Feeder Protection: 1a. Explain abnormalities and list different types of Faults. 1b. Time Graded Over Current Protection on transmission line. 2a. Construction and working of Differential Pilot – Wire Protection. 2b. Discuss Basic principle of Distance Protection.Bus–Bar Protection: 3a. Explain Abnormalities & List different types of Faults. 3b. Construction and working of Differential Protection of Bus -Bars.