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Old 01-19-12, 12:25 PM   #1
Xringer
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Default Missouri wind and Scamming??

This guy doesn't have a very good location to harvest the wind,
but seems to have trouble getting any amperage, even using fossil fuel..


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Old 01-19-12, 02:53 PM   #2
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The trouble is the trees, I would hazard to guess...
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Old 01-20-12, 09:27 AM   #3
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Charging current is a function of load. If his battery bank is fully charged, the resistance will be high, the current draw low. His volt meter does drop to the battery voltage. I'd probably slap a carbon pile load tester on the alternator before I pronounce it a failure. Of course I have load tester because I play with this stuff, but a ten foot coiled 12 gauge or larger steel wire in a five gallon bucket of water will give a good test load as well. Basically a multimeter is a little light to determine his problem.

On the wind spinners, 20' above the trees works a lot better than 20' below.

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Old 01-20-12, 09:57 AM   #4
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Is 25.1V a fully charged bank? Seems a little low to me.
Maybe my 48v bank is being over-charged? Right now, it's at 59.2 (/2=29.6).
So my 12V batteries are reading 14.8v each right now..
Maybe I need to tweak my charge controller.?.

We are having a bit of sun today, so I'll be using some solar (on this PC)
and maybe get that voltage down a bit..


Anyways, it seems like his 24v bank should have drawn more amperage..
But, maybe it's the type of cells he's using..?.
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Old 01-20-12, 10:40 AM   #5
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I based my comment on both of the volt meters reading nearly the same. That's why I suggested loading the alternator. My 24 volt PV charged bank reads 28 volts because that's where the charge controller shuts it off. The 12 volt PV charged bank in the other building charges to 13.68 volts. I'm just guessing here that his controller is set low, although maybe the battery charger in his inverter is low and the battery never has had a full charge.

It's always difficult to troubleshoot remotely, the variables are always out of reach/sight.

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Old 02-15-12, 10:38 AM   #6
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That seems a little high. 13.8v for a 12 volt battery is normal float voltage, 14.5v is maximum cyclic voltage. 10.5v would be dead as a dodo...
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Old 02-15-12, 12:31 PM   #7
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Quote:
Originally Posted by nexsuperne View Post
That seems a little high. 13.8v for a 12 volt battery is normal float voltage, 14.5v is maximum cyclic voltage. 10.5v would be dead as a dodo...
Check out page 13.. Dip sw settings..
http://www.morningstarcorp.com/en/su...nual.04.EN.pdf
And battery types on page 28..
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Old 02-16-12, 08:26 AM   #8
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Listen to the gas engine that is turning the generator, it's not under load when he flips the switch, I suspect that he has more then his old charge controller burned out, those switches he is using are often rated at 15 amps, the 20 and 30 amp versions are out there but harder to find but he really should have a DC disconnect breaker instead of a toggle switch, so given that I would guess that it's his own poor design that is causing this not to work.
A string of light bulbs right on the generator would be a better test without mailing it back.

But how he starts out the video showing his wind "turbines" that are on a 40 foot pipe surrounded by 120 foot trees... he might as well have them inside his basement next to an open window and ask why they don't work, 50 feet above ANYTHING within 500 feet is the standard rule, main reason for that is that the higher you go the greater the wind speed and that when you are to low not only is there less energy but the difference between the energy in the air at the top of the rotor and the bottom tip of the rotor can be enough that it will destroy wind turbines, not so much an issue with these little toy turbines that put out a few watts, but as you get bigger you can have twice the energy hitting the top tip of the blade compared to what hits the bottom tip, that is, if you are to low and close to ground clutter.

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