NVCYberPro
New Member
- Joined
- Dec 15, 2022
- Messages
- 91
I currently have a string of 10 - 410 watt panels facing solar south, I plan to add two more strings of 10 panels for 30 total panels. I have a single EG4-6500EX at the moment. I had originally planned to add a second one for additional load and PV inputs, as it looks over the last 3 months of use I may not need the second 6500 for power as we rarely hit 65% output on the one, however I will still need additional MPPT's for the PV arrays.
I am up in the north around 45 degrees, what I have noticed is that although the days are getting longer, the production hours on my current string is not. The sun rises far in the east (actually maybe north east) and sets far in the west (maybe north west). What it looks like is that the sun is rising and setting behind the panels and spending quite a bit of time perpendicular to the panels. Although it is still light outside I am not seeing any PV productivity during these times and I am running off of batteries while the sun is still out.
With this observation I am considering installing only 1 more string of panels towards the south and then possibly splitting the third string and add 5 panels at 135 degree to catch the morning sun and another 5 panels around 225 degrees to catch the afternoon sun.
I figure If I could catch sun longer I could get more daytime power and reduce the need for additional batteries.
Questions:
Does this type of scenario make sense or is this a harebrained idea?
If this would work, would the 5 panels at 135 degrees and the 5 panels at 225 degrees need to be on different strings? (wondering if this would be the same as shading?)
Since I would need 3 maybe 4 strings total but not really need the extra inverter power would it be best to go with separate charge controllers or should I just add the other 6500 and pair them, possible use the second 6500 just as a charge controller and maybe a backup inverter?
Thanks in advance for any advice.
I am up in the north around 45 degrees, what I have noticed is that although the days are getting longer, the production hours on my current string is not. The sun rises far in the east (actually maybe north east) and sets far in the west (maybe north west). What it looks like is that the sun is rising and setting behind the panels and spending quite a bit of time perpendicular to the panels. Although it is still light outside I am not seeing any PV productivity during these times and I am running off of batteries while the sun is still out.
With this observation I am considering installing only 1 more string of panels towards the south and then possibly splitting the third string and add 5 panels at 135 degree to catch the morning sun and another 5 panels around 225 degrees to catch the afternoon sun.
I figure If I could catch sun longer I could get more daytime power and reduce the need for additional batteries.
Questions:
Does this type of scenario make sense or is this a harebrained idea?
If this would work, would the 5 panels at 135 degrees and the 5 panels at 225 degrees need to be on different strings? (wondering if this would be the same as shading?)
Since I would need 3 maybe 4 strings total but not really need the extra inverter power would it be best to go with separate charge controllers or should I just add the other 6500 and pair them, possible use the second 6500 just as a charge controller and maybe a backup inverter?
Thanks in advance for any advice.