A $\backslash (380\backslash$mathrm$\{$~V$\},50\backslash$mathrm$\{$~Hz$\}\backslash )-\backslash (\backslash$Delta $\backslash )-$connected, eight poles synchronous generator has the OCC given in tabular form below, The generator has a per$-$phase synchronous reactance of $0\mathrm{.}205$ n $,$ and negligible armature resistance. At full$-$load, the machine supplies is $\backslash (=690\backslash$mathrm$\{$~A$\}\backslash )$ armature current at $0\mathrm{.}85$ PF lagging. The generator has friction and windage losses of $40$ KW and core losses of $30$ KW at fullloadi ignore stray fosses, and any field circuit losses.

$1-$How much field current must be supplied to the generator to make the terminal voltage $380$ V at no$-$load $\backslash (\backslash$mathrm$\{$Ir$\}=\backslash )$ A

$2-$To make the terminal voltage $380$ V at full$-$load. The internal generated voltage of this generator will be $\backslash (=\backslash )$

V $.$ with a torque angle $\backslash (=\backslash )$ degree, and the field current that must be supplied to the generator $=$ A

$3-$The output power supplied by this generator at full$-$load $=$ KW

$4-$The shaft torque must be applied by the prime mover at full$-$load$=$ Nm

$5-$The maximum power that can be supplied by this generator $=$ MW