell cells for $250.oo each.
3 would be enough to do the job i recon.
Then 1.5kw of solar pannels,a heavy duty regulator and a 3kw inverter.
All lighting would remain at 12 volt's-and we cn still get 12 volt appliances at the caravan shop quite cheap.

swim at 90 degrees to the current and gain speed in two directions

skype-thetinman.69
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49er
Administrator



USA
4424 Posts

Posted - February 26 2013 :  18:42:54  Show Profile Send 49er a Private Message  Reply with Quote
Hi TM

We shall see. 1.5 KW panels OK 3-400AH batts NO WAY # KW inverter will suck those batts like a 100lb kid and a 3 oz glass of chocolate milk.

Doug
The sky is not the limit...There are footprints on the MOON.
Your only as DUMB as where your standing.
No matter where you go there you are.
You must be logged in to see this link.
SKYPE bxx49er
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IrishDave
Senior Member



Ireland
850 Posts

Posted - February 26 2013 :  20:59:51  Show Profile Send IrishDave a Private Message  Reply with Quote
Hi Guys.

I ordered one of the 37 led lights to test.
I remember doing some math and working out that I would pay about 6K euros for a battery bank that would sustain my house.
A 100ah Deep cycle battery now costs 220 euros here!!! I can find nothing cheaper.

TM - what voltage is your panel?

Doug - loving the examples lol.
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TinMan
Advanced Member



4082 Posts

Posted - February 27 2013 :  06:51:33  Show Profile Send TinMan a Private Message  Reply with Quote
Doug
I dare not dissagree with you saying that 1200 amp hours is not enought-as you are our battery man.
So insted i present a question.
On our last power bill,we have been useing 7.2kWh hour's a day.
These 3 batteries can deliver 14.4 kWh hours a day(peak)-13.6 is the recomended amount.
Now our power usage is 1kWh for 7.2 hour's(Average of a 24 hour day)
The two main power consumers in the house would be the fridge and washing machine.
The fridge is on and off all day,and the washing machine dose around 2 hours a day-3 days a week.
The lights will all be 12 volt's-no inverter.
And the washing would be done during the day-so solar pannels would be supplying the power for that-not the batteries.
The 82cm plasma tv that i thought would gobble up a sh-t load of power,only draws 178 watt's-so the watt meter say's ! this was quite supprising !
Our cooking and hot water is LPG.
From sun down,the batteries would only have to take care of light's-10 x 122ma=1.22 amps or 15.8watts going on 13 volts.
Fridge-on,off
TV for about 5 hours
Pops computor-that be me
And pop's fan -if he gets to hot.

So why do you believe that 1200 amp hours of batteries is not enough?
I need to know befor i order the batterie's,as it is cheaper per battery-the more of them i order.

Cheers

swim at 90 degrees to the current and gain speed in two directions

skype-thetinman.69
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TinMan
Advanced Member



4082 Posts

Posted - February 27 2013 :  07:02:46  Show Profile Send TinMan a Private Message  Reply with Quote
Hi Dave
I did not measure open voltage of the pannel befor i put it up.
But it is a 12 or 24 volt pannel-depending on how you position the jumper in the conection box.
I am running it on the 12 volt hook up-as all my stuff is 12 volt's.

If you are only going to be running those small light's-you wont need a deep cycle battery-a normal vehicle battery will be fine,as your voltage will never go down below 12.4 volt's(at a guess)
If you look at what a normal vehicle battery has to put up with,then you will be treating it kind with your light's.

swim at 90 degrees to the current and gain speed in two directions

skype-thetinman.69
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49er
Administrator



USA
4424 Posts

Posted - February 27 2013 :  07:44:57  Show Profile Send 49er a Private Message  Reply with Quote
Hi TM

Batteries is the only supply of power when the sun doesn't shine. In the summer here yes you can get away with a lot less battery but in the winter when it gets down to 1or 2 C in the basement or 35 to 40 F the batteries won't deliver the same capacity as at 80 F which is 100% capacity. at 1 or 2 C they are down to 10 to 15 % capacity which 1200 x 10% = 120 hr very big difference. Now here in Michigan we only have sun a small amount each week LOL thats the only way you can put your finger on it. So you need in the winter to have a large supply of reserve power. One other point to bring out is you need to rest your batteries at least once a month, I rest mine once a week just because most all my banks are used and some very badly and after a year 1/2 they are just starting to come back and work as a group. With them its a week link type scenario. The rest is what I think works the best in recovery and not burn them out in 3 years, which most people do with to small a bank and use them to much. Just my thoughts. A good starting bank would be 3500AH thats what I ended up with after the first year. Also I would split them into 2 banks for the rest reason and swap them every other day until you see how they hold up under all loads.

Doug
The sky is not the limit...There are footprints on the MOON.
Your only as DUMB as where your standing.
No matter where you go there you are.
You must be logged in to see this link.
SKYPE bxx49er
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IrishDave
Senior Member



Ireland
850 Posts

Posted - February 27 2013 :  08:37:52  Show Profile Send IrishDave a Private Message  Reply with Quote
quote:
Originally posted by TinManBut it is a 12 or 24 volt pannel-depending on how you position the jumper in the conection box.

Can you explain some more about how that works? I am not familiar with this.

Until I see the output of the lights, I am not sure what I plan to run yet.
I just ordered this regulator You must be logged in to see this link.

I think I may be able to modify a satellite dish holder to support my panel on my chimney.
I am not planning on getting any deep cycle batteries soon, but I hope to build up a battery bank this year.
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49er
Administrator



USA
4424 Posts

Posted - February 27 2013 :  08:44:08  Show Profile Send 49er a Private Message  Reply with Quote
Hi Dave

The question is are you going to run 12v or 24v?? Then you wire the panels to match. The controller you ordered can run either 240 watts in 12v or 480 watts in 24v.

I find that a bit odd Doug
I would have thought that it would be 12 at 20 amp's 240 watt
Or 24 volt at 10 amp-240 watt.
I thought charge controllers went on the watts of power they can handle?
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IrishDave
Senior Member



Ireland
850 Posts

Posted - February 27 2013 :  09:18:18  Show Profile Send IrishDave a Private Message  Reply with Quote
Hi Doug.

My panel is 18v so I needed to be sure that that regulator was suitable?
The plan was to run on 12v until I get another panel.
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TinMan
Advanced Member



4082 Posts

Posted - March 02 2013 :  10:57:02  Show Profile Send TinMan a Private Message  Reply with Quote
Well as a test,i have been running 6 of the lights 24 hours a day for the past 3 day's
Battery voltage(both sun up and sun down)dosnt seem to have changed.
So now i will be leaving 8 lights on 24 hours a day,for the next 3 days-and checking again.
But now the children are starting to complain that it's to bright in the house to get to sleep lol-Close the doors i say.
Fancy that comeing from the one's that use to leave the lights on all night ! when i had to pay for the power !
Tomorow is also suppose to be over cast,so that will be a good test.

swim at 90 degrees to the current and gain speed in two directions

skype-thetinman.69
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IrishDave
Senior Member



Ireland
850 Posts

Posted - March 02 2013 :  21:03:24  Show Profile Send IrishDave a Private Message  Reply with Quote
Too bright in the house from solar sounds just wonderful and something to be very proud of!

Could a dimmer be used with your LEDs if you were to modify the light switch?

Mt 37 LED light was finally shipped from Hong Kong yesterday evening.
Could be weeks before I get it.
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TinMan
Advanced Member



4082 Posts

Posted - March 04 2013 :  06:14:19  Show Profile Send TinMan a Private Message  Reply with Quote
Hi Dave
The lights have two settings-low and high.
So now at night the kids turn the 4 near the bedrooms down to low lol.
But the kitchen,lounge and dineing room stay on high.
Next is a couple outside in the patio area.

swim at 90 degrees to the current and gain speed in two directions

skype-thetinman.69
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IrishDave
Senior Member



Ireland
850 Posts

Posted - March 07 2013 :  08:47:38  Show Profile Send IrishDave a Private Message  Reply with Quote
Hi TM.

Anymore updates on how the lights are doing?

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TinMan
Advanced Member



4082 Posts

Posted - April 19 2013 :  03:07:33  Show Profile Send TinMan a Private Message  Reply with Quote
Hi Dave
I now have an extra 2 LEDs in the outdoor patio area.We now have a total of 7 LEDs on full time, and 4 more that are switched on and off as needed.this may be the limit of the 80 WATT pannel during winter months.The last 3 days have been overcast with rain, and the batteries were down to 12.4 volts just befor sunrise this morning.

swim at 90 degrees to the current and gain speed in two directions

skype-thetinman.69
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IrishDave
Senior Member



Ireland
850 Posts

Posted - April 19 2013 :  06:34:50  Show Profile Send IrishDave a Private Message  Reply with Quote
Hi TM.
That sounds sweet for just one panel. What AH is your battery and is it deep cycle?

I am still unsure which way to go with my lighting.
While the 37 LED (3w) light works well, I would need at least 2 of them to replace the brightness of the existing bulbs (11w).
I am waiting on a delivery of LED bulbs that run on 240v to test against what I am using.
I may still end up using an inverter and using the existing lights with 240v LEDs. They would save me having to run more wires and switches and they work out cheaper.
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49er
Administrator



USA
4424 Posts

Posted - April 19 2013 :  09:04:22  Show Profile Send 49er a Private Message  Reply with Quote
Hi Dave

Only time will tell. You will find out which way to go and then things will change. LOL thats the way it went for me. Just make sure you leave options. Good luck

Doug
The sky is not the limit...There are footprints on the MOON.
Your only as DUMB as where your standing.
No matter where you go there you are.
You must be logged in to see this link.
SKYPE bxx49er
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TinMan
Advanced Member



4082 Posts

Posted - May 05 2013 :  09:13:38  Show Profile Send TinMan a Private Message  Reply with Quote
Hi Dave
The only problem with using an inverter is that they run at a loss befor you even switch on a light.I have only 3 rooms left in the house that still use grid power to light them.I know one more 80 watt pannel will fix this for sure.My whole house (plus the outdoor patio) will be lit by solar (160 watt's).
I am only using SLA's-not deep cycle(although i just scored an 80ah deep cycle).They are the larger truck type-i think they are 80ah each aswell.So a total of 160ah @ 12 volts(13.5)Im drawing about 1.4 amp's with all 7 lights on,but 3 of them get turned off come bed time.
The other thing is that these two batteries are old ones from work that wouldnt start the truck any more-so badly sulphated--and im probably making them worse using them on deep cycles.So there capacity will be right down aswell-which means that the system can only get better with good batteries.

So my next project is to come up with some sort of high powered desulphator-some where around 60 to 100 watts.

swim at 90 degrees to the current and gain speed in two directions

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totoalas
Junior Member



Macao
168 Posts

Posted - May 05 2013 :  21:05:21  Show Profile Send totoalas a Private Message  Reply with Quote
Hi
please try joule ringer from lasersaber lots of circuits to choose from version 1 to 3 using 200 ma up to 1 ampere with 10 led lamps

totoalas
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warrior90
New Member



9 Posts

Posted - August 15 2013 :  20:16:18  Show Profile Send warrior90 a Private Message  Reply with Quote
Hi Everybody
Just signed up yesterday on the forum.Nice place to stick around ** Just got through reading.. so here is my little grain in the salt pot.
I live 6 month of the year in the south of Spain in my 27 feet Motorhome wich is my hobby.Built one myself in the old days and now near retireing bought a 1990 Winnebago in good shape and with all the tatoos for comfortable living on board.That includes a hungry loud and unstainable 5 Kw generator to support my energy hungry live style.From my first experience (1 Year permanent living in RV),I was familiar with the energy problems, and since changing that takes mayor surgury, I opted for a used RV and spent the money on new energy tech.
To make the story short....I have the same consumers than a regular houshold with one BIG DIFFERENCE to Your situation. MY SPACE IS VERY LIMITED and that complicates the situation a lot.Also my roof is not clean,...lots of windows,vents,AC. Since I have solar back ground, I started a project with the objective to find the most sufficient system with off the shelf tech with out economic restriction. Well that sound scary at first, but please keep in mind, I am totally island and have no power besides the one produced on board.
So here we go:
For panels I opted for 6 UNISOLAR 68 W amophor thinpanel tech.This comercial grade, runs for ca 1$/ watt on ebay and they are flexible, have no frame, just glue on flat surface.
there are bigger panels with 146 watt
SPEC. You must be logged in to see this link.
To the tech ? Against general beleave, when Your Panel says for example 100watts,that means under optimum conditions >NOON 12-13 Hour at 30š angle but You have this optimum coditions just for a very short period of the day, not even mentioning cloudy days.So this amophoro tech is a lot more sensitive to light and You will have more usefull production time and it starts charging earlier in the morning after run down the night before. Also the 30š angle is not required: with 15-20š You are good. Iīm good with horizontal on my RV roof. They eaven produce 2š North OK. Did some test in a ware house with neon light. They bring definitly the voltage.
I guess all the guys that think about a tracking system know what I,m talking about...In the end the only thing that counts is Watts PRODUCED per day.Also very important...THE LOWER THE TEMP OF THE SOLAR CELL, THE MORE THEY PRODUCE...watch optimum ventilation.
So much to the panels
Now to the regulator and in my opinion the most important component in the system.
Here keep in mind... in order to charge > system voltage has to be higher than battery voltage and here we go.....an important part of the day and on cloudy days system will not reach this value.
How to fix it:.....MPPT= MAXIMUM POWER POINT TRACKING.
How it basically works: well letīs say in the early morning your 2 panels bring only 11 volts each and there for You donīt charge. if You could hook up Your 2 panels in series You would have 22 Volts and charge OK but than You have the problem later on in the day because Your voltage would be way high.So MPPT tracks Your voltage and converts it to optimum amps according to Your battery bank.Here You can expect DRAMATIC changes in Your system.. at least 20% gain with a quality unit (don,t know about the chinese)
Another beneficial feature is, since You are running a higher voltage, the size of Your wires is smaller and less expensive
For more tech on MPPT
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Also helpfull
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here You will also find software to size Your tracker
This components come with a lot of fancy options, but remember the most important is the efficiency factor and (those units get hoTTTT). I bought the morningstar for that reason and no fan that can break. Yes this is expensive and this depends on the quality grade of the components but more expensive is a breakdown.
I highly recomand this tech for any Solar system. Today they also make them for wind generators.
Batteries
They are expensive and for getting extended life stay with in 20% max discharge.50% and lower descharge will seriously affect your batterie life....More in my case....batteries are inside,so I can only use sealed batteries and not deep cycle
Charging:in order to get max life.... this is another state of art
System design:
Start with Your batterie bank. How much is Your consumption Watts/day and how many days according to weather do You need to buffer.
Now start thinking about how You produce the amps to charge.
To my system
In my area I have 1873watts/square meter/per year.....one of the highest world wide and quiete stable sunshine but the months Jan/Feb days are very short.My system 400 watts solar panel 400 amp Batt bank and eaven in those months allows me to run the fridge during half min half the day and start the night with full batteries.I observed that from Feb to March my production raised considerable due to the horizontal position of my panels,but eaven so on rainy days I allways got a min of 10 amps / min 3 hours a day.Lowest 700 watts/day.Average 1500 watts/day.Max Amps 20-25 Amps under load.System is wired 3 panels is series / 60-70 Volts.Iīnot running the system at the moment but for summertime I estimate this to be 70-80 volts and 25-30 Amps under load max.
Yes my fridge also runs on gas, but I used it as a test load.
I made extensive tests specially at Start Up and critical weather conditions with readings every hour during the whole day with an amp meter hooked up between the regulator and the batterie and checking the read outs on the regulator.This data is avaiable on request.I made this data public on some RV web sights in order to compare system efficiencys with others
well....NO REPLY or frases like.........no wonder in Spain
My Conclusion
Solar Energy is an expensive initial, but very stable high quality energy,if design is proper no complications and allmost maintanance free.MPPT a must for efficiency in any system
In my case:
I NEED MORE JUICE on LESS SPACE 24/7/365
Hello TinMan
I have a 2nd individual out put for my starter batt on my inverter.I plan to run the engine starter off of a cap bank in the future.So here I would free a solar charged 100 Amp batt as run Batt.On the other side I plan to upgrade to 800 amp batt bank.I am smiling at Your pulse motor/circuite. What do You think ?
Any how ...Thanks for the time.Hope the info was usefull.

Best Regards



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TinMan
Advanced Member



4082 Posts

Posted - August 16 2013 :  06:19:46  Show Profile Send TinMan a Private Message  Reply with Quote
Hi Warrior.
Pulse circuits on solar are mainly for battery conditioning,as solar battery banks tend to get heavy loads placed on them during the night.The batteries have a hard life on solar setups,thus now most solar chargers have a PWM charge cycle on them.
Forget about using a pulse setup to gain energy,as it just dosnt work-they are a loss.

swim at 90 degrees to the current and gain speed in two directions

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49er
Administrator



USA
4424 Posts

Posted - August 16 2013 :  09:18:58  Show Profile Send 49er a Private Message  Reply with Quote
Hi Warrior

Your Bank is the heart of you system and Sealed batteries are not the way to go as you know but in your case by sealing the compartment and using a small computer fan you can use Deep Cycle and just vent the compartment with the fan. I know it works because I have it in my basement and is vented to the outside. To increase the power try in the panels try to make up some solar reflectors to boost your sun and that does work and light weight and portable.
Another help for the bank is to Split them into 2 banks and let one rest over night while the other works, this increases the life of the bank. A pulse charge once a month helps in battery sulfaction in conjunction with the over night rest.
There is one more thing you can add off the rear of your MH and it does not take up a lot of space. It is a 400 to 600 PMG wind generator. This can be put on the trailer hitch for the base and anchored at the roof no guy wires needed and quick take down when moving. This would be a big help in the winter months when there is more wind and less sun. Hope this helps

Doug
The sky is not the limit...There are footprints on the MOON.
Your only as DUMB as where your standing.
No matter where you go there you are.
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SKYPE bxx49er
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warrior90
New Member



9 Posts

Posted - August 19 2013 :  03:23:46  Show Profile Send warrior90 a Private Message  Reply with Quote
Thanks a lot for the inspirations
TM is there no circuit that can help me to boost my charging capacity ?
Followed Your window motor very closely or didnīt I look close enough. Swapping batteries is not an issue.
The gen set is realy a **BITCH**, most of the time when switched on, you loose a lot,because the batts canīt take that much charge. So I waiste a lot of energy.So if I canīt find another solution,I will change the AC gen to a DC PMA system.less problems > easy to fix and can be scaled to my need.My inverter is 3000w continuos and 6500w max.I donīt need the AC.This mix of AC and Dc on board,the less the better. Keep in mind on the road You have to fix allmost everything yourself.That requires tools and spare parts..OK
To the batteries....should have been more specific but had allready a bad feeling with that long reply.
So another problem is the size and the weight of the batteries 4 x 200 Amp is 240 Kg.Storage place is limited due to allready existing interior.Other important issue is I want to keep the batteries as close as posibble to the inverter (resitance/wire size)and charge controller.Both elements take up considerable space.Add on the feature of easy maintanance.Sealed batts inside is a very clean story.Also in wintertime they donīt get too cold.Iīm playing with the idear of mounting a second batt bank in a steel box together with the spare tire motor cycle mounted to the rear of the chasis.So hear I would have the deep cycle batts, wich would give me more capacity for the same weight,because I can discharge them all the way down, (wich I hope never happens.
49er. yes I thought about a wind gen of that size.On top of my roof I want to carry a fishing cayak....6m long - weight 50Kg.So Thought about a light crane type of structure fixed to the rear bumper.That could be used for the wind gen.The only thing I donīt like is the noise and the vibration on the chasis, guess compared to a gas engine thats minor.Another issue here is, its getting more complicated everyday to find nice places. There is a new trend in Europe...campgraunds are big buissnes.So you want to keep a low profile specially in the city.A wind gen is not the right answer.
To mention another idear of mine.If I could eliminate the gaz system,would be great....water to heat using the engine coolant system and heat exchangers....just all 12 volt. Would be great but needs a lot of Juice. Well the way it looks like in Spain with them dummys, I might forget about all of that and get used to blow a lot of smoke again. Just another pipe dream.

Thanks for attending

Here a little something I saw today
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Would like to put this to my signature on Your forum
Just looking at it and the sound facinates me
Tell me if You like it

Best Regards
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TinMan
Advanced Member



4082 Posts

Posted - August 19 2013 :  09:01:33  Show Profile Send TinMan a Private Message  Reply with Quote
Quote Warrior: size and the weight of the batteries 4 x 200 Amp is 240 Kg
What batteries are you using?.I can buy 240 amp hour deep cycle batteries off the shelf that weigh only 22 KG each. So 4 would only be 88KG's.That is nearly 1/3 the weight you have there for more amp hours.

swim at 90 degrees to the current and gain speed in two directions

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