Sizing the Solar Array: Peak Sun Hours, Derate & Cold String Voltage
This lesson is part of the course
In this lesson
You size the array for the design month, round up to whole panels and check how many panels fit in series before the cold-weather voltage passes the controller's input limit.
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Lessons in this course
- The Load List: Watts, Hours, Wh per Day & Surge Locked
- Choosing 12, 24 or 48 V: System Voltage and Currents Locked
- Sizing the Battery Bank: Autonomy, Depth of Discharge & Strings Locked
- Sizing the Solar Array: Peak Sun Hours, Derate & Cold String Voltage Locked
- Charge Controller: Current Rating, Margin and PWM vs MPPT Locked
- Monthly Energy Balance: Surplus, Deficit & Generator Top-Up Locked
- DC Cables: Cross-Section, Voltage Drop & Fuse Size Locked
- Costs: System Price, Cost per kWh and Payback vs a Generator Locked