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Posted by Josepi on June 30, 2010, 1:07 pm
 
Typical pricing would be about $ to $ per watt depending how much
equipment you want to work with.

Grid tie and other fancies put the price up. With a single lamp to run I
would stick with a 12 volt system and keep the price at the lower end.

So

180Watts x $-5 = $20-$00 or maybe slightly more considering the cabling
on a small system.

Expensive lamp!
------------------------------------------

Typically in most areas you can count on about 4 hours of solar insolation
per day.

That includes cloudy weather, seasonal changes, and angle of sun throughout
the day on a solar PV surface set at your latitude angle.

so for 2.5A x 12V x 24h = 720 whr per day

dividing by the insolation factor of 4 = 180 Watts of PV panels.

You lose about 40% in lead-acid batteries and say about 20% more in wiring
(use a MPPT) and system and then double or triple it.

180W x 140% x 120% x 2x = 604 Watts of PV panels. Less with a sun tracker
and down to half (No double) if the reliability is not critical.

Battery capacity can be calculated similiarly but beware of the Peukert
factor (push it hard = low capacity) and cold temperatures. These can derate
your battery down to about 10% of rating and wear it out over a short
period.


Thanks for the input.

I am thinking that to meet my parameters it is going to take quite a bit to
make it happen.
Mainly due to the constant load.

Thanks again.





Posted by Randy on February 23, 2011, 3:03 am
 


I am just a little late diving into this conversation.
I have a 12 Volt lighting system with 240 Watts Solar, MorningstarSS 12 20A
and 2 US Battery L16s' in series.
Though my load is not steady, it is close to your useage.
Everything works great.
Hope this helps those who might be looking at small systems.
Randy



Posted by Josepi on June 29, 2010, 1:26 pm
 Now that you make mention?
Yes let us introduce your suddenly new found 'buddy'
to you - the seriously sick
Gymmy Bob/J P Bengi/Solar Flare/Piezo Guru amoeba.

What you are seeing here suckers is Gymmys worn old
lead them with tune to fuck them with passion, later.
To erode others and boost his superiority complex
the idiot will say anything and work to look up what
you could find yourself were you not so brain dead.
It is only the brain dead he has luck with.
There is NO insult in that, it is FACT.

To begin to understand his game you can dismiss anything
you cannot verify for yourself as being pure horse shit.
and Gymmy is full of it.
His projection of OCD does not even begin to describe
the k00ks obssession with desiring attention.
Take a walk.
Check just a splash of his history.
Then kill file the lame asshole.
Or make that choice and be a victim.

http://groups.google.com/group/alt.solar.photovoltaic/msg/a57dda4e6757f15c?hl=en


[sucker bait deleted]

Beware of further clone imposters posts. I have a very sick OCD individual
that loves my name.
--

fup set to alt.solar.photovoltaic


Posted by Josepi on June 29, 2010, 4:12 pm
 Thanx M II. Your input is quite helpful here.
-----------------------------------------------


Now that you make mention?
Yes let us introduce your suddenly new found 'buddy'
to you - the seriously sick
Gymmy Bob/J P Bengi/Solar Flare/Piezo Guru amoeba.

What you are seeing here suckers is Gymmys worn old
lead them with tune to fuck them with passion, later.
To erode others and boost his superiority complex
the idiot will say anything and work to look up what
you could find yourself were you not so brain dead.
It is only the brain dead he has luck with.
There is NO insult in that, it is FACT.

To begin to understand his game you can dismiss anything
you cannot verify for yourself as being pure horse shit.
and Gymmy is full of it.
His projection of OCD does not even begin to describe
the k00ks obssession with desiring attention.
Take a walk.
Check just a splash of his history.
Then kill file the lame asshole.
Or make that choice and be a victim.

http://groups.google.com/group/alt.solar.photovoltaic/msg/a57dda4e6757f15c?hl=en


[sucker bait deleted]

Beware of further clone imposters posts. I have a very sick OCD individual
that loves my name.
--

fup set to alt.solar.photovoltaic



Posted by Josepi on June 29, 2010, 4:18 pm
 Thanx M II. Your input is so helpful here.
_________________________________________

Now that you make mention?
Yes let us introduce your suddenly new found 'buddy'
to you - the seriously sick
Gymmy Bob/J P Bengi/Solar Flare/Piezo Guru amoeba.

What you are seeing here suckers is Gymmys worn old
lead them with tune to fuck them with passion, later.
To erode others and boost his superiority complex
the idiot will say anything and work to look up what
you could find yourself were you not so brain dead.
It is only the brain dead he has luck with.
There is NO insult in that, it is FACT.

To begin to understand his game you can dismiss anything
you cannot verify for yourself as being pure horse shit.
and Gymmy is full of it.
His projection of OCD does not even begin to describe
the k00ks obssession with desiring attention.
Take a walk.
Check just a splash of his history.
Then kill file the lame asshole.
Or make that choice and be a victim.

http://groups.google.com/group/alt.solar.photovoltaic/msg/a57dda4e6757f15c?hl=en


[sucker bait deleted]

Beware of further clone imposters posts. I have a very sick OCD individual
that loves my name.
--

fup set to alt.solar.photovoltaic



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