I have 1750 watts of solar panels i am planning to mount on my roof soon, but was wondering if i should parallel- series them or just parallel them ????
parallel would give me the most current for battery charging and for providing extra power to the battery bank to help with the load during operation..
what is best??? here is the spec for my panels i have 10 of these
| Open circuit voltage | 44.4V |
| Maximum power voltage | 35.4V |
| Short circuit current | 5.40A |
| Maximum power current | 4.95A |
| Tolerance of Pmax | +10% / -5% |
| Encapsulated solar cell efficiency | 16.4 |
| Module efficiency | 13.5 |
| Cell | Single-crystal silicon solar cells, 125 mm square |
| No. of cells and connection | 72 in series |
| Maximum system voltage | DC 600V |
| Series fuse rating | 10A |
| Maximum Power | 175W |
| Dimensions | 32.5” x 62.0” x 1.8”/826 x 1575 x 46 mm |
| Weight | 35.3 lbs / 16.0 kg |
thank you
Ben
Submitted
12 years ago
Comments
This information would help us to make some suggestions on wiring the array.
well that is part of the equaztion too i havent got a charge controller as of yet, but i am planning a 24 volt battery bank and power inverter..
and wanted to go with either a morningstar 60 amp controller PWM or an outback mppt controller, i dont want to spend a fortune so i am leanining toward a pwm controller but have not decided on which unit would be the best Morningstar or Xantrex or what???
any opinions would be helpful
well that is part of the equaztion too i havent got a charge controller as of yet, but i am planning a 24 volt battery bank and power inverter..
and wanted to go with either a morningstar 60 amp controller PWM or an outback mppt controller, i dont want to spend a fortune so i am leanining toward a pwm controller but have not decided on which unit would be the best Morningstar or Xantrex or what???
any opinions would be helpful
Ben,
With the VMp of the module being 35.4, you should really consider and MPPT charge controller. For a PWM controller, the array (module) voltage should be much closer to the battery voltage.
If you go with an MPPT controller, then you could probably use an 80A Outback controller and make 5 parallel strings of 2 modules in series.
Alternatively, call one of our account managers at 800-409-2257 and they will shop around for an MPPT charge controller for you.
thank you
is there one that is rated better than the other??? i know the features of the outback are nice with Arc Fault and ground Fauld built right in make it a nice option, and the things i have read about the outback make me think it is very dependable too..just looking for a better brand recomendation, if you can??
would series ing them provide better power during parts of the day when there will be shading from the surrounding trees??? i used to love the trees, well i still do but they block my location i want my solar panels and so i see them in a different light now...LOL
Thank you