I wanted to double check that there wouldn't be an issue adding additional panels to my array. It has 2 strings of 5 in series Kyocera KU265 which has specs of:
I have 25 used CS6P-255PX I got from SanTan Solar with specs of
The array is about 600ft away using 2AWG AL so there will be noticeable voltage loss after increasing the amperage.
The Victron 250/100 says not to go over 70A Isc and has "nominal" 5800W array size for 48V battery.
My calculation shows these panels would be Voc of 187V and Isc of around 36A for 4 strings.. adding these 4 new strings to current array would then have total Isc of 54.5A. Total STC rating of all panels in this array would be 7750W. I assume controller would see a lot less than this due to line loss and the other panels being used. The new set of panels may also not be pointed exactly same direction.
Any issues doing this?
- Vmp: 31.0 volts
- Imp: 8.55 amps
- Voc: 38.3 volts
- Isc: 9.26 amps
I have 25 used CS6P-255PX I got from SanTan Solar with specs of
STC Rating | 255.0 |
PTC Rating | 234.3 |
Open Circuit Voltage (Voc) | 37.4 V |
Short Circuit Current (Isc) | 9.0 A |
The array is about 600ft away using 2AWG AL so there will be noticeable voltage loss after increasing the amperage.
The Victron 250/100 says not to go over 70A Isc and has "nominal" 5800W array size for 48V battery.
My calculation shows these panels would be Voc of 187V and Isc of around 36A for 4 strings.. adding these 4 new strings to current array would then have total Isc of 54.5A. Total STC rating of all panels in this array would be 7750W. I assume controller would see a lot less than this due to line loss and the other panels being used. The new set of panels may also not be pointed exactly same direction.
Any issues doing this?