A 3-ϕ Y connected balanced load has balanced currents with RYB sequence given by:
\(\left[ {\begin{array}{*{20}{c}} {{I_{R}}}\\ {{I_{Y}}}\\ {{I_{B}}} \end{array}} \right] = \left[ {\begin{array}{*{20}{c}} {10\angle 0^\circ }\\ {10 \angle - 120^\circ }\\ {10\angle + 120^\circ } \end{array}} \right]\)
Calculate the zero-sequence current I0.
1
20 A
2
50 A
3
10 A
4
0 A