DC Cables: Cross-Section, Voltage Drop & Fuse Size
This lesson is part of the course
In this lesson
You calculate the minimum cable cross-section of five DC circuits from current, length and allowed voltage drop, pick standard sizes, check the actual drop and look up a fuse size from a fictional table.
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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