Size a solar power system for remote telecom towers including DC loads, battery backup, and reliability targets.
Input Parameters
Results
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PV Array Size
W
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Battery Bank
Ah
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Charge Controller
A
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Daily Consumption
kWh
Note: Telecom sites require 99.99% availability. 72-hr battery backup is standard for remote sites. MPPT controllers improve harvest 15-25%.
Reference
Daily Wh = DC Load x 24 hrs
PV Size = (Daily Wh / (Sun Hrs x 0.75)) x 1.25 safety
Battery Wh = Load x Backup Hrs / (DoD x Eff)
Battery Ah = Battery Wh / System Voltage
Charge Controller A = (PV W / Vsys) x 1.25