X$1=0\mathrm{.}4$ pu $,$ X$2=$ inf, X$3=0\mathrm{.}4$ pu$,$ E$\text{'}=1\mathrm{.}5310$ pu$,$ delta$0=0\mathrm{.}5808$ rad, deltac $=1\mathrm{.}3178,$ rad, tc $=0\mathrm{.}2533$ sec

X$1=0\mathrm{.}7$ pu $,$ X$2=$ inf, X$3=0\mathrm{.}7$ pu$,$ E$\text{'}=1\mathrm{.}5310$ pu$,$ delta$0=0\mathrm{.}5808$ rad, deltac $=1\mathrm{.}3178$ rad, tc $=0\mathrm{.}2533$ sec

X$1=0\mathrm{.}7$ pu$,$ X$2=0\mathrm{.}45$ pu$,$ X$3=0\mathrm{.}7$ pu$,$ E$\text{'}=1\mathrm{.}5310$ pu$,$ delta$0=0\mathrm{.}5808$ rad, deltac $=1\mathrm{.}3178$ rad, tc $=0\mathrm{.}2533$ sec

X$1=0\mathrm{.}7$ pu$,$ X$2=$ inf, X$3=0\mathrm{.}45$ pu$,$ E$\text{'}=1\mathrm{.}5310$ pu$,$ delta$0=0\mathrm{.}5808$ rad, deltac $=1\mathrm{.}3178$ rad, tc $=0\mathrm{.}2533$ sec

If a solid permanent fault occurs in the middle of one of$$ the lines, what would be the maximum transferrable power to the infinite bus after the fault has been cleared by opening the faulted line?

Group of answer choices

$0\mathrm{.}7754$ pu

$2\mathrm{.}1251$ pu

$1\mathrm{.}6876$ pu

$0$