Q$1.$ In a balanced three$-$phase $Y-$ system, the source has an ABC phase sequ$$nce and $V_{AN}=\frac{100}{{?}_{33}}Vrms.$ The line and load impedances are $Z_1=R_1+j{x}_1=0\mathrm{.}6+j1\mathrm{.}5$ and $Z_{ab}=R_{ab}+j{x}_{ab}=58+j18,$ respectively.

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$($a$)$ Find the magnitude of the delta current $I_{ab},I_{bc},$ or $I_{ca}$ at the load:

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Incorrect. Tries $\frac{1}{11}$ Previous Tries

$($b$)$ Find the phase angle of the delta current $I_{ab}$ at the load;

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Submit Answer $$ Tries $\frac{1}{8}$ Previous Tries

$($c$)$ Find the phase angle of the delta current $I_{bc}$ at the load;

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Tries $0/8$