Find the steady state power limit of a system consisting of

Find the steady state power limit of a system consisting of a generator with reactance of 0.6 pu connected to an infinite bus through a reactance of 0.8 pu. The terminal voltage of the generator is 1.15 pu and the volatge of the infinite bus is 1 pu.

Solution

Steady state power limit=(E*V)/X

X=reactance of the total system=0.8+0.6=1.4pu

V=voltage of the infinite bus=1pu

E=terminal voltage of the generator=1.15pu

Steady state power limit=(1.15*1)/1.4=0.8214w