A generator operating at 50 Hz delivers 1 pu power to an infinite busbar through a network with negligible resistance. The maximum transferrable power at pre-fault condition is 2.0 pu. a) Calculate the load angle at steady state b) A fault occurs the power which reduces the maximum power transferrable. After the clearance of the fault the power rises to 1.5 pu. Calculate the following: i) load angle after the fault has been cleared ii) critical clearing angle iii) critical clearing load angle and iiii) area of acceleration v) area of deceleration c) Comment on your answers to iv) and v)