Read just a few stickys tonight and kinda understand now one of the many things I did wrong on my little 450W 12V system.
My 12V/110V 1500W inverter is too big for only 450W of panels. So I guess I really only have only two safe options if I want to keep this system intact...
1. Use a <450W inverter
or
2. Increase the amount of panels to >1500W.
I dont like either option. I want to use the 1500W inverter and I don't want to buy 21 more 50W panels.
New plan...
I have 9 50W 12V panels and 6 310W 36V panels.
I hook up 3 12V panels in series, giving me 36V on each 3 panel bank. And make three banks out of the 9 panels.
Then hook up those three 36V banks in parallel to my 6 36V panels.
What do you think?
The stickys say its okay to do, but not sure which way to go.
Do I match the volts and amps, but the watts will be 150 and 310.
Or would it be better to hook up 6 50W panels in series parallel so the volts and watts match, but the amps will be 20A and 10A?
I have a 60A 3000W MPPT CC for the 6 36V 10A panels already and the combined amps of all 15 panels will be 90A, so will I need a 30A MPPT CC too or do I just go with another 60A CC so the two CCs match? Or?
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My 12V/110V 1500W inverter is too big for only 450W of panels. So I guess I really only have only two safe options if I want to keep this system intact...
1. Use a <450W inverter
or
2. Increase the amount of panels to >1500W.
I dont like either option. I want to use the 1500W inverter and I don't want to buy 21 more 50W panels.
New plan...
I have 9 50W 12V panels and 6 310W 36V panels.
I hook up 3 12V panels in series, giving me 36V on each 3 panel bank. And make three banks out of the 9 panels.
Then hook up those three 36V banks in parallel to my 6 36V panels.
What do you think?
The stickys say its okay to do, but not sure which way to go.
Do I match the volts and amps, but the watts will be 150 and 310.
Or would it be better to hook up 6 50W panels in series parallel so the volts and watts match, but the amps will be 20A and 10A?
I have a 60A 3000W MPPT CC for the 6 36V 10A panels already and the combined amps of all 15 panels will be 90A, so will I need a 30A MPPT CC too or do I just go with another 60A CC so the two CCs match? Or?
Back to reading
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