Question

A PVC insulted 5x16 mm2 aluminum cable is installed between the main panel and the submain panel. The cable length is 100m and the resistivity is ρ=0.03 Ω. mm2 /m. The line currents have 1200 phase difference and their magnitudes are 20A, 25A and 30A. a) Calculate the magnitude and the phase angle of the neutral current. b) Calculate the power loss on the neutral line.

Answer 1