In a 3-phase delta-connected balanced load, the line current I_L is equal to:
A3 * I_ph
Bsqrt(3) * I_ph
CI_ph / sqrt(3)
DI_ph
Explanation
In delta connection, Line Voltage equals Phase Voltage, but Line Current is sqrt(3) times Phase Current (I_L = sqrt(3) * I_ph).

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