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Solar Cable Sizing and Protection Guide by Hamza Ayaz is a document available to read on EtoBox.

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Here are the steps to calculate the voltage drop: 1) Cable length (L) = 10 m 2) Current (I) = 9.6 A 3) Resistivity (ρ) of copper = 0.0183 Ω/m/mm^2 4) Cross sectional area (A) of cable = 10 mm^2 5) Battery voltage (Vbatt) = 24 V 6) Voltage drop (Vd) = 2 × L × I × ρ / A = 2 × 10 × 9.6 × 0.0183 / 10 = 3.68 V 7) Voltage drop (%) = (Vd / Vbatt) × 100

Author
Hamza Ayaz
Language
EN