In a 3-phase ac power transmission system using synchronous generation
The steady state power limits of both round rotor and salient pole
machines are reached at 
of their respective
power angle characteristics.
The
steady state power limit of round rotor machines occurs at a much smaller pole
machine power angle characteristic.
The steady state power limit of salient pole machines occurs at smaller
angle 8 as compared to that of round rotor machine power angle characteristic.
The
transient state power limits of synchronous generators do not depend on initial
load just before the large change in load or on 3-phase fault.
The steady state power limit of salient pole machines occurs at smaller
angle 8 as compared to that of round rotor machine power angle characteristic.
Steady state stability limit of a particular circuit of a power system is defined as the maximum power that can be transmitted to receiving end without loss of synchronism.
Steady
state power limit for salient pole machine occurs at smaller load angle.
Hence,
the correct option is (C).
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